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FRIDAY, July 12, 2019 (HealthDay News) — Prolonged television viewing, but not occupational sitting, is associated with an increased risk for cardiovascular disease (CVD) events and all-cause mortality in blacks, according to a study published in the July 2 issue of the Journal of the American Heart Association<\/i>.<\/p>\n
Jeanette Garcia, Ph.D., from the University of Central Florida in Orlando, and colleagues examined the correlation of both television viewing and occupational sitting with CVD events and all-cause mortality in a cohort of 3,592 African-Americans. Participants self-reported television viewing (more than two hours, two to four hours, more than four hours\/day) and occupational sitting (never\/seldom, sometimes, often\/always).<\/p>\n
The researchers identified 129 CVD events and 205 deaths during a median follow-up of 8.4 years. Compared with the lowest category of television viewing, the highest category correlated with an increased risk for a composite CVD events\/all-cause mortality end point (hazard ratio, 1.49; 95 percent confidence interval, 1.13 to 1.97). In contrast, there was no correlation for the highest versus the lowest category of occupational sitting with the risk for composite CVD events\/all-cause mortality (hazard ratio, 0.90; 95 percent confidence interval, 0.69 to 1.18). Moderate-to-vigorous physical activity (MVPA) moderated the association; among individuals with high MVPA levels, television viewing was not associated with a greater risk for CVD events and all-cause mortality.<\/p>\n
“Eating a large meal and then sitting hours at a time could be a very harmful combination,” Garcia said in a statement.<\/p>\n