TV viewing time (hours/day) in different demographic groups.

a. P values were generated from one-way ANOVA. b. There were no significant differences in TV viewing time between ex-smokers and non-smokers, or between ex-smokers and current smokers. The ex-smokers and non-smokers were categorized to “not currently smoking”. c. During the last 7 days, did you have at least 10 minutes of vigorous physical activities? d. During the last 7 days, did you have at least 10 minutes of moderate physical activities? post hoc comparisons were used, all group differences are significant (P<0.01).