Construct validity and factor structure of the Kessler-10 in South Africa

Abstract Background The Kessler Psychological Distress Scale (K-10) is a short screening tool developed to identify, with good sensitivity, non-specific psychological distress in the general population. Sensitivity and specificity of the K-10 have been examined in various clinical populations in South Africa; however, other psychometric properties, such as construct validity and factor structure, have not been evaluated. We present evidence of the prevalence and severity of psychological distress in an outpatient setting in South Africa and evaluate the internal reliability, construct validity, and factor structure of the K-10 in this population. Methods We explored prevalence estimates of psychological distress using previously established cutoffs and assessed the reliability (consistency) of the K-10 by calculating Cronbach’s alpha, item-total correlations and omega total and hierarchical coefficients. Construct validity and factor structure of the K-10 were examined through split-sample exploratory factor analysis (EFA) followed by confirmatory factor analysis (CFA), comparing several theoretical models and the EFA. Results Overall, there was low prevalence of psychological distress in our sample of 2591 adults, the majority of whom were between the ages of 18–44 (77.7%). The K-10 showed good construct validity and reliability, with a Cronbach’s alpha of 0.84 and omega total of 0.88. EFA yielded a four-factor solution with likely measurement artifacts. CFA showed that the four-factor model from EFA displayed the best comparative fit indices, but was likely overfitted. The unidimensional model with correlated errors was deemed the best fitting model based on fit indices, prior theory, and previous studies. Conclusion The K-10 displays adequate psychometric properties, good internal reliability, and good fit with a unidimensional-factor structure with correlated errors. Further work is required to determine appropriate cutoff values in different populations and clinical subgroups within South Africa to aid in determining the K-10’s clinical utility. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Jacob Hoffman [verfasserIn] Qhama Cossie [verfasserIn] Amantia A. Ametaj [verfasserIn] Hannah H. Kim [verfasserIn] Roxanne James [verfasserIn] Rocky E. Stroud [verfasserIn] Anne Stevenson [verfasserIn] Zukiswa Zingela [verfasserIn] Dan J. Stein [verfasserIn] Bizu Gelaye [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Factor analysis, statistical Prevalence Psychological distress Psychometrics South Africa Theoretical models

Übergeordnetes Werk:	In: BMC Psychology - BMC, 2014, 10(2022), 1, Seite 11
Übergeordnetes Werk:	volume:10 ; year:2022 ; number:1 ; pages:11

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1186/s40359-022-00883-9

Katalog-ID:	DOAJ041082710

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520			\|a Abstract Background The Kessler Psychological Distress Scale (K-10) is a short screening tool developed to identify, with good sensitivity, non-specific psychological distress in the general population. Sensitivity and specificity of the K-10 have been examined in various clinical populations in South Africa; however, other psychometric properties, such as construct validity and factor structure, have not been evaluated. We present evidence of the prevalence and severity of psychological distress in an outpatient setting in South Africa and evaluate the internal reliability, construct validity, and factor structure of the K-10 in this population. Methods We explored prevalence estimates of psychological distress using previously established cutoffs and assessed the reliability (consistency) of the K-10 by calculating Cronbach’s alpha, item-total correlations and omega total and hierarchical coefficients. Construct validity and factor structure of the K-10 were examined through split-sample exploratory factor analysis (EFA) followed by confirmatory factor analysis (CFA), comparing several theoretical models and the EFA. Results Overall, there was low prevalence of psychological distress in our sample of 2591 adults, the majority of whom were between the ages of 18–44 (77.7%). The K-10 showed good construct validity and reliability, with a Cronbach’s alpha of 0.84 and omega total of 0.88. EFA yielded a four-factor solution with likely measurement artifacts. CFA showed that the four-factor model from EFA displayed the best comparative fit indices, but was likely overfitted. The unidimensional model with correlated errors was deemed the best fitting model based on fit indices, prior theory, and previous studies. Conclusion The K-10 displays adequate psychometric properties, good internal reliability, and good fit with a unidimensional-factor structure with correlated errors. Further work is required to determine appropriate cutoff values in different populations and clinical subgroups within South Africa to aid in determining the K-10’s clinical utility.
