To examine the associations of self-reported visual impairment and physical activity (PA) with all-cause mortality.
This prospective cohort study included 65,236 Norwegians aged ?20 years who had participated in the Nord-Trøndelag Health Study (HUNT2, 1995-1997). Of these participants, 11,074 (17.0%) had self-reported visual impairment (SRVI). The participants' data were linked to Norway's Cause of Death Registry and followed throughout 2012. Hazard ratios and 95% confidence intervals (CI) were assessed using Cox regression analyses with age as the time-scale. The Cox models were fitted for restricted age groups (