Table 3 Subgroup analysis stratified by independent variables.
From: Association between perceived financial hardship and sleep duration among Korean adolescents
Variables | Sleep hours | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Men | Women | ||||||||||
7–9 | < 7 h | ≥ 9 h | < 7 h | ≥ 9 h | |||||||
OR | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | |||
Academic level | High | Not at all | 1.00 | 1.00 | |||||||
Not difficult | 1.00 | 0.96 | (0.89–1.04) | 1.07 | (0.92–1.25) | 0.97 | (0.89–1.05) | 0.87 | (0.69–1.10) | ||
Difficult | 1.00 | 0.95 | (0.87–1.04) | 1.18 | (0.99–1.42) | 1.00 | (0.90–1.11) | 1.29 | (0.98–1.70) | ||
Very difficult | 1.00 | 1.07 | (0.90–1.28) | 1.42 | (1.06–1.90) | 1.25 | (1.00–1.56) | 1.89 | (1.18–3.02) | ||
Middle | Not at all | 1.00 | 1.00 | ||||||||
Not difficult | 1.00 | 1.04 | (0.95–1.15) | 0.76 | (0.63–0.91) | 1.00 | (0.91–1.11) | 1.09 | (0.85–1.39) | ||
Difficult | 1.00 | 1.00 | (0.89–1.12) | 1.03 | (0.84–1.26) | 0.93 | (0.83–1.04) | 1.26 | (0.96–1.65) | ||
Very difficult | 1.00 | 1.10 | (0.91–1.33) | 1.22 | (0.89–1.68) | 1.07 | (0.83–1.37) | 1.70 | (1.03–2.81) | ||
Low | Not at all | 1.00 | 1.00 | ||||||||
Not difficult | 1.00 | 0.91 | (0.74–1.13) | 0.86 | (0.70–1.05) | 1.00 | (0.89–1.11) | 0.85 | (0.64–1.14) | ||
Difficult | 1.00 | 1.02 | (0.92–1.13) | 0.97 | (0.78–1.20) | 0.97 | (0.86–1.09) | 0.94 | (0.69–1.26) | ||
Very difficult | 1.00 | 1.12 | (0.96–1.31) | 0.96 | (0.68–1.35) | 1.08 | (0.89–1.32) | 1.16 | (0.74–1.82) | ||
Smoking | No | Not at all | 1.00 | 1.00 | |||||||
Not difficult | 1.00 | 1.00 | (0.95–1.06) | 0.92 | (0.83–1.02) | 0.99 | (0.93–1.04) | 0.95 | (0.82–1.10) | ||
Difficult | 1.00 | 0.99 | (0.93–1.06) | 1.12 | (0.99–1.26) | 0.97 | (0.91–1.04) | 1.17 | (0.99–1.38) | ||
Very difficult | 1.00 | 1.09 | (0.98–1.21) | 1.24 | (1.02–1.52) | 1.16 | (1.02–1.33) | 1.62 | (1.24–2.12) | ||
Yes | Not at all | 1.00 | 1.00 | ||||||||
Not difficult | 1.00 | 1.06 | (0.90–1.25) | 0.66 | (0.43–1.02) | 1.17 | (0.90–1.53) | 0.74 | (0.30–1.85) | ||
Difficult | 1.00 | 0.97 | (0.81–1.15) | 0.60 | (0.37–0.98) | 1.01 | (0.77–1.31) | 0.77 | (0.30–1.97) | ||
Very difficult | 1.00 | 1.16 | (0.89–1.50) | 0.73 | (0.38–1.41) | 0.97 | (0.65–1.45) | 0.34 | (0.07–1.63) | ||
Alcohol consumption | No | Not at all | 1.00 | 1.00 | |||||||
Not difficult | 1.00 | 0.98 | (0.92–1.05) | 0.92 | (0.82–1.04) | 1.00 | (0.94–1.07) | 0.94 | (0.81–1.10) | ||
Difficult | 1.00 | 1.01 | (0.94–1.09) | 1.10 | (0.96–1.27) | 0.99 | (0.92–1.06) | 1.25 | (1.05–1.48) | ||
Very difficult | 1.00 | 1.13 | (0.99–1.29) | 1.27 | (1.02–1.58) | 1.20 | (1.03–1.39) | 1.77 | (1.34–2.36) | ||
Yes | Not at all | 1.00 | 1.00 | ||||||||
Not difficult | 1.00 | 1.05 | (0.97–1.15) | 0.81 | (0.65–1.02) | 0.97 | (0.86–1.09) | 0.91 | (0.64–1.29) | ||
Difficult | 1.00 | 0.96 | (0.87–1.06) | 0.97 | (0.76–1.24) | 0.92 | (0.80–1.05) | 0.80 | (0.53–1.20) | ||
Very difficult | 1.00 | 1.06 | (0.90–1.23) | 1.01 | (0.70–1.46) | 1.00 | (0.80–1.24) | 0.79 | (0.41–1.53) | ||