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allfields	10.1186/s40359-022-00883-9 doi (DE-627)DOAJ041082710 (DE-599)DOAJ6839757c80d540aca07e087c6cfdd5bf DE-627 ger DE-627 rakwb eng BF1-990 Jacob Hoffman verfasserin aut Construct validity and factor structure of the Kessler-10 in South Africa 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Background The Kessler Psychological Distress Scale (K-10) is a short screening tool developed to identify, with good sensitivity, non-specific psychological distress in the general population. Sensitivity and specificity of the K-10 have been examined in various clinical populations in South Africa; however, other psychometric properties, such as construct validity and factor structure, have not been evaluated. We present evidence of the prevalence and severity of psychological distress in an outpatient setting in South Africa and evaluate the internal reliability, construct validity, and factor structure of the K-10 in this population. Methods We explored prevalence estimates of psychological distress using previously established cutoffs and assessed the reliability (consistency) of the K-10 by calculating Cronbach’s alpha, item-total correlations and omega total and hierarchical coefficients. Construct validity and factor structure of the K-10 were examined through split-sample exploratory factor analysis (EFA) followed by confirmatory factor analysis (CFA), comparing several theoretical models and the EFA. Results Overall, there was low prevalence of psychological distress in our sample of 2591 adults, the majority of whom were between the ages of 18–44 (77.7%). The K-10 showed good construct validity and reliability, with a Cronbach’s alpha of 0.84 and omega total of 0.88. EFA yielded a four-factor solution with likely measurement artifacts. CFA showed that the four-factor model from EFA displayed the best comparative fit indices, but was likely overfitted. The unidimensional model with correlated errors was deemed the best fitting model based on fit indices, prior theory, and previous studies. Conclusion The K-10 displays adequate psychometric properties, good internal reliability, and good fit with a unidimensional-factor structure with correlated errors. Further work is required to determine appropriate cutoff values in different populations and clinical subgroups within South Africa to aid in determining the K-10’s clinical utility. Factor analysis, statistical Prevalence Psychological distress Psychometrics South Africa Theoretical models Psychology Qhama Cossie verfasserin aut Amantia A. Ametaj verfasserin aut Hannah H. Kim verfasserin aut Roxanne James verfasserin aut Rocky E. Stroud verfasserin aut Anne Stevenson verfasserin aut Zukiswa Zingela verfasserin aut Dan J. Stein verfasserin aut Bizu Gelaye verfasserin aut In BMC Psychology BMC, 2014 10(2022), 1, Seite 11 (DE-627)737703946 (DE-600)2705921-2 20507283 nnns volume:10 year:2022 number:1 pages:11 https://doi.org/10.1186/s40359-022-00883-9 kostenfrei https://doaj.org/article/6839757c80d540aca07e087c6cfdd5bf kostenfrei https://doi.org/10.1186/s40359-022-00883-9 kostenfrei https://doaj.org/toc/2050-7283 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_2086 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_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 1 11
spelling	10.1186/s40359-022-00883-9 doi (DE-627)DOAJ041082710 (DE-599)DOAJ6839757c80d540aca07e087c6cfdd5bf DE-627 ger DE-627 rakwb eng BF1-990 Jacob Hoffman verfasserin aut Construct validity and factor structure of the Kessler-10 in South Africa 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Background The Kessler Psychological Distress Scale (K-10) is a short screening tool developed to identify, with good sensitivity, non-specific psychological distress in the general population. Sensitivity and specificity of the K-10 have been examined in various clinical populations in South Africa; however, other psychometric properties, such as construct validity and factor structure, have not been evaluated. We present evidence of the prevalence and severity of psychological distress in an outpatient setting in South Africa and evaluate the internal reliability, construct validity, and factor structure of the K-10 in this population. Methods We explored prevalence estimates of psychological distress using previously established cutoffs and assessed the reliability (consistency) of the K-10 by calculating Cronbach’s alpha, item-total correlations and omega total and hierarchical coefficients. Construct validity and factor structure of the K-10 were examined through split-sample exploratory factor analysis (EFA) followed by confirmatory factor analysis (CFA), comparing several theoretical models and the EFA. Results Overall, there was low prevalence of psychological distress in our sample of 2591 adults, the majority of whom were between the ages of 18–44 (77.7%). The K-10 showed good construct validity and reliability, with a Cronbach’s alpha of 0.84 and omega total of 0.88. EFA yielded a four-factor solution with likely measurement artifacts. CFA showed that the four-factor model from EFA displayed the best comparative fit indices, but was likely overfitted. The unidimensional model with correlated errors was deemed