The effects of a 25% discount on fruits and vegetables: results of a randomized trial in a three-dimensional web-based supermarket

<p<Abstract</p< <p<Background</p< <p<Lowering the price of fruit and vegetables is a promising strategy in stimulating the purchase of those foods. However, the true effects of this strategy are not well studied and it is unclear how the money saved is spent. The aim of this study is to examine the effects of a 25% discount on fruits and vegetables on food purchases in a supermarket environment.</p< <p<Methods</p< <p<A randomized controlled trial with two research conditions was conducted: a control condition with regular prices (n = 52) and an experimental condition with a 25% discount on fruits and vegetables (n = 63). The experiment was carried out using a three-dimensional web-based supermarket, which is a software application in the image of a real supermarket. Data were collected in 2010 in the Netherlands. Participants received a fixed budget and were asked to buy weekly household groceries at the web-based supermarket. Differences in fruit and vegetable purchases, differences in expenditures in other food categories and differences in total calories were analyzed using independent samples t-tests and multiple linear regression models accounting for potential effect modifiers and confounders.</p< <p<Results</p< <p<The purchased amount of fruit plus vegetables was significantly higher in the experimental condition compared to the control condition (Δ984 g per household per week, <it<p </it<= .03) after appropriate adjustments. This corresponds to a 25% difference compared to the control group. Both groups had similar expenditures in unhealthier food categories, including desserts, soda, crisps, candy and chocolate. Furthermore, both groups purchased an equal number of food items and an equal amount of calories, indicating that participants in the discount condition did not spend the money they saved from the discounts on other foods than fruits and vegetables.</p< <p<Conclusion</p< <p<A 25% discount on fruits and vegetables was effective in stimulating purchases of those products and did neither lead to higher expenditures in unhealthier food categories nor to higher total calories purchased. Future studies in real supermarkets need to confirm these findings.</p< Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Waterlander Wilma E [verfasserIn] Steenhuis Ingrid HM [verfasserIn] de Boer Michiel R [verfasserIn] Schuit Albertine J [verfasserIn] Seidell Jacob C [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2012

Schlagwörter:	Food prices Pricing strategies Randomized controlled trial Pricing intervention Fruits and vegetables Virtual supermarket

Übergeordnetes Werk:	In: International Journal of Behavioral Nutrition and Physical Activity - BMC, 2004, 9(2012), 1, p 11
Übergeordnetes Werk:	volume:9 ; year:2012 ; number:1, p 11

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1186/1479-5868-9-11

Katalog-ID:	DOAJ041879619

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allfields	10.1186/1479-5868-9-11 doi (DE-627)DOAJ041879619 (DE-599)DOAJ9ac95d6c16804b42a96a406af68ebfe4 DE-627 ger DE-627 rakwb eng RC620-627 RA1-1270 Waterlander Wilma E verfasserin aut The effects of a 25% discount on fruits and vegetables: results of a randomized trial in a three-dimensional web-based supermarket 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Abstract</p< <p<Background</p< <p<Lowering the price of fruit and vegetables is a promising strategy in stimulating the purchase of those foods. However, the true effects of this strategy are not well studied and it is unclear how the money saved is spent. The aim of this study is to examine the effects of a 25% discount on fruits and vegetables on food purchases in a supermarket environment.</p< <p<Methods</p< <p<A randomized controlled trial with two research conditions was conducted: a control condition with regular prices (n = 52) and an experimental condition with a 25% discount on fruits and vegetables (n = 63). The experiment was carried out using a three-dimensional web-based supermarket, which is a software application in the image of a real supermarket. Data were collected in 2010 in the Netherlands. Participants received a fixed budget and were asked to buy weekly household groceries at the web-based supermarket. Differences in fruit and vegetable purchases, differences in expenditures in other food categories and differences in total calories were analyzed using independent samples t-tests and multiple linear regression models accounting for potential effect modifiers and confounders.