Korean Journal of Family Practice

Table. 3.

Adjusted odds ratios (95% confidence intervals) for anemia according to sleep duration in men and women

Model 1 P-value Model 2 P-value Model 3 P-value
Men
<5 3.657 (1.333–10.034) 0.012 3.728 (1.310–10.603) 0.014 3.885 (1.372–11.005) 0.011
5–6 1.503 (0.580–3.898) 0.401 1.757 (0.665–4.641) 0.255 1.740 (0.659–4.592) 0.262
6–7 0.964 (0.483–1.924) 0.917 1.070 (0.534–2.144) 0.849 1.058 (0.529–2.117) 0.873
7–8 1 (Reference) 1 (Reference) 1 (Reference)
8–9 1.272 (0.579–2.796) 0.549 1.438 (0.646–3.202) 0.372 1.442 (0.647–3.213) 0.370
≥9 1.706 (0.601–4.840) 0.314 2.028 (0.701–5.868) 0.192 2.113 (0.722–6.182) 0.171
Women
<5 1.240 (0.692–2.223) 0.470 1.557 (0.853–2.841) 0.149 1.555 (0.855–2.829) 0.147
5–6 1.086 (0.759–1.553) 0.652 1.178 (0.816–1.700) 0.381 1.178 (0.816–1.701) 0.380
6–7 0.964 (0.483–1.924) 0.809 1.069 (0.818–1.398) 0.623 1.069 (0.817–1.397) 0.626
7–8 1 (Reference) 1 (Reference) 1 (Reference)
8–9 0.924 (0.706–1.208) 0.562 0.938 (0.714–1.231) 0.643 0.934 (0.711–1.228) 0.625
≥9 0.619 (0.402–0.953) 0.029 0.647 (0.415–1.008) 0.054 0.645 (0.413–1.005) 0.053

Model 1: unadjusted. Model 2: adjusted for age, body mass index, C-reactive protein, current smoking. Model 3: adjusted for age, body mass index, C-reactive protein, currently smoking, urban residence.

P-values are calculated using univariate logistic regression analysis.

Korean J Fam Pract 2021;11:379~384 https://doi.org/10.21215/kjfp.2021.11.5.379
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