Screen time and physical activity during adolescence: longitudinal effects on obesity in young adulthood

Table 4 Physical activity and screen time as predictors of 5-year incident obesity (Wave II to III)^a

^a National Longitudinal Study of Adolescent Health. Coefficients and 95% confidence intervals were obtained from multivariate gender-specific logistic regression models predicting incident obesity from Wave II to Wave III, and accounting for sampling strategy and including all variables in the table as well as age at Wave III, household income (parental), highest parental education, race, smoking status at Wave III (females only), and season at Wave III (males only). Region did not affect model estimates so it was excluded from both models. (n_males = 4,329, n_females = 3,823)
^b MVPA = moderate to vigorous physical activity (bouts/week). MVPA (difference) = (MVPA at Wave III) - (MVPA at Wave II)
^c The quadratic term (MVPA²) was not significant for males so it was excluded from the model.
^d Screen Time = television and video viewing (hours/week). Screen Time (change) = (Screen Time at Wave III) - (Screen Time at Wave II)

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