Table 2 Logistic regression analyses for duration of walking ACS associated with academic achievement in Chilean adolescents, after adjusting for sex, weight status, birth weight, physical activity, screen time, maternal education, and SES
Language | Mathematics | |||
|---|---|---|---|---|
OR (95% CI) | p | OR (95% CI) | p | |
Sex | ||||
Girls | 1.00 | 1.00 | ||
Boys | 2.09 (1.19 to 3.67) | 0.010 | 1.19 (0.71 to 2.01) | 0.506 |
Weight status | ||||
Normoweight | 1.00 | 1.00 | ||
Overweight + obesity | 0.64 (0.40 to 0.95) | 0.023 | 0.77 (0.46 to 1.31) | 0.343 |
Birth weight | ||||
> 2500 g | 1.00 | 1.00 | ||
≤ 2500 g | 0.22 (0.04 to 1.24) | 0.085 | 0.88 (0.34 to 2.28) | 0.869 |
Self-reported physical activity | ||||
Low-Medium | 1.00 | 1.00 | ||
High | 1.45 (0.76 to 2.77) | 0.261 | 1.35 (0.71 to 2.56) | 0.353 |
Screen time recommendation | ||||
< 2 h/day | 1.00 | 1.00 | ||
≥ 2 h/day | 0.98 (0.59 to 1.65) | 0.962 | 0.25 (0.13 to 0.50) | <0.001 |
Mother’s education | ||||
Below university level | 1.00 | 1.00 | ||
University level | 0.66 (0.30 to 1.43) | 0.290 | 1.38 (0.67 to 2.83) | 0.375 |
SES | ||||
Low, n (%) | 1.00 | 1.00 | ||
Medium, n (%) | 0.67 (0.19 to 2.43) | 0.547 | 1.80 (0.45 to 7.30) | 0.406 |
High, n (%) | 1.38 (0.59 to 2.80) | 0.433 | 1.08 (0.68 to 1.73) | 0.737 |
Active commuting to school | ||||
Non-ACS | 1.00 | 1.00 | ||
ACS ≤30 min | 1.32 (0.72 to 2.41) | 0.363 | 1.20 (0.69 to 2.07) | 0.523 |
ACS 30-60 min | 3.53 (1.12 to 3.37) | 0.003 | 2.19 (1.06 to 5.05) | 0.028 |
ACS ≥60 min | 0.37 (0.06 to 2.21) | 0.277 | 0.54 (0.12 to 2.48) | 0.433 |
Likelihood ratio (Chi2) | 116.18 | <0.001 | 40.27 | <0.001 |
Hosmer–Lemeshow | 3.66 | 0.818 | 2.423 | 0.933 |
Correctly classified (%) | 72.2 | 63.7 | ||
Observations | 389 | 389 | ||