Fourth graders (age 9-10 years) | Seventh graders (age 12-13 years) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Crude | Adjusted* | Crude | Adjusted* | ||||||||
n | OR | 95% CI | OR | 95% CI | n | OR | 95% CI | OR | 95% CI | ||
Boys | |||||||||||
BMI percentile | |||||||||||
< 50th | 822 | 1 | 1 | 690 | 1 | 1 | |||||
50 - 74th | 412 | 1.36 | 0.97-1.89 | 1.35 | 0.95-1.90 | 346 | 0.97 | 0.66-1.43 | 0.96 | 0.65-1.44 | |
75 - 84th | 165 | 1.95 | 1.28-2.97 | 1.95 | 1.25-3.04 | 137 | 0.92 | 0.53-1.60 | 0.80 | 0.45-1.44 | |
85 - 94th | 164 | 3.92 | 2.68-5.74 | 3.91 | 2.61-5.84 | 138 | 2.04 | 1.31-3.20 | 1.94 | 1.22-3.10 | |
≥ 95th | 82 | 8.08 | 5.00-13.07 | 8.16 | 4.94-13.47 | 69 | 4.18 | 2.46-7.11 | 4.16 | 2.39-7.24 | |
(P for trend < 0.001) | (P for trend < 0.001) | (P for trend < 0.001) | (P for trend < 0.001) | ||||||||
Girls | |||||||||||
BMI percentile | |||||||||||
< 50th | 763 | 1 | 1 | 661 | 1 | 1 | |||||
50 - 74th | 380 | 1.16 | 0.87-1.56 | 1.17 | 0.86-1.59 | 330 | 1.20 | 0.86-1.67 | 1.24 | 0.87-1.76 | |
75 - 84th | 152 | 1.33 | 0.89-2.00 | 1.33 | 0.87-2.03 | 132 | 1.50 | 0.96-2.35 | 1.70 | 1.07-2.69 | |
85 - 94th | 152 | 2.52 | 1.74-3.64 | 2.57 | 1.75-3.78 | 132 | 1.90 | 1.24-2.91 | 1.95 | 1.24-3.05 | |
≥ 95th | 76 | 3.30 | 2.03-5.35 | 3.28 | 1.98-5.44 | 66 | 2.04 | 1.17-3.58 | 2.01 | 1.12-3.63 | |
(P for trend < 0.001) | (P for trend < 0.001) | (P for trend < 0.001) | (P for trend < 0.001) |