the best fitting model based on fit indices, prior theory, and previous studies. Conclusion The K-10 displays adequate psychometric properties, good internal reliability, and good fit with a unidimensional-factor structure with correlated errors. Further work is required to determine appropriate cutoff values in different populations and clinical subgroups within South Africa to aid in determining the K-10’s clinical utility. Factor analysis, statistical Prevalence Psychological distress Psychometrics South Africa Theoretical models Psychology Qhama Cossie verfasserin aut Amantia A. Ametaj verfasserin aut Hannah H. Kim verfasserin aut Roxanne James verfasserin aut Rocky E. Stroud verfasserin aut Anne Stevenson verfasserin aut Zukiswa Zingela verfasserin aut Dan J. Stein verfasserin aut Bizu Gelaye verfasserin aut In BMC Psychology BMC, 2014 10(2022), 1, Seite 11 (DE-627)737703946 (DE-600)2705921-2 20507283 nnns volume:10 year:2022 number:1 pages:11 https://doi.org/10.1186/s40359-022-00883-9 kostenfrei https://doaj.org/article/6839757c80d540aca07e087c6cfdd5bf kostenfrei https://doi.org/10.1186/s40359-022-00883-9 kostenfrei https://doaj.org/toc/2050-7283 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_2086 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_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 1 11
allfields_unstemmed	10.1186/s40359-022-00883-9 doi (DE-627)DOAJ041082710 (DE-599)DOAJ6839757c80d540aca07e087c6cfdd5bf DE-627 ger DE-627 rakwb eng BF1-990 Jacob Hoffman verfasserin aut Construct validity and factor structure of the Kessler-10 in South Africa 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Background The Kessler Psychological Distress Scale (K-10) is a short screening tool developed to identify, with good sensitivity, non-specific psychological distress in the general population. Sensitivity and specificity of the K-10 have been examined in various clinical populations in South Africa; however, other psychometric properties, such as construct validity and factor structure, have not been evaluated. We present evidence of the prevalence and severity of psychological distress in an outpatient setting in South Africa and evaluate the internal reliability, construct validity, and factor structure of the K-10 in this population. Methods We explored prevalence estimates of psychological distress using previously established cutoffs and assessed the reliability (consistency) of the K-10 by calculating Cronbach’s alpha, item-total correlations and omega total and hierarchical coefficients. Construct validity and factor structure of the K-10 were examined through split-sample exploratory factor analysis (EFA) followed by confirmatory factor analysis (CFA), comparing several theoretical models and the EFA. Results Overall, there was low prevalence of psychological distress in our sample of 2591 adults, the majority of whom were between the ages of 18–44 (77.7%). The K-10 showed good construct validity and reliability, with a Cronbach’s alpha of 0.84 and omega total of 0.88. EFA yielded a four-factor solution with likely measurement artifacts. CFA showed that the four-factor model from EFA displayed the best comparative fit indices, but was likely overfitted. The unidimensional model with correlated errors was deemed the best fitting model based on fit indices, prior theory, and previous studies. Conclusion The K-10 displays adequate psychometric properties, good internal reliability, and good fit with a unidimensional-factor structure with correlated errors. Further work is required to determine appropriate cutoff values in different populations and clinical subgroups within South Africa to aid in determining the K-10’s clinical utility. Factor analysis, statistical Prevalence Psychological distress Psychometrics South Africa Theoretical models Psychology Qhama Cossie verfasserin aut Amantia A. Ametaj verfasserin aut Hannah H. Kim verfasserin aut Roxanne James verfasserin aut Rocky E. Stroud verfasserin aut Anne Stevenson verfasserin aut Zukiswa Zingela verfasserin aut Dan J. Stein verfasserin aut Bizu Gelaye verfasserin aut In BMC Psychology BMC, 2014 10(2022), 1, Seite 11 (DE-627)737703946 (DE-600)2705921-2 20507283 nnns volume:10 year:2022 number:1 pages:11 https://doi.org/10.1186/s40359-022-00883-9 kostenfrei https://doaj.org/article/6839757c80d540aca07e087c6cfdd5bf kostenfrei https://doi.org/10.1186/s40359-022-00883-9 kostenfrei https://doaj.org/toc/2050-7283 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_2086 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_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 1 11
