Factors | Univariate | Multivariate | ||||
---|---|---|---|---|---|---|
Crude ORa | 95% CIb | p-value | Adjusted OR | 95% CI | p-value | |
Ever received information about influenza vaccination | ||||||
No | 1 | 1 | ||||
Yes | 8.51 | 4.01–18.08 | < 0.001 | 8.9c | 4.17–19.01 | < 0.001 |
Source of information | ||||||
No | 1 | 1 | ||||
Non-OBGYNd doctors, public health care, media, friends, and family | 4.37 | 2.02–9.44 | < 0.001 | 4.38c | 2.01–9.55 | < 0.001 |
OBGYN doctor | 11.45 | 5.49–23.87 | < 0.001 | 11.44c | 5.46–24.00 | < 0.001 |
Pregnancy period | ||||||
1st trimester | 1 | 1 | ||||
2nd or 3rd trimester or postpartum | 2.76 | 1.45–5.25 | 0.002 | 2.41e | 1.21–4.82 | 0.013 |
Influenza vaccination in previous pregnancy | ||||||
No | 1 | |||||
Yes | 1.25 | 0.80–1.96 | 0.321 |