</p< <p<Results</p< <p<The purchased amount of fruit plus vegetables was significantly higher in the experimental condition compared to the control condition (Δ984 g per household per week, <it<p </it<= .03) after appropriate adjustments. This corresponds to a 25% difference compared to the control group. Both groups had similar expenditures in unhealthier food categories, including desserts, soda, crisps, candy and chocolate. Furthermore, both groups purchased an equal number of food items and an equal amount of calories, indicating that participants in the discount condition did not spend the money they saved from the discounts on other foods than fruits and vegetables.</p< <p<Conclusion</p< <p<A 25% discount on fruits and vegetables was effective in stimulating purchases of those products and did neither lead to higher expenditures in unhealthier food categories nor to higher total calories purchased. Future studies in real supermarkets need to confirm these findings.</p< Food prices Pricing strategies Randomized controlled trial Pricing intervention Fruits and vegetables Virtual supermarket Nutritional diseases. Deficiency diseases Public aspects of medicine Steenhuis Ingrid HM verfasserin aut de Boer Michiel R verfasserin aut Schuit Albertine J verfasserin aut Seidell Jacob C verfasserin aut In International Journal of Behavioral Nutrition and Physical Activity BMC, 2004 9(2012), 1, p 11 (DE-627)378572342 (DE-600)2134691-4 14795868 nnns volume:9 year:2012 number:1, p 11 https://doi.org/10.1186/1479-5868-9-11 kostenfrei https://doaj.org/article/9ac95d6c16804b42a96a406af68ebfe4 kostenfrei http://www.ijbnpa.org/content/9/1/11 kostenfrei https://doaj.org/toc/1479-5868 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4598 GBV_ILN_4700 AR 9 2012 1, p 11
spelling	10.1186/1479-5868-9-11 doi (DE-627)DOAJ041879619 (DE-599)DOAJ9ac95d6c16804b42a96a406af68ebfe4 DE-627 ger DE-627 rakwb eng RC620-627 RA1-1270 Waterlander Wilma E verfasserin aut The effects of a 25% discount on fruits and vegetables: results of a randomized trial in a three-dimensional web-based supermarket 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Abstract</p< <p<Background</p< <p<Lowering the price of fruit and vegetables is a promising strategy in stimulating the purchase of those foods. However, the true effects of this strategy are not well studied and it is unclear how the money saved is spent. The aim of this study is to examine the effects of a 25% discount on fruits and vegetables on food purchases in a supermarket environment.</p< <p<Methods</p< <p<A randomized controlled trial with two research conditions was conducted: a control condition with regular prices (n = 52) and an experimental condition with a 25% discount on fruits and vegetables (n = 63). The experiment was carried out using a three-dimensional web-based supermarket, which is a software application in the image of a real supermarket. Data were collected in 2010 in the Netherlands. Participants received a fixed budget and were asked to buy weekly household groceries at the web-based supermarket. Differences in fruit and vegetable purchases, differences in expenditures in other food categories and differences in total calories were analyzed using independent samples t-tests and multiple linear regression models accounting for potential effect modifiers and confounders.</p< <p<Results</p< <p<The purchased amount of fruit plus vegetables was significantly higher in the experimental condition compared to the control condition (Δ984 g per household per week, <it<p </it<= .03) after appropriate adjustments. This corresponds to a 25% difference compared to the control group. Both groups had similar expenditures in unhealthier food categories, including desserts, soda, crisps, candy and chocolate. Furthermore, both groups purchased an equal number of food items and an equal amount of calories, indicating that participants in the discount condition did not spend the money they saved from the discounts on other foods than fruits and vegetables.</p< <p<Conclusion</p< <p<A 25% discount on fruits and vegetables was effective in stimulating purchases of those products and did neither lead to higher expenditures in unhealthier food categories nor to higher total calories purchased. Future studies in real supermarkets need to confirm these findings.