Characteristics | Vaccinated (n = 330) | Unvaccinated (n = 192) | p-value |
---|---|---|---|
Maternal age (yrs) (mean ± SD) | 33.32 ± 3.85 | 33.18 ± 4.53 | 0.069 |
Gestational age (weeks) (mean ± SD) | 31.28 ± 20.27 | 26.31 ± 9.12 | 0.002 |
Pregnancy period | 0.002 | ||
≤ 13 weeks (n, %) | 17 (5.2) | 25 (13.0) | |
14–27 weeks (n, %) | 67 (20.3) | 45 (23.4) | |
≥ 28 weeks (n, %) | 230 (69.7) | 108 (56.3) | |
Postpartum (n, %) | 16 (4.8) | 14 (7.3) | |
Nulliparous women (n, %) | 219 (66.4) | 122 (63.5) | 0.514 |
Assisted reproduction (n, %) | 29 (6.6) | 19 (9.9) | 0.790 |
Education (college degree or higher) (n, %) | 304 (92.1) | 168 (87.5) | 0.084 |
Metropolitan residence (n, %) | 270 (81.8) | 15 (79.2) | 0.458 |
Occupation | 0.186 | ||
Housewife (n, %) | 145 (43.9) | 73 (38.0) | |
Other than housewife (n, %) | 185 (56.1) | 119 (62.0) | |
Ever received information about influenza vaccination during pregnancy (n, %) | 321 (97.3) | 155 (80.7) | < 0.001 |
Source of information | < 0.001 | ||
OBGYNa doctor (n, %) | 239 (72.4) | 83 (43.2) | |
Non-OBGYN doctors, public health care, media, friends, or family (n, %) | 91 (27.6) | 109 (56.8) | |
Influenza vaccination in a previous pregnancy (n, %)b | 71 (64.5) | 34 (54.8) | 0.205 |