Associations between participation in an activity during the last week and case-control status; and stratified analyses by vision.

a Selling goodsb Listening to radio, Reading, Watching TV.c Conditional logistic regression adjusted for self reported health problem in the last month. Visual impairment included moderate visual impairment, severe visual impairment and blindness. A dashed line indicates that comparison is not possible.d Analysis was done using logistic regression adjusted for clustering using robust standard error methods and adjusted for age and self reported health problem. Odds ratios are relative to the controls. In the stratified analyses by vision, using the Benjamini and Hochberg method, only tests with a p-value below 0.002 have a False Discovery Rate of Associations between participation in an activity during the last week and case-control status; and stratified analyses by vision.