</p< Food prices Pricing strategies Randomized controlled trial Pricing intervention Fruits and vegetables Virtual supermarket Nutritional diseases. Deficiency diseases Public aspects of medicine Steenhuis Ingrid HM verfasserin aut de Boer Michiel R verfasserin aut Schuit Albertine J verfasserin aut Seidell Jacob C verfasserin aut In International Journal of Behavioral Nutrition and Physical Activity BMC, 2004 9(2012), 1, p 11 (DE-627)378572342 (DE-600)2134691-4 14795868 nnns volume:9 year:2012 number:1, p 11 https://doi.org/10.1186/1479-5868-9-11 kostenfrei https://doaj.org/article/9ac95d6c16804b42a96a406af68ebfe4 kostenfrei http://www.ijbnpa.org/content/9/1/11 kostenfrei https://doaj.org/toc/1479-5868 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4598 GBV_ILN_4700 AR 9 2012 1, p 11
allfields_unstemmed	10.1186/1479-5868-9-11 doi (DE-627)DOAJ041879619 (DE-599)DOAJ9ac95d6c16804b42a96a406af68ebfe4 DE-627 ger DE-627 rakwb eng RC620-627 RA1-1270 Waterlander Wilma E verfasserin aut The effects of a 25% discount on fruits and vegetables: results of a randomized trial in a three-dimensional web-based supermarket 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Abstract</p< <p<Background</p< <p<Lowering the price of fruit and vegetables is a promising strategy in stimulating the purchase of those foods. However, the true effects of this strategy are not well studied and it is unclear how the money saved is spent. The aim of this study is to examine the effects of a 25% discount on fruits and vegetables on food purchases in a supermarket environment.</p< <p<Methods</p< <p<A randomized controlled trial with two research conditions was conducted: a control condition with regular prices (n = 52) and an experimental condition with a 25% discount on fruits and vegetables (n = 63). The experiment was carried out using a three-dimensional web-based supermarket, which is a software application in the image of a real supermarket. Data were collected in 2010 in the Netherlands. Participants received a fixed budget and were asked to buy weekly household groceries at the web-based supermarket. Differences in fruit and vegetable purchases, differences in expenditures in other food categories and differences in total calories were analyzed using independent samples t-tests and multiple linear regression models accounting for potential effect modifiers and confounders.</p< <p<Results</p< <p<The purchased amount of fruit plus vegetables was significantly higher in the experimental condition compared to the control condition (Δ984 g per household per week, <it<p </it<= .03) after appropriate adjustments. This corresponds to a 25% difference compared to the control group. Both groups had similar expenditures in unhealthier food categories, including desserts, soda, crisps, candy and chocolate. Furthermore, both groups purchased an equal number of food items and an equal amount of calories, indicating that participants in the discount condition did not spend the money they saved from the discounts on other foods than fruits and vegetables.</p< <p<Conclusion</p< <p<A 25% discount on fruits and vegetables was effective in stimulating purchases of those products and did neither lead to higher expenditures in unhealthier food categories nor to higher total calories purchased. Future studies in real supermarkets need to confirm these findings.</p< Food prices Pricing strategies Randomized controlled trial Pricing intervention Fruits and vegetables Virtual supermarket Nutritional diseases. Deficiency diseases Public aspects of medicine Steenhuis Ingrid HM verfasserin aut de Boer Michiel R verfasserin aut Schuit Albertine J verfasserin aut Seidell Jacob C verfasserin aut In International Journal of Behavioral Nutrition and Physical Activity BMC, 2004 9(2012), 1, p 11 (DE-627)378572342 (DE-600)2134691-4 14795868 nnns volume:9 year:2012 number:1, p 11 https://doi.org/10.1186/1479-5868-9-11 kostenfrei https://doaj.org/article/9ac95d6c16804b42a96a406af68ebfe4 kostenfrei http://www.ijbnpa.org/content/9/1/11 kostenfrei https://doaj.org/toc/1479-5868 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4598 GBV_ILN_4700 AR 9 2012 1, p 11
