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Table 3 Binary logistic regressions between adolescents’ weight status and waist circumferences and outdoor activity and screen time (n = 2264)

From: Associations of outdoor activity and screen time with adiposity: findings from rural Chinese adolescents with relatively low adiposity risks

  Overweight/obesity High waist circumference
OR 95% CI OR 95% CI
Outdoor activity-weekday
  ≥ 1 h reference reference
  < 1 h 1.86 (1.30, 2.66)** 2.22 (1.39, 3.57)**
Outdoor activity-weekend
  ≥ 1 h reference reference
  < 1 h 1.31 (.87, 1.95) 1.45 (.88, 2.40)
Outdoor activity-daily average
  ≥ 1 h reference reference
  < 1 h 1.95 (1.36, 2.80)** 2.15 (1.36, 3.41)**
Screen time-weekday
  ≤ 2 h reference reference
  > 2 h 1.15 (.81, 1.65) 1.46 (.93, 2.32)
Screen time-weekend
  ≤ 2 h reference reference
  > 2 h 0.96 (.64, 1.43) 2.08 (1.14, 3.80)*
Screen time-daily average
  ≤ 2 h reference reference
  > 2 h 0.94 (.65, 1.36) 1.31 (.81, 2.11)
  1. Covariates include adolescents’ age, sex, being the single child, ethnic minority, frequencies of fruit intake and vegetable intake, sleep time (≥ 8 h per day or not), parents’ education, and fathers’ occupation. * p < .05, ** p < .01