ArticleBMC psychology2024
Psychometric properties of the newly developed self-report environmental determinants of health questionnaire (EDH-Q): development and validation.
Article in BMC psychology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Care competency scale for family caregivers in home palliative care: Turkish adaptation, validity, and reliability study.BMC palliative care · 2026Article
- Patient Satisfaction Measurement: A Comparison of Likert and Item-Specific Response Options Scales.Healthcare (Basel, Switzerland) · 2025Article
- Development and psychometric properties of the nursing ethical decision-making ability scale.BMC medical ethics · 2025Article
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5 authors.
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Abstract
backgroundThe environmental determinants of health (EDH) have a significant impact on people's physical, mental, and social wellbeing. Everyone needs access to environmental resources of all types, including food, materials, and energy, to survive. Currently, no valid and reliable instrument exists for evaluating individuals' perceived levels of EDH. Hence, the purpose of this study was to develop and validate the environmental determinants of health questionnaire (EDH-Q) among undergraduate students in Nigeria.
methodWe conducted a cross-sectional survey among undergraduate students in Nigeria to assess the psychometric properties of the newly developed Environmental Determinants of Health Questionnaire (EDH-Q). Respondents were selected using a convenience sampling approach to evaluate their perceptions of environmental determinants of health. The Content Validity Index (CVI) and Face Validity Index (FVI) were calculated to ascertain the scale's content validity and response process validity, respectively. Additionally, exploratory factor analysis (EFA), confirmatory factor analysis (CFA), composite reliability (CR), average variance extracted (AVE), Cronbach's alpha, and intraclass correlation coefficient (ICC) were computed to assess the scale's construct validity.
resultsThe study involved 300 respondents in the EFA (males 55.7%, females 44.3%) and 430 respondents in the CFA (males 54.0%, females 46.0%). In the EFA, two constructs were identified (the natural environment and the built environment). The EFA model was able to explain 63.57% of the total cumulative variance, and the factor correlation was 0.671. The whole scale Cronbach's alpha value was 0.947, while the two constructs' Cronbach's alpha values were 0.918 (natural environment) and 0.935 (built environment). In the CFA, six pairs of error covariances were included between items within the same construct to improve the fit indices of the initial proposed measurement model. The final re-specified measurement model showed that the EDH-Q, which has two constructs and 18 items, has adequate construct validity (CFI = 0.948, TLI = 0.938, SRMR = 0.046, RMSEA = 0.052, and RMSEA p-value = 0.344). The CRs were 0.845 (natural environment) and 0.854 (built environment). The ICCs were 0.976 (natural environment) and 0.970 (built environment).
conclusionThe results show that the newly created EDH-Q has sufficient construct validity and may be utilized to assess participants' perceptions of their level of EDH. Researchers should examine this instrument in populations with different age ranges and other demographic characteristics, as the present study only applied it to undergraduate students who may share similar characteristics.
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