allfieldsGer	10.1186/1479-5868-9-11 doi (DE-627)DOAJ041879619 (DE-599)DOAJ9ac95d6c16804b42a96a406af68ebfe4 DE-627 ger DE-627 rakwb eng RC620-627 RA1-1270 Waterlander Wilma E verfasserin aut The effects of a 25% discount on fruits and vegetables: results of a randomized trial in a three-dimensional web-based supermarket 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Abstract</p< <p<Background</p< <p<Lowering the price of fruit and vegetables is a promising strategy in stimulating the purchase of those foods. However, the true effects of this strategy are not well studied and it is unclear how the money saved is spent. The aim of this study is to examine the effects of a 25% discount on fruits and vegetables on food purchases in a supermarket environment.</p< <p<Methods</p< <p<A randomized controlled trial with two research conditions was conducted: a control condition with regular prices (n = 52) and an experimental condition with a 25% discount on fruits and vegetables (n = 63). The experiment was carried out using a three-dimensional web-based supermarket, which is a software application in the image of a real supermarket. Data were collected in 2010 in the Netherlands. Participants received a fixed budget and were asked to buy weekly household groceries at the web-based supermarket. Differences in fruit and vegetable purchases, differences in expenditures in other food categories and differences in total calories were analyzed using independent samples t-tests and multiple linear regression models accounting for potential effect modifiers and confounders.</p< <p<Results</p< <p<The purchased amount of fruit plus vegetables was significantly higher in the experimental condition compared to the control condition (Δ984 g per household per week, <it<p </it<= .03) after appropriate adjustments. This corresponds to a 25% difference compared to the control group. Both groups had similar expenditures in unhealthier food categories, including desserts, soda, crisps, candy and chocolate. Furthermore, both groups purchased an equal number of food items and an equal amount of calories, indicating that participants in the discount condition did not spend the money they saved from the discounts on other foods than fruits and vegetables.</p< <p<Conclusion</p< <p<A 25% discount on fruits and vegetables was effective in stimulating purchases of those products and did neither lead to higher expenditures in unhealthier food categories nor to higher total calories purchased. Future studies in real supermarkets need to confirm these findings.</p< Food prices Pricing strategies Randomized controlled trial Pricing intervention Fruits and vegetables Virtual supermarket Nutritional diseases. Deficiency diseases Public aspects of medicine Steenhuis Ingrid HM verfasserin aut de Boer Michiel R verfasserin aut Schuit Albertine J verfasserin aut Seidell Jacob C verfasserin aut In International Journal of Behavioral Nutrition and Physical Activity BMC, 2004 9(2012), 1, p 11 (DE-627)378572342 (DE-600)2134691-4 14795868 nnns volume:9 year:2012 number:1, p 11 https://doi.org/10.1186/1479-5868-9-11 kostenfrei https://doaj.org/article/9ac95d6c16804b42a96a406af68ebfe4 kostenfrei http://www.ijbnpa.org/content/9/1/11 kostenfrei https://doaj.org/toc/1479-5868 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4598 GBV_ILN_4700 AR 9 2012 1, p 11
allfieldsSound	10.1186/1479-5868-9-11 doi (DE-627)DOAJ041879619 (DE-599)DOAJ9ac95d6c16804b42a96a406af68ebfe4 DE-627 ger DE-627 rakwb eng RC620-627 RA1-1270 Waterlander Wilma E verfasserin aut The effects of a 25% discount on fruits and vegetables: results of a randomized trial in a three-dimensional web-based supermarket 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Abstract</p< <p<Background</p< <p<Lowering the price of fruit and vegetables is a promising strategy in stimulating the purchase of those foods. However, the true effects of this strategy are not well studied and it is unclear how the money saved is spent. The aim of this study is to examine the effects of a 25% discount on fruits and vegetables on food purchases in a supermarket environment.</p< <p<Methods</p< <p<A randomized controlled trial with two research conditions was conducted: a control condition with regular prices (n = 52) and an experimental condition with a 25% discount on fruits and vegetables (n = 63). The experiment was carried out using a three-dimensional web-based supermarket, which is a software application in the image of a real supermarket. Data were collected in 2010 in the Netherlands. Participants received a fixed budget and were asked to buy weekly household groceries at the web-based supermarket. Differences in fruit and vegetable purchases, differences in expenditures in other food categories and differences in total calories were analyzed using independent samples t-tests and multiple linear regression models accounting for potential effect modifiers and confounders.