Table 3 Logistic multivariate regression analyses of factors associated with infertility
From: Prevalence and associated factors of infertility among 20–49 year old women in Henan Province, China
Characteristic | p-value | Unadjusted OR (95% CI) | p-value | Adjusted OR (95% CI) |
|---|---|---|---|---|
Age (years) | ||||
< 0.001 | < 0.001 | |||
20–24 | Ref | Ref | ||
25–29 | 0.276 | 2.297(0.515–10.249) | 0.587 | 1.523 (0.334–6.942) |
30–34 | 0.011 | 6.618(1.549–28.274) | 0.031 | 5.038 (1.163–21.830) |
35–39 | 0.003 | 9.379 (2.165–40.622) | 0.011 | 6.862 (1.557–30.248) |
40–44 | 0.025 | 5.577 (1.244–25.007) | 0.109 | 3.49 (0.758–16.070) |
45–49 | 0.035 | 5.500 (1.131–26.756) | 0.174 | 3.096 (0.607–15.798) |
History of gynecological surgery | ||||
No | Ref | Ref | ||
Yes | < 0.001 | 3.611 (2.235–5.832) | < 0.001 | 3.063 (1.819–5.159) |
Sweet food | ||||
0.006 | 0.003 | |||
Seldom | Ref | Ref | ||
Sometimes | 0.003 | 0.563 (0.386–0.822) | 0.002 | 0.517 (0.342–0.781) |
Often | 0.017 | 0.557 (0.344–0.902) | 0.008 | 0.494 (0.294–0.830) |
DOR | ||||
No | Ref | Ref | ||
Yes | < 0.001 | 5.131 (2.662–9.889) | < 0.001 | 3.835 (1.908–7.711) |
Constant | 0.003 | 0.109 | ||