allfieldsGer	10.1186/s40359-022-00883-9 doi (DE-627)DOAJ041082710 (DE-599)DOAJ6839757c80d540aca07e087c6cfdd5bf DE-627 ger DE-627 rakwb eng BF1-990 Jacob Hoffman verfasserin aut Construct validity and factor structure of the Kessler-10 in South Africa 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Background The Kessler Psychological Distress Scale (K-10) is a short screening tool developed to identify, with good sensitivity, non-specific psychological distress in the general population. Sensitivity and specificity of the K-10 have been examined in various clinical populations in South Africa; however, other psychometric properties, such as construct validity and factor structure, have not been evaluated. We present evidence of the prevalence and severity of psychological distress in an outpatient setting in South Africa and evaluate the internal reliability, construct validity, and factor structure of the K-10 in this population. Methods We explored prevalence estimates of psychological distress using previously established cutoffs and assessed the reliability (consistency) of the K-10 by calculating Cronbach’s alpha, item-total correlations and omega total and hierarchical coefficients. Construct validity and factor structure of the K-10 were examined through split-sample exploratory factor analysis (EFA) followed by confirmatory factor analysis (CFA), comparing several theoretical models and the EFA. Results Overall, there was low prevalence of psychological distress in our sample of 2591 adults, the majority of whom were between the ages of 18–44 (77.7%). The K-10 showed good construct validity and reliability, with a Cronbach’s alpha of 0.84 and omega total of 0.88. EFA yielded a four-factor solution with likely measurement artifacts. CFA showed that the four-factor model from EFA displayed the best comparative fit indices, but was likely overfitted. The unidimensional model with correlated errors was deemed the best fitting model based on fit indices, prior theory, and previous studies. Conclusion The K-10 displays adequate psychometric properties, good internal reliability, and good fit with a unidimensional-factor structure with correlated errors. Further work is required to determine appropriate cutoff values in different populations and clinical subgroups within South Africa to aid in determining the K-10’s clinical utility. Factor analysis, statistical Prevalence Psychological distress Psychometrics South Africa Theoretical models Psychology Qhama Cossie verfasserin aut Amantia A. Ametaj verfasserin aut Hannah H. Kim verfasserin aut Roxanne James verfasserin aut Rocky E. Stroud verfasserin aut Anne Stevenson verfasserin aut Zukiswa Zingela verfasserin aut Dan J. Stein verfasserin aut Bizu Gelaye verfasserin aut In BMC Psychology BMC, 2014 10(2022), 1, Seite 11 (DE-627)737703946 (DE-600)2705921-2 20507283 nnns volume:10 year:2022 number:1 pages:11 https://doi.org/10.1186/s40359-022-00883-9 kostenfrei https://doaj.org/article/6839757c80d540aca07e087c6cfdd5bf kostenfrei https://doi.org/10.1186/s40359-022-00883-9 kostenfrei https://doaj.org/toc/2050-7283 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_2086 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_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 1 11
allfieldsSound	10.1186/s40359-022-00883-9 doi (DE-627)DOAJ041082710 (DE-599)DOAJ6839757c80d540aca07e087c6cfdd5bf DE-627 ger DE-627 rakwb eng BF1-990 Jacob Hoffman verfasserin aut Construct validity and factor structure of the Kessler-10 in South Africa 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Background The Kessler Psychological Distress Scale (K-10) is a short screening tool developed to identify, with good sensitivity, non-specific psychological distress in the general population. Sensitivity and specificity of the K-10 have been examined in various clinical populations in South Africa; however, other psychometric properties, such as construct validity and factor structure, have not been evaluated. We present evidence of the prevalence and severity of psychological distress in an outpatient setting in South Africa and evaluate the internal reliability, construct validity, and factor structure of the K-10 in this population. Methods We explored prevalence estimates of psychological distress using previously established cutoffs and assessed the reliability (consistency) of the K-10 by calculating Cronbach’s alpha, item-total correlations and omega total and hierarchical coefficients. Construct validity and factor structure of the K-10 were examined through split-sample exploratory factor analysis (EFA) followed by confirmatory factor analysis (CFA), comparing several theoretical models and the EFA. Results Overall, there was low prevalence of psychological distress in our sample of 2591 adults, the majority of whom were between the ages of 18–44 (77.7%). The K-10 showed good construct validity and reliability, with a Cronbach’s alpha of 0.84 and omega total of 0.88. EFA yielded a four-factor solution with likely measurement artifacts. CFA showed that the four-factor model from EFA displayed the best comparative fit indices, but was likely overfitted. The unidimensional model with correlated errors was deemed the best fitting model based on fit indices, prior theory, and previous studies. Conclusion The K-10 displays adequate psychometric properties, good internal reliability, and good fit with a unidimensional-factor structure with correlated errors. Further work is required to determine appropriate cutoff values in different populations and clinical subgroups within South Africa to aid in determining the K-10’s clinical utility. Factor analysis, statistical Prevalence Psychological distress Psychometrics South Africa Theoretical models Psychology Qhama Cossie verfasserin aut Amantia A. Ametaj verfasserin aut Hannah H. Kim verfasserin aut Roxanne James verfasserin aut Rocky E. Stroud verfasserin aut Anne Stevenson verfasserin aut Zukiswa Zingela verfasserin aut Dan J. Stein verfasserin aut Bizu Gelaye verfasserin aut In BMC Psychology BMC, 2014 10(2022), 1, Seite 11 (DE-627)737703946 (DE-600)2705921-2 20507283 nnns volume:10 year:2022 number:1 pages:11 https://doi.org/10.1186/s40359-022-00883-9 kostenfrei https://doaj.org/article/6839757c80d540aca07e087c6cfdd5bf kostenfrei https://doi.org/10.1186/s40359-022-00883-9 kostenfrei https://doaj.org/toc/2050-7283 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_2086 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_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 1 11