</p< <p<Results</p< <p<The purchased amount of fruit plus vegetables was significantly higher in the experimental condition compared to the control condition (Δ984 g per household per week, <it<p </it<= .03) after appropriate adjustments. This corresponds to a 25% difference compared to the control group. Both groups had similar expenditures in unhealthier food categories, including desserts, soda, crisps, candy and chocolate. Furthermore, both groups purchased an equal number of food items and an equal amount of calories, indicating that participants in the discount condition did not spend the money they saved from the discounts on other foods than fruits and vegetables.</p< <p<Conclusion</p< <p<A 25% discount on fruits and vegetables was effective in stimulating purchases of those products and did neither lead to higher expenditures in unhealthier food categories nor to higher total calories purchased. Future studies in real supermarkets need to confirm these findings.</p< Food prices Pricing strategies Randomized controlled trial Pricing intervention Fruits and vegetables Virtual supermarket Nutritional diseases. Deficiency diseases Public aspects of medicine Steenhuis Ingrid HM verfasserin aut de Boer Michiel R verfasserin aut Schuit Albertine J verfasserin aut Seidell Jacob C verfasserin aut In International Journal of Behavioral Nutrition and Physical Activity BMC, 2004 9(2012), 1, p 11 (DE-627)378572342 (DE-600)2134691-4 14795868 nnns volume:9 year:2012 number:1, p 11 https://doi.org/10.1186/1479-5868-9-11 kostenfrei https://doaj.org/article/9ac95d6c16804b42a96a406af68ebfe4 kostenfrei http://www.ijbnpa.org/content/9/1/11 kostenfrei https://doaj.org/toc/1479-5868 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4598 GBV_ILN_4700 AR 9 2012 1, p 11
language	English
source	In International Journal of Behavioral Nutrition and Physical Activity 9(2012), 1, p 11 volume:9 year:2012 number:1, p 11
sourceStr	In International Journal of Behavioral Nutrition and Physical Activity 9(2012), 1, p 11 volume:9 year:2012 number:1, p 11
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Food prices Pricing strategies Randomized controlled trial Pricing intervention Fruits and vegetables Virtual supermarket Nutritional diseases. Deficiency diseases Public aspects of medicine
isfreeaccess_bool	true
container_title	International Journal of Behavioral Nutrition and Physical Activity
authorswithroles_txt_mv	Waterlander Wilma E @@aut@@ Steenhuis Ingrid HM @@aut@@ de Boer Michiel R @@aut@@ Schuit Albertine J @@aut@@ Seidell Jacob C @@aut@@
publishDateDaySort_date	2012-01-01T00:00:00Z
hierarchy_top_id	378572342
id	DOAJ041879619
language_de	englisch
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However, the true effects of this strategy are not well studied and it is unclear how the money saved is spent. The aim of this study is to examine the effects of a 25% discount on fruits and vegetables on food purchases in a supermarket environment.</p< <p<Methods</p< <p<A randomized controlled trial with two research conditions was conducted: a control condition with regular prices (n = 52) and an experimental condition with a 25% discount on fruits and vegetables (n = 63). The experiment was carried out using a three-dimensional web-based supermarket, which is a software application in the image of a real supermarket. Data were collected in 2010 in the Netherlands. Participants received a fixed budget and were asked to buy weekly household groceries at the web-based supermarket. Differences in fruit and vegetable purchases, differences in expenditures in other food categories and differences in total calories were analyzed using independent samples t-tests and multiple linear regression models accounting for potential effect modifiers and confounders.</p< <p<Results</p< <p<The purchased amount of fruit plus vegetables was significantly higher in the experimental condition compared to the control condition (Δ984 g per household per week, <it<p </it<= .03) after appropriate adjustments. This corresponds to a 25% difference compared to the control group. Both groups had similar expenditures in unhealthier food categories, including desserts, soda, crisps, candy and chocolate. 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callnumber-first	R - Medicine
