Development and Validation of a Predictive Model for Depression Risk in the U.S. Adult Population: Evidence from the 2007–2014 NHANES
BMC psychology(2023)
Abstract
Depression is a prevalent mental health disorder with a complex etiology and substantial public health implications. Early identification of individuals at risk for depression is crucial for effective intervention and prevention efforts. This study aimed to develop a predictive model for depression by integrating demographic factors (age, race, marital status, income), lifestyle factors (sleep duration, physical activity), and physiological measures (hypertension, blood lead levels). A key objective was to explore the role of physical activity and blood lead levels as predictors of current depression risk. Data were extracted from the 2007–2014 National Health and Nutrition Examination Survey (NHANES). We applied a logistic regression analysis to these data to assess the predictive value of the above eight factors for depression to create the predictive model. The predictive model had bootstrap-corrected c-indexes of 0.68 (95
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Key words
Physical activity,Blood lead,Depression,Predictive model
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