Table 3 Logistic regression analysis results for “Lack of physical activity” (n = 1721)
Variable | Total | Boys | Girls | |||||
|---|---|---|---|---|---|---|---|---|
Univariate | Multivariate | Multivariate | Multivariate | |||||
% | OR (95% CI) | OR (95% CI) | % | OR (95% CI) | % | OR (95% CI) | ||
Gender | Boys | 25.9 | 1 | 1 | ||||
Girls | 29.4 | 1.19 (0.96–1.47) | 1.40 (1.11–1.76) † | |||||
Grade | Low (1st–2nd) | 21.3 | 1 | 1 | 22.3 | 1 | 20.2 | 1 |
Middle (3rd–4th) | 28.8 | 1.50 (1.14–1.97) † | 1.53 (1.15–2.04) † | 25.3 | 1.12 (0.74–1.69) | 32.2 | 2.16 (1.42–3.27) ‡ | |
High (5th–6th) | 32.7 | 1.80 (1.39–2.34) ‡ | 1.82 (1.37–2.41) ‡ | 30.1 | 1.42 (0.94–2.13) | 35.3 | 2.49 (1.65–3.78) ‡ | |
Social background and parental lifestyles | ||||||||
Mother’s employment status | Full time | 24.5 | 1 | 1 | 25.2 | 1 | 23.8 | 1 |
Part time | 27.8 | 1.19 (0.94–1.50) | 1.18 (0.92–1.50) | 25.7 | 1.00 (0.70–1.43) | 29.9 | 1.44 (1.01–2.06) * | |
Unemployed (housewives) | 36.2 | 1.75 (1.28–2.39) ‡ | 1.91 (1.37–2.68) ‡ | 28.3 | 1.17 (0.71–1.91) | 44.5 | 3.38 (2.08–5.49) ‡ | |
Family structure | 3-generation family | 28.0 | 1 | 1 | 24.3 | 1 | 31.3 | 1 |
Nuclear family | 27.5 | 0.97 (0.78–1.22) | 0.95 (0.75–1.20) | 26.7 | 1.13 (0.79–1.61) | 28.4 | 0.79 (0.56–1.10) | |
Perceived family affluence | Affluent | 25.9 | 1 | 1 | 26.0 | 1 | 25.8 | 1 |
Neither | 28.2 | 1.13 (0.87–1.46) | 1.06 (0.81–1.39) | 26.4 | 1.01 (0.68–1.49) | 30.0 | 1.20 (0.81–1.79) | |
No affluent | 28.4 | 1.14 (0.85–1.53) | 0.93 (0.68–1.27) | 25.0 | 0.80 (0.51–1.26) | 32.4 | 1.05 (0.66–1.66) | |
Communication with parents | Often | 25.9 | 1 | 1 | 24.3 | 1 | 27.2 | 1 |
Rarely | 36.2 | 1.62 (1.24–2.11) ‡ | 1.59 (1.19–2.13) † | 30.9 | 1.26 (0.87–1.82) | 48.8 | 2.25 (1.36–3.71) † | |
Father’s IU at home, h/day | < 2 h | 27.0 | 1 | 1 | 25.7 | 1 | 28.2 | 1 |
≥ 2 h | 31.6 | 1.25 (0.93–1.67) | 1.06 (0.77–1.46) | 26.9 | 0.88(0.55–1.41) | 36.7 | 1.23 (0.78–1.94) | |
Mother’s IU at home, h/day | < 2 h | 26.9 | 1 | 1 | 25.0 | 1 | 28.8 | 1 |
≥ 2 h | 39.4 | 1.76 (1.16–2.68) † | 1.38 (0.86–2.21) | 38.3 | 1.47 (0.79–2.71) | 41.0 | 1.32 (0.63–2.80) | |