author	Waterlander Wilma E
spellingShingle	Waterlander Wilma E misc RC620-627 misc RA1-1270 misc Food prices misc Pricing strategies misc Randomized controlled trial misc Pricing intervention misc Fruits and vegetables misc Virtual supermarket misc Nutritional diseases. Deficiency diseases misc Public aspects of medicine The effects of a 25% discount on fruits and vegetables: results of a randomized trial in a three-dimensional web-based supermarket
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topic_title	RC620-627 RA1-1270 The effects of a 25% discount on fruits and vegetables: results of a randomized trial in a three-dimensional web-based supermarket Food prices Pricing strategies Randomized controlled trial Pricing intervention Fruits and vegetables Virtual supermarket
topic	misc RC620-627 misc RA1-1270 misc Food prices misc Pricing strategies misc Randomized controlled trial misc Pricing intervention misc Fruits and vegetables misc Virtual supermarket misc Nutritional diseases. Deficiency diseases misc Public aspects of medicine
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title	The effects of a 25% discount on fruits and vegetables: results of a randomized trial in a three-dimensional web-based supermarket
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title_full	The effects of a 25% discount on fruits and vegetables: results of a randomized trial in a three-dimensional web-based supermarket
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author_browse	Waterlander Wilma E Steenhuis Ingrid HM de Boer Michiel R Schuit Albertine J Seidell Jacob C
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title_sort	effects of a 25% discount on fruits and vegetables: results of a randomized trial in a three-dimensional web-based supermarket
callnumber	RC620-627
title_auth	The effects of a 25% discount on fruits and vegetables: results of a randomized trial in a three-dimensional web-based supermarket
abstract	<p<Abstract</p< <p<Background</p< <p<Lowering the price of fruit and vegetables is a promising strategy in stimulating the purchase of those foods. However, the true effects of this strategy are not well studied and it is unclear how the money saved is spent. The aim of this study is to examine the effects of a 25% discount on fruits and vegetables on food purchases in a supermarket environment.</p< <p<Methods</p< <p<A randomized controlled trial with two research conditions was conducted: a control condition with regular prices (n = 52) and an experimental condition with a 25% discount on fruits and vegetables (n = 63). The experiment was carried out using a three-dimensional web-based supermarket, which is a software application in the image of a real supermarket. Data were collected in 2010 in the Netherlands. Participants received a fixed budget and were asked to buy weekly household groceries at the web-based supermarket. Differences in fruit and vegetable purchases, differences in expenditures in other food categories and differences in total calories were analyzed using independent samples t-tests and multiple linear regression models accounting for potential effect modifiers and confounders.</p< <p<Results</p< <p<The purchased amount of fruit plus vegetables was significantly higher in the experimental condition compared to the control condition (Δ984 g per household per week, <it<p </it<= .03) after appropriate adjustments. This corresponds to a 25% difference compared to the control group. Both groups had similar expenditures in unhealthier food categories, including desserts, soda, crisps, candy and chocolate. Furthermore, both groups purchased an equal number of food items and an equal amount of calories, indicating that participants in the discount condition did not spend the money they saved from the discounts on other foods than fruits and vegetables.</p< <p<Conclusion</p< <p<A 25% discount on fruits and vegetables was effective in stimulating purchases of those products and did neither lead to higher expenditures in unhealthier food categories nor to higher total calories purchased. Future studies in real supermarkets need to confirm these findings.</p<
