Article Impact Level: HIGH Data Quality: STRONG Summary of Journal of General Internal Medicine. https://doi.org/10.1007/s11606-024-08951-z Dr. Jason M. Nagata et al.
Points
- The Coronary Artery Risk Development in Young Adults (CARDIA) study analyzed the long-term impact of television viewing habits on the risk of premature cardiovascular disease (CVD) events from young adulthood to middle age.
- Higher daily television viewing at age 23 was linked to an increased risk of coronary heart disease (CHD) (AOR 1.26) and combined CVD events (AOR 1.16), with risks further escalating with yearly increases in viewing time.
- The study found consistent increases in television viewing duration through midlife were associated with significantly higher odds of CHD, stroke, and overall CVD events.
- The results emphasize the importance of establishing and maintaining healthy television viewing habits early in life to reduce the risk of premature cardiovascular events.
- The study highlights early adulthood and ongoing lifestyle choices as critical periods for cardiovascular health interventions, suggesting that reducing television viewing could be an effective strategy for preventing early CVD.
Summary
The Coronary Artery Risk Development in Young Adults (CARDIA) study, a long-term prospective analysis, has been pivotal in assessing the health impacts of lifestyle habits from young adulthood into middle age. This study specifically examined how television viewing habits established in young adulthood influence the risk of premature cardiovascular disease (CVD) events before age 60. Initially aged 18-30 and comprised of Black and White men and women, participants were followed for over three decades from 1985 to present.
The methodology involved developing individualized trajectories of television viewing habits using linear mixed models and analyzing their association with fatal and nonfatal cardiovascular outcomes such as coronary heart disease (CHD), heart failure, and stroke. Key findings indicated that each additional hour of television watched daily at the age of 23 was associated with a significantly higher risk of CHD (adjusted odds ratio [AOR] 1.26, 95% confidence interval [CI] 1.06–1.49) and combined CVD events (AOR 1.16, 95% CI 1.03–1.32). Furthermore, yearly increases in television viewing duration correlated with increased odds of CHD (AOR 1.55, 95% CI 1.06–2.25), stroke (AOR 1.58, 95% CI 1.02–2.46), and overall CVD events (AOR 1.32, 95% CI 1.03–1.69).
The study concluded that higher levels of television viewing in young adulthood, as well as annual increases in viewing time through middle age, were associated with a greater incidence of premature CVD events, notably CHD. These findings underscore the importance of establishing healthy television viewing habits early in life and maintaining them through midlife as a preventative measure against early-onset CVD. This suggests that early adulthood and ongoing lifestyle choices are critical for cardiovascular health interventions.
Link to the article: https://link.springer.com/article/10.1007/s11606-024-08951-z
References Nagata, J. M., Vittinghoff, E., Cheng, C. M., Dooley, E. E., Lin, F., Rana, J. S., Sidney, S., Lewis, C. E., & Pettee Gabriel, K. (2024). Television Viewing from Young Adulthood to Middle Age and Premature Cardiovascular Disease Events: A Prospective Cohort Study. Journal of General Internal Medicine. https://doi.org/10.1007/s11606-024-08951-z
