Korean Journal of Family Practice
Table. 2.

Univariate logistic regression analysis on the association between other variables and anemia

Men Women
OR (95% CI) P-value OR (95% CI) P-value
Age (y) 1.076 (1.053–1.110) <0.001 0.993 (0.986–1.000) 0.045
Body mass index (kg/m) 0.898 (0.823–0.980) 0.016 0.951 (0.926–0.977) <0.001
C-reactive protein (mg/L) 1.064 (1.001–1.132) 0.047 1.015 (0.953–1.082) 0.640
Sleep duration (h) 0.998 (0.994–1.002) 0.379 0.999 (0.997–1.000) 0.034
<5 3.657 (1.333–10.034) 0.012 1.240 (0.692–2.223) 0.470
5–6 1.503 (0.580–3.898) 0.401 1.086 (0.759–1.553) 0.652
6–7 0.964 (0.483–1.924) 0.917 0.964 (0.483–1.924) 0.809
7–8 1 (Reference) 1 (Reference)
8–9 1.272 (0.579–2.796) 0.549 0.924 (0.706–1.208) 0.562
≥9 1.706 (0.601–4.840) 0.314 0.619 (0.402–0.953) 0.029
Urban residence
Yes 0.769 (0.390–1.516) 0.447 1.009 (0.707–1.439) 0.961
No 1 (Reference) 1 (Reference)
Currently smoking
Yes 0.436 (0.249–0.765) 0.004 0.605 (0.357–1.023) 0.061
No 1 (Reference) 1 (Reference)

OR, odds ratio; CI, confidence interval.

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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