language	English
source	In BMC Psychology 10(2022), 1, Seite 11 volume:10 year:2022 number:1 pages:11
sourceStr	In BMC Psychology 10(2022), 1, Seite 11 volume:10 year:2022 number:1 pages:11
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Factor analysis, statistical Prevalence Psychological distress Psychometrics South Africa Theoretical models Psychology
isfreeaccess_bool	true
container_title	BMC Psychology
authorswithroles_txt_mv	Jacob Hoffman @@aut@@ Qhama Cossie @@aut@@ Amantia A. Ametaj @@aut@@ Hannah H. Kim @@aut@@ Roxanne James @@aut@@ Rocky E. Stroud @@aut@@ Anne Stevenson @@aut@@ Zukiswa Zingela @@aut@@ Dan J. Stein @@aut@@ Bizu Gelaye @@aut@@
publishDateDaySort_date	2022-01-01T00:00:00Z
hierarchy_top_id	737703946
id	DOAJ041082710
language_de	englisch
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callnumber-first	B - Philosophy, Psychology, Religion
author	Jacob Hoffman
spellingShingle	Jacob Hoffman misc BF1-990 misc Factor analysis, statistical misc Prevalence misc Psychological distress misc Psychometrics misc South Africa misc Theoretical models misc Psychology Construct validity and factor structure of the Kessler-10 in South Africa
authorStr	Jacob Hoffman
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topic_title	BF1-990 Construct validity and factor structure of the Kessler-10 in South Africa Factor analysis, statistical Prevalence Psychological distress Psychometrics South Africa Theoretical models
topic	misc BF1-990 misc Factor analysis, statistical misc Prevalence misc Psychological distress misc Psychometrics misc South Africa misc Theoretical models misc Psychology
topic_unstemmed	misc BF1-990 misc Factor analysis, statistical misc Prevalence misc Psychological distress misc Psychometrics misc South Africa misc Theoretical models misc Psychology
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title	Construct validity and factor structure of the Kessler-10 in South Africa
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title_full	Construct validity and factor structure of the Kessler-10 in South Africa
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author_browse	Jacob Hoffman Qhama Cossie Amantia A. Ametaj Hannah H. Kim Roxanne James Rocky E. Stroud Anne Stevenson Zukiswa Zingela Dan J. Stein Bizu Gelaye
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title_sort	construct validity and factor structure of the kessler-10 in south africa
callnumber	BF1-990
title_auth	Construct validity and factor structure of the Kessler-10 in South Africa
abstract	Abstract Background The Kessler Psychological Distress Scale (K-10) is a short screening tool developed to identify, with good sensitivity, non-specific psychological distress in the general population. Sensitivity and specificity of the K-10 have been examined in various clinical populations in South Africa; however, other psychometric properties, such as construct validity and factor structure, have not been evaluated. We present evidence of the prevalence and severity of psychological distress in an outpatient setting in South Africa and evaluate the internal reliability, construct validity, and factor structure of the K-10 in this population. Methods We explored prevalence estimates of psychological distress using previously established cutoffs and assessed the reliability (consistency) of the K-10 by calculating Cronbach’s alpha, item-total correlations and omega total and hierarchical coefficients. Construct validity and factor structure of the K-10 were examined through split-sample exploratory factor analysis (EFA) followed by confirmatory factor analysis (CFA), comparing several theoretical models and the EFA. Results Overall, there was low prevalence of psychological distress in our sample of 2591 adults, the majority of whom were between the ages of 18–44 (77.7%). The K-10 showed good construct validity and reliability, with a Cronbach’s alpha of 0.84 and omega total of 0.88. EFA yielded a four-factor solution with likely measurement artifacts. CFA showed that the four-factor model from EFA displayed the best comparative fit indices, but was likely overfitted. The unidimensional model with correlated errors was deemed the best fitting model based on fit indices, prior theory, and previous studies. Conclusion The K-10 displays adequate psychometric properties, good internal reliability, and good fit with a unidimensional-factor structure with correlated errors. Further work is required to determine appropriate cutoff values in different populations and clinical subgroups within South Africa to aid in determining the K-10’s clinical utility.
