BACKGROUND: This study examined imputational modeling effects of spatial proximity and social factors of walking in African American adults. PURPOSE: Models were compared that examined relationships between household proximity to a walking trail and social factors in determining walking status. METHODS: Participants (N=133; 66% female; mean age=55 years) were recruited to a police-supported walking and social marketing intervention. Bayesian modeling was used to identify predictors of walking at 12 months. RESULTS: Sensitivity analysis using different imputation approaches, and spatial contextual effects, were compared. All the imputation methods showed social life and income were significant predictors of walking, however, the complete data approach was the best model indicating Age (1.04, 95% OR: 1.00, 1.08), Social Life (0.83, 95% OR: 0.69, 0.98) and Income <$10,000 (0.10, 95% OR: 0.01, 0.97) were all predictors of walking. CONCLUSIONS: The complete data approach was the best model of predictors of walking in African Americans.
BACKGROUND: This study examined imputational modeling effects of spatial proximity and social factors of walking in African American adults. PURPOSE: Models were compared that examined relationships between household proximity to a walking trail and social factors in determining walking status. METHODS:Participants (N=133; 66% female; mean age=55 years) were recruited to a police-supported walking and social marketing intervention. Bayesian modeling was used to identify predictors of walking at 12 months. RESULTS: Sensitivity analysis using different imputation approaches, and spatial contextual effects, were compared. All the imputation methods showed social life and income were significant predictors of walking, however, the complete data approach was the best model indicating Age (1.04, 95% OR: 1.00, 1.08), Social Life (0.83, 95% OR: 0.69, 0.98) and Income <$10,000 (0.10, 95% OR: 0.01, 0.97) were all predictors of walking. CONCLUSIONS: The complete data approach was the best model of predictors of walking in African Americans.
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