Table 3 Results of the regression analysis to predict the temporarily anemic status after the disaster in women.
Variables | Temporarily anemic status | Univariate analysis | Multivariate analysis | |||||
|---|---|---|---|---|---|---|---|---|
The first step in the stepwise selection | Last step in the stepwise selection | |||||||
Observed (n = 283) | Not observed (n = 2,298) | OR (95% CI) | p value | aOR (95%CI) | p value | aOR (95%CI) | p value | |
Age (years) | 32 (5) | 32 (5) | 1.00 (0.97–1.02) | 0.695 | 1.00 (0.97–1.03) | 0.961 | – | – |
BMI < 23 kg/m2 | 231 (82%) | 1,602 (70%) | 1.93 (1.41–2.64) | < 0.001 | 1.85 (1.32–2.61) | < 0.001 | 1.98 (1.43–2.74) | < 0.001 |
Systolic blood pressure (mmHg) | 110 (12) | 111 (13) | 0.99 (0.98–1.00) | 0.06 | 0.99 (0.98–1.01) | 0.27 | – | – |
No history of smoking | 234 (90%) | 1,769 (82%) | 1.93 (1.27–2.94) | 0.002 | 1.85 (1.21–2.83) | 0.004 | 1.85 (1.21–2.83) | 0.004 |
No habit of alcohol drinking | 202 (73%) | 1,445 (65%) | 1.50 (1.14–1.99) | 0.004 | 1.41 (1.06–1.89) | 0.018 | 1.42 (1.07–1.90) | 0.015 |
Relocated after the disaster | ||||||||
No relocation | 107 (38%) | 876 (38%) | 1 (ref) | 0.751 | 1 (ref) | 0.694 | – | – |
To other municipalities | 122 (43%) | 1,024 (45%) | 0.98 (0.74–1.28) | 0.859 | 1.00 (0.75–1.33) | 0.997 | ||
To other prefectures | 54 (19%) | 398 (17%) | 1.11 (0.78–1.57) | 0.554 | 1.17 (0.79–1.72) | 0.433 | ||