abstractGer	<p<Abstract</p< <p<Background</p< <p<Lowering the price of fruit and vegetables is a promising strategy in stimulating the purchase of those foods. However, the true effects of this strategy are not well studied and it is unclear how the money saved is spent. The aim of this study is to examine the effects of a 25% discount on fruits and vegetables on food purchases in a supermarket environment.</p< <p<Methods</p< <p<A randomized controlled trial with two research conditions was conducted: a control condition with regular prices (n = 52) and an experimental condition with a 25% discount on fruits and vegetables (n = 63). The experiment was carried out using a three-dimensional web-based supermarket, which is a software application in the image of a real supermarket. Data were collected in 2010 in the Netherlands. Participants received a fixed budget and were asked to buy weekly household groceries at the web-based supermarket. Differences in fruit and vegetable purchases, differences in expenditures in other food categories and differences in total calories were analyzed using independent samples t-tests and multiple linear regression models accounting for potential effect modifiers and confounders.</p< <p<Results</p< <p<The purchased amount of fruit plus vegetables was significantly higher in the experimental condition compared to the control condition (Δ984 g per household per week, <it<p </it<= .03) after appropriate adjustments. This corresponds to a 25% difference compared to the control group. Both groups had similar expenditures in unhealthier food categories, including desserts, soda, crisps, candy and chocolate. Furthermore, both groups purchased an equal number of food items and an equal amount of calories, indicating that participants in the discount condition did not spend the money they saved from the discounts on other foods than fruits and vegetables.</p< <p<Conclusion</p< <p<A 25% discount on fruits and vegetables was effective in stimulating purchases of those products and did neither lead to higher expenditures in unhealthier food categories nor to higher total calories purchased. Future studies in real supermarkets need to confirm these findings.</p<
abstract_unstemmed	<p<Abstract</p< <p<Background</p< <p<Lowering the price of fruit and vegetables is a promising strategy in stimulating the purchase of those foods. However, the true effects of this strategy are not well studied and it is unclear how the money saved is spent. The aim of this study is to examine the effects of a 25% discount on fruits and vegetables on food purchases in a supermarket environment.</p< <p<Methods</p< <p<A randomized controlled trial with two research conditions was conducted: a control condition with regular prices (n = 52) and an experimental condition with a 25% discount on fruits and vegetables (n = 63). The experiment was carried out using a three-dimensional web-based supermarket, which is a software application in the image of a real supermarket. Data were collected in 2010 in the Netherlands. Participants received a fixed budget and were asked to buy weekly household groceries at the web-based supermarket. Differences in fruit and vegetable purchases, differences in expenditures in other food categories and differences in total calories were analyzed using independent samples t-tests and multiple linear regression models accounting for potential effect modifiers and confounders.</p< <p<Results</p< <p<The purchased amount of fruit plus vegetables was significantly higher in the experimental condition compared to the control condition (Δ984 g per household per week, <it<p </it<= .03) after appropriate adjustments. This corresponds to a 25% difference compared to the control group. Both groups had similar expenditures in unhealthier food categories, including desserts, soda, crisps, candy and chocolate. Furthermore, both groups purchased an equal number of food items and an equal amount of calories, indicating that participants in the discount condition did not spend the money they saved from the discounts on other foods than fruits and vegetables.</p< <p<Conclusion</p< <p<A 25% discount on fruits and vegetables was effective in stimulating purchases of those products and did neither lead to higher expenditures in unhealthier food categories nor to higher total calories purchased. Future studies in real supermarkets need to confirm these findings.</p<
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title_short	The effects of a 25% discount on fruits and vegetables: results of a randomized trial in a three-dimensional web-based supermarket
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