Father’s behaviors based on Breslow’s health score | High (6, 7) | 22.7 | 1 | 1 | 26.2 | 1 | 19.1 | 1 |
Middle (4, 5) | 27.1 | 1.27 (0.94–1.70) | 1.15 (0.84–1.57) | 24.7 | 0.87 (0.57–1.34) | 29.7 | 1.68 (1.04–2.71) * | |
Low (0–3) | 31.1 | 1.53 (1.14–2.07) † | 1.28 (0.92–1.79) | 27.2 | 0.85 (0.53–1.35) | 34.5 | 2.11 (1.28–3.48) † | |
Mother’s behaviors based on Breslow’s health score | High (6, 7) | 20.7 | 1 | 1 | 17.5 | 1 | 23.9 | 1 |
Middle (4, 5) | 29.7 | 1.62 (1.25–2.12) ‡ | 1.50 (1.13–1.99) † | 27.1 | 1.68 (1.11–2.56) * | 32.2 | 1.36 (0.91–2.03) | |
Low (0–3) | 31.6 | 1.78 (1.28–2.46) ‡ | 1.54 (1.07–2.20) * | 34.3 | 2.53 (1.51–4.23) ‡ | 28.8 | 0.88 (0.52–1.49) | |
Child lifestyle factors | ||||||||
Breakfast eating | Every day | 27.6 | 1 | 1 | 25.6 | 1 | 30.8 | 1 |
Skipping | 28.9 | 1.07 (0.71–1.61) | 0.74 (0.48–1.15) | 30.8 | 0.91 (0.47–1.77) | 27.5 | 0.66 (0.36–1.22) | |
Sleep duration | More than 8 h | 26.8 | 1 | 1 | 25.5 | 1 | 27.3 | 1 |
Less than 8 h | 30.9 | 1.22 (0.95–1.57) | 1.03 (0.78–1.36) | 27.3 | 0.93 (0.61–1.41) | 27.3 | 1.11 (0.76–1.63) | |
Children’s ST, h/day | < 2 h | 23.4 | 1 | 1 | 21.0 | 1 | 25.5 | 1 |
≥ 2 h | 34.3 | 1.71 (1.38–2.11) ‡ | 1.47 (1.17–1.86) ‡ | 32.2 | 1.55 (1.10–2.17) * | 36.9 | 1.47 (1.05–2.06) * | |
Cram schools | ≥ 2 times/week | 27.0 | 1 | 1 | 32.3 | 1 | 27.0 | 1 |
1 times/week | 23.1 | 0.81 (0.47–1.40) | 0.78 (0.44–1.37) | 26.2 | 0.95 (0.42–2.17) | 23.1 | 0.68 (0.30–1.54) | |
0 time | 28.2 | 1.06 (0.81–1.39) | 0.97 (0.73–1.28) | 28.9 | 1.29 (0.84–1.97) | 28.2 | 0.75 (0.51–1.12) | |
Children’s health | ||||||||
Overall health | Good | 26.5 | 1 | 1 | 25.0 | 1 | 28.0 | 1 |
Poor | 42.3 | 2.03 (1.39–2.95) ‡ | 1.66 (1.12–2.47) * | 37.9 | 1.34 (0.74–2.43) | 46.2 | 1.96 (1.11–3.45) * | |
Enrichment of school life | ||||||||
Have close friends | Yes | 26.5 | 1 | 1 | 24.5 | 1 | 28.5 | 1 |
No | 66.7 | 5.54 (3.01–10.2) ‡ | 5.40 (2.81–10.4) ‡ | 62.5 | 5.51(2.52–12.03) ‡ | 75.0 | 6.68 (1.86–23.93) † | |
Understand the school study | Understand well | 26.9 | 1 | 1 | 25.8 | 1 | 27.9 | 1 |
Not understand | 31.2 | 1.23 (0.95–1.60) | 1.02 (0.77–1.36) | 26.3 | 0.86(0.57–1.29) | 36.7 | 1.23 (0.82–1.84) | |