Television, physical activity, diet, and body weight status: the ARIC cohort
2008

The Impact of Television on Physical Activity, Diet, and Weight

Sample size: 15774 publication 10 minutes Evidence: moderate

Author Information

Author(s): Meyer Anne-Marie, Evenson Kelly R, Couper David J, Stevens June, Pereria Mark A, Heiss Gerardo

Primary Institution: University of North Carolina at Chapel Hill

Hypothesis

Time spent watching TV is associated with negative effects on physical activity, diet, and body weight.

Conclusion

Higher television exposure is linked to less physical activity, poorer dietary choices, and increased body weight.

Supporting Evidence

  • Participants with high TV exposure were more likely to be insufficiently active.
  • High TV exposure was associated with poorer dietary choices.
  • Those with high TV exposure had greater odds of being overweight or obese.

Takeaway

Watching a lot of TV can make you less active and lead to eating unhealthy foods, which can make you gain weight.

Methodology

Data from the ARIC Study was analyzed using questionnaires and regression models to assess TV exposure and its effects on physical activity, diet, and BMI.

Potential Biases

Potential bias due to loss of participants who had higher TV exposure and poorer health outcomes.

Limitations

The study relied on self-reported data for TV exposure and dietary intake, which may lead to misclassification.

Participant Demographics

Participants were predominantly white (73%) and mostly reported at least a high school education (76%).

Statistical Information

P-Value

1.40, 95% CI 1.26, 1.55

Confidence Interval

95% CI 1.26, 1.55

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1479-5868-5-68

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