Multiple regression analysis, with age 50 cognitive status as the dependent variable, showed that the overall model was highly significant, and explained approximately 18% of the variance in cognitive scores at age 50.
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Is mid-life social participation associated with cognitive function at age 50? Results from the British National Child Development Study (NCDS).
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Table 2 shows the crude bivariate associations between standardized cognitive scores at age 50 and potential predictive variables, as estimated by linear regression (at least at 0.05 level, or achieving borderline significance).