ArticlePloS one2025
Development and validation of a questionnaire to assess the health related Social Capital for Chronic Kidney Disease among Mexican adolescents.
Article in PloS one, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundSocial Capital on health has been studied widely, to date there is no valid and reliable questionnaire that measure it in Chronic Kidney Disease (CKD).
objectiveTo develop, validate and assess the reliability of Social Capital related to CKD questionnaire for Mexican adolescents.
methodsAn instrumental study was employed to validate a questionnaire that assesses the cognitive and structural domains of Social Capital related to CKD. The questionnaire was generated by operationalization of the constructs and validated by assessing the content, face validity, criteria and construct validity. Reliability was assessed through the Cronbach´s alpha.
resultsThe content validity of the questionnaire was confirmed through Kendall's W of 0.925 (p = 0.01) and its face validity was evaluated by four focus groups. A principal component analysis on a sample of 281 adolescents indicated that 72.78% of the variance was explained by the cognitive domain and 83.20% by the structural domain. A confirmatory analysis returned a chi-squared value of 142.99 (p = 0.05), a CFI of 0.97, a TLI of 0.96, a RMSEA of 0.040 and a SRMR of 0.07 for the cognitive domain. Similarly, a chi-squared of 408.296 (p < 0.001), a CFI of 0.98, a TLI of 0.97, a RMSEA 0.03 and a SRMR of 0.06 were returned for the structural domain. The validity of the criteria was assessed through a Pearson's correlation for both the cognitive and structural domains. There was a mild-to-strongly significant correlation (p ≤ 0.001) among items and dimensions within each domain, with correlation coefficients ranging from 0.23 to 0.83. As a determinant of the reliability of the questionnaire, the Cronbach's alpha was 0.84 and 0.94 for the cognitive and structural domain, respectively.
conclusionsA valid and reliable questionnaire has been developed to measure the influence of Social Capital on health in relation to CKD among Mexican adolescents.
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