Knowledge pass a | Attitude | Practice | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Premarital examination b | Pre-pregnancy examination c | FA taking pre-pregnancy d Pre-pregnancy d Pre-pregnancy d | FA taking everyday e | |||||||
OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | |
Age | ||||||||||
≤ 25 | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – |
26–30 | 1.10 | 0.69, 1.74 | 1.82 | 1.12, 2.81* | 2.03 | 1.29, 3.21* | 1.82 | 1.12, 2.81* | 2.30 | 1.34, 3.96* |
31–35 | 1.02 | 0.53, 1.92 | 1.62 | 0.91, 2.86 | 2.70 | 1.48, 4.93 | 1.62 | 0.91, 2.86 | 1.57 | 0.79, 3.12 |
> 35 | 1.33 | 0.51,3.42 | 1.94 | 0.85, 4.41 | 3.30 | 1.38, 7.88 | 1.94 | 0.85, 4.41 | 2.16 | 0.78, 5.94 |
Region | ||||||||||
Yan an | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – |
Xi’an | 4.52 | 2.90,7.06* | 0.37 | 0.24,0.58* | 0.20 | 0.12,0.33* | 3.09 | 2.07,4.60* | 5.91 | 3.32,10.51* |
Location | ||||||||||
City | 0.99 | 0.66, 1.51 | 0.78 | 0.54, 1.14 | 0.95 | 0.64, 140 | 0.78 | 0.54, 1.14 | 0.81 | 0.47, 1.38 |
Suburb/rural area | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – |
Education | ||||||||||
Junior high school or below | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – |
Senior high school/college | 1.69 | 1.02, 2.78* | 1.15 | 0.71, 1.89 | 1.07 | 0.63, 1.81 | 1.15 | 0.71, 1.89 | 1.23 | 0.66, 2.28 |
Undergraduate or above | 3.19 | 1.61, 6.04* | 0.96 | 0.53, 1.75 | 1.14 | 0.60, 2.17 | 0.96 | 0.53, 1.75 | 1.32 | 0.64, 2.73 |
Husband education | ||||||||||
Junior high school or below | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – |
Senior high school/college | 1.13 | 0.69,1.84 | 1.16 | 0.72, 1.87 | 0.97 | 0.58, 1.63 | 1.16 | 0.72, 1.87 | 1.45 | 0.80, 2.61 |
Undergraduate or above | 1.55 | 0.84, 2,89 | 1.28 | 0.71, 2.28 | 1.28 | 0.69, 2.40 | 1.28 | 0.71, 2.28 | 1.34 | 0.67, 269 |
Family income (per month) | ||||||||||
≤ 4000 | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – |
4001–12,000 | 1.37 | 0.89,2.09 | 1.23 | 0.82,1.83 | 0.88 | 0.57,1.35 | 1.23 | 0.82,1.83 | 1.49 | 0.93, 2.38 |
> 12,000 | 1.31 | 0.52, 3.26 | 1.38 | 0.66,2.84 | 0.81 | 0.39,1.68 | 1.38 | 0.66,2.84 | 1.56 | 0.72,3.37 |
Pregnancy history | ||||||||||
No | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – |
Yes | 1.31 | 0.84, 2.05 | 0.94 | 0.40, 1.39 | 0.68 | 0.45, 1.02 | 0.54 | 0.35,0.84* | 0.52 | 0.33, 0.82* |