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Table 1 Weighted obesity prevalencea [% (SE)] (Waves II and III)b

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

  MALES FEMALES
  Wave II Wave III Wave II Wave III
Count 4879 4879 4276 4276
Total Sample 11.5 (0.73) 21.1 (0.94) 10.9 (0.74) 23.9 (1.18)
Parental Education     
   < HS 12.0 (1.88)* 22.6 (2.57) 16.3 (1.87)** 37.0 (3.02)**
   HS/GED 13.9 (1.36)* 23.2 (1.72) 11.8 (1.27)** 26.5 (1.84)**
   Some College 11.7 (1.26)* 20.7 (1.31) 9.2 (1.06)** 22.0 (1.60)**
   College/Grad 8.2 (1.07)* 18.3 (1.58) 8.6 (1.48)** 15.9 (1.77)**
Income Tertile     
   1st Tertile 13.8 (1.41)* 23.2 (1.74)** 13.3 (1.22)** 30.2 (2.12)**
   2nd Tertile 11.6 (0.94)* 22.5 (1.36)** 11.7 (1.09)** 25.1 (1.56)**
   3rd Tertile 9.2 (1.00)* 17.3 (1.39)** 7.7 (1.19)** 16.9 (1.44)**
Race     
   White 11.4 (0.92) 20.4 (1.15) 10.0 (0.91)** 21.7 (1.31)**
   Black 12.1 (1.58) 23.6 (2.13) 16.8 (1.68)** 35.8 (3.02)**
   Native American 21.5 (10.33) 40.9 (20.19) 17.0 (6.63)** 42.2 (11.89)**
   Asian 6.4 (2.38) 18.5 (3.76) 2.6 (1.25)** 9.0 (2.96)**
   Hispanic 12.4 (1.89) 21.4 (2.18) 12.5 (1.70)** 28.6 (2.40)**
Region     
   West 10.0 (1.57) 20.4 (2.71) 7.9 (1.27) 21.6 (2.08)*
   Mid-West 11.9 (1.48) 21.6 (1.80) 12.0 (1.49) 23.5 (2.51)*
   South 12.7 (1.18) 22.4 (1.51) 11.9 (1.12) 28.1 (1.84)*
   Northeast 8.7 (1.21) 17.1 (1.71) 8.4 (1.81) 17.0 (2.30)*
Smoking     
   Never 11.3 (0.76) 21.9 (1.29) 10.3 (0.77) 22.9 (1.46)
   Formerc 14.3 (2.64) 18.8 (1.67) 10.9 (1.64) 26.9 (2.31)
   Current 11.3 (1.70) 21.2 (1.50) 13.4 (1.57) 24.2 (1.94)
Season     
   Winter --d 18.8 (1.52) --d 21.9 (2.28)
   Spring 12.9 (1.02)** 20.5 (2.04) 11.4 (1.00) 22.0 (3.18)
   Summer 9.8 (0.84)** 21.9 (2.44) 10.1 (1.00) 26.5 (2.12)
   Fall --e 22.5 (1.27) --e 24.5 (1.26)
  1. * p < 0.05 within wave and sex; ** p < 0.01 within wave and sex
  2. a Obesity defined as BMI ≥ 30 kg/m2 equivalent age- and sex-specific IOTF cut-points at Wave II; BMI ≥ 30 kg/m2 at Wave III.
  3. b National Longitudinal Study of Adolescent Health [N = 9,155]. Weighted for national representation, standard errors corrected for survey design effects of multiple stage cluster sampling.
  4. c Combined with "Current" in regression modeling for Wave II
  5. d Variable is not applicable for Wave II
  6. e Insufficient cell size; combined with Summer for Wave II