Table 3.
Adjusted ORs (95% CI) between sleep duration and obesity, overweight/obesity, and cardiometabolic risk factors in Korean children and adolescents aged 10–18 years (n = 6,048).
| Sleep duration | ||||
|---|---|---|---|---|
| Very short | Short | Recommended | Long | |
| All participants | n = 777 | n = 3,611 | n = 1,623 | n = 37 |
| Overweight/obesity1 | 1.76 (1.43–2.18) | 1.18 (1.01–1.38) | Reference | 1.12 (0.49–1.02) |
| Obesity1 | 1.69 (1.25–2.29) | 1.04 (0.82–1.32) | Reference | 1.28 (0.38–4.23) |
| Elevated WC 1 | 1.49 (1.13–1.97) | 1.25 (1.01–1.53) | Reference | 0.94 (0.28–3.09) |
| Elevated BP 2 | 1.00 (0.83–1.22) | 1.01 (0.89–1.16) | Reference | 0.78 (0.35–1.72) |
| Elevated glucose2 | 1.45 (0.54–3.90) | 1.09 (0.50–2.39) | Reference | — |
| Reduced HDL-C2 | 0.96 (0.75–1.24) | 0.91 (0.77–1.08) | Reference | 0.76 (0.26–2.22) |
| Elevated TG2 | 0.81 (0.64–1.01) | 0.89 (0.76–1.03) | Reference | 2.71 (1.36–5.38) |
| MetS2 | 0.74 (0.47–1.18) | 1.07 (0.77–1.48) | Reference | 0.83 (0.10–6.80) |
| Boys | n = 349 | n = 1,937 | n = 914 | n = 18 |
| Overweight/obesity3 | 1.78 (1.31–2.41) | 1.42 (1.15–1.75) | Reference | 0.63 (0.14–2.79) |
| Obesity3 | 1.20 (0.76–1.90) | 1.02 (0.76–1.41) | Reference | 0.76 (0.10–5.96) |
| Elevated WC3 | 1.40 (0.93–2.12) | 1.33 (1.10–1.76) | Reference | 0.63 (0.08–4.82) |
| Elevated BP4 | 0.81 (0.62–1.07) | 0.96 (0.80–1.14) | Reference | 0.95 (0.33–2.72) |
| Elevated glucose4 | 1.78 (0.43–7.43) | 1.62 (0.53–4.98) | Reference | — |
| Reduced HDL-C4 | 1.15 (0.84–1.58) | 0.82 (0.67–1.02) | Reference | 0.90 (0.25–3.22) |
| Elevated TG4 | 1.10 (0.80–1.49) | 0.95 (0.77–1.16) | Reference | 1.61 (0.55–4.70) |
| MetS4 | 1.02 (0.58–1.81) | 0.94 (0.62–1.40) | Reference | 1.69 (0.18–15.77) |
| Girls | n = 428 | n = 1,674 | n = 709 | n = 19 |
| Overweight/obesity3 | 1.69 (1.26–2.26) | 0.94 (0.74–1.18) | Reference | 1.55 (0.55–4.40) |
| Obesity3 | 2.28 (1.49–3.49) | 1.05 (0.73–1.52) | Reference | 1.85 (0.41–8.32) |
| Elevated WC3 | 1.57 (1.07–2.30) | 1.16 (0.86–1.56) | Reference | 1.17 (0.26–5.18) |
| Elevated BP4 | 1.18 (0.89–1.56) | 1.07 (0.87–1.31) | Reference | 0.59 (0.17–2.07) |
| Elevated glucose4 | 1.19 (0.31–4.65) | 0.67 (0.22–2.08) | Reference | — |
| Reduced HDL-C4 | 0.77 (0.50–1.18) | 1.09 (0.81–1.46) | Reference | 0.51 (0.07–3.97) |
| Elevated TG4 | 0.58 (0.42–0.81) | 0.80 (0.64–1.00) | Reference | 3.86 (1.50–9.90) |
| MetS4 | 0.51 (0.22–1.16) | 1.42 (0.80–2.52) | Reference | — |
WC, waist circumference; BP, blood pressure; HDL-C, high-density lipoprotein cholesterol; TG, triglyceride; MetS, metabolic syndrome.
1Multiple logistic regression models were generated after adjustment for sex, age, alcohol drinking, smoking, physical activity, household income, and residence.
2Multiple logistic regression models were generated after adjustment for sex, age, body mass index (BMI) standard deviation scores (SDS), alcohol drinking, smoking, physical activity, household income, and residence.
3Multiple logistic regression models were generated after adjustment for age, alcohol drinking, smoking, physical activity, household income, and residence according to sex.
4Multiple logistic regression models were generated after adjustment for age, body mass index (BMI) standard deviation scores (SDS), alcohol drinking, smoking, physical activity, household income, and residence according to sex.