abstractGer	Abstract Background The Kessler Psychological Distress Scale (K-10) is a short screening tool developed to identify, with good sensitivity, non-specific psychological distress in the general population. Sensitivity and specificity of the K-10 have been examined in various clinical populations in South Africa; however, other psychometric properties, such as construct validity and factor structure, have not been evaluated. We present evidence of the prevalence and severity of psychological distress in an outpatient setting in South Africa and evaluate the internal reliability, construct validity, and factor structure of the K-10 in this population. Methods We explored prevalence estimates of psychological distress using previously established cutoffs and assessed the reliability (consistency) of the K-10 by calculating Cronbach’s alpha, item-total correlations and omega total and hierarchical coefficients. Construct validity and factor structure of the K-10 were examined through split-sample exploratory factor analysis (EFA) followed by confirmatory factor analysis (CFA), comparing several theoretical models and the EFA. Results Overall, there was low prevalence of psychological distress in our sample of 2591 adults, the majority of whom were between the ages of 18–44 (77.7%). The K-10 showed good construct validity and reliability, with a Cronbach’s alpha of 0.84 and omega total of 0.88. EFA yielded a four-factor solution with likely measurement artifacts. CFA showed that the four-factor model from EFA displayed the best comparative fit indices, but was likely overfitted. The unidimensional model with correlated errors was deemed the best fitting model based on fit indices, prior theory, and previous studies. Conclusion The K-10 displays adequate psychometric properties, good internal reliability, and good fit with a unidimensional-factor structure with correlated errors. Further work is required to determine appropriate cutoff values in different populations and clinical subgroups within South Africa to aid in determining the K-10’s clinical utility.
abstract_unstemmed	Abstract Background The Kessler Psychological Distress Scale (K-10) is a short screening tool developed to identify, with good sensitivity, non-specific psychological distress in the general population. Sensitivity and specificity of the K-10 have been examined in various clinical populations in South Africa; however, other psychometric properties, such as construct validity and factor structure, have not been evaluated. We present evidence of the prevalence and severity of psychological distress in an outpatient setting in South Africa and evaluate the internal reliability, construct validity, and factor structure of the K-10 in this population. Methods We explored prevalence estimates of psychological distress using previously established cutoffs and assessed the reliability (consistency) of the K-10 by calculating Cronbach’s alpha, item-total correlations and omega total and hierarchical coefficients. Construct validity and factor structure of the K-10 were examined through split-sample exploratory factor analysis (EFA) followed by confirmatory factor analysis (CFA), comparing several theoretical models and the EFA. Results Overall, there was low prevalence of psychological distress in our sample of 2591 adults, the majority of whom were between the ages of 18–44 (77.7%). The K-10 showed good construct validity and reliability, with a Cronbach’s alpha of 0.84 and omega total of 0.88. EFA yielded a four-factor solution with likely measurement artifacts. CFA showed that the four-factor model from EFA displayed the best comparative fit indices, but was likely overfitted. The unidimensional model with correlated errors was deemed the best fitting model based on fit indices, prior theory, and previous studies. Conclusion The K-10 displays adequate psychometric properties, good internal reliability, and good fit with a unidimensional-factor structure with correlated errors. Further work is required to determine appropriate cutoff values in different populations and clinical subgroups within South Africa to aid in determining the K-10’s clinical utility.
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title_short	Construct validity and factor structure of the Kessler-10 in South Africa
url	https://doi.org/10.1186/s40359-022-00883-9 https://doaj.org/article/6839757c80d540aca07e087c6cfdd5bf https://doaj.org/toc/2050-7283
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author2	Qhama Cossie Amantia A. Ametaj Hannah H. Kim Roxanne James Rocky E. Stroud Anne Stevenson Zukiswa Zingela Dan J. Stein Bizu Gelaye
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