Adherence
Spending 21 or more hours per week watching television is associated with an increased risk of clinical depression compared to watching 0-1 hour per week.
Limit your television watching to less than 5 hours per week to potentially lower your risk of depression. If you watch more than 21 hours a week, your risk increases by about 13%. Replacing some of this sedentary time with physical activity, even just walking, is the recommended strategy.
In contrast, the risk of depression increased with increasing television-watching time. The multivariate relative risk comparing women who spent 21 hours/week or more watching television with those who spent 0–1 hour/week was 1.13 (95% confidence interval: 1.00, 1.27; Ptrend = 0.01).
Why this rating
Same high-quality observational design as N1, but the effect size is smaller and the confidence interval touches 1.0.
Source
Relation Between Clinical Depression Risk and Physical Activity and Time Spent Watching Television in Older Women: A 10-Year Prospective Follow-up Study
Michel Lucas et al. · American Journal of Epidemiology · 2011
DOI 10.1093/aje/kwr218
More from this paper
- Engaging in higher levels of physical activity (≥90 minutes/day) is associated with a statistically significant reduction in the risk of incident clinical depression in older women compared to low activity levels (<10 minutes/day).Good
- The combination of high physical activity (≥90 minutes/day) and low television watching (0-5 hours/week) results in the strongest reduction in clinical depression risk compared to the combination of low activity and high TV watching.Good
Related findings · Adherence
- Regular physical activity (at least 150 minutes/week of moderate-intensity) reduces all-cause and cardiovascular mortality by 20-30% and lowers the risk of type 2 diabetes by 25-35%.Strong
- Increasing physical activity from a sedentary lifestyle to an active one in middle adulthood significantly reduces the risk of coronary events compared to remaining sedentary.Strong
- Resistance exercise is the only intervention capable of consistently restoring muscle function and strength in sarcopenia, partially overcoming age-related anabolic resistance.Strong
This is one finding among thousands. Every one is graded and traced to its source, so you can see what the evidence actually supports. Browse the research →