Table 2.
Characteristics of pregnant women in study (N = 200)
| Vaccinated | Unvaccinated | |||||
|---|---|---|---|---|---|---|
| (n = 100) | (n = 100) | |||||
| n | % | n | % | P-valuea | ||
| Country of Origin | Foreign | 20 | 20.0 | 21 | 21.0 | |
| Spanish | 80 | 80.0 | 79 | 79.0 | 0.831 | |
| Age (years) | <25 | 18 | 18.0 | 9 | 9.0 | |
| 25–35 | 63 | 63.0 | 66 | 66.0 | ||
| >35 | 19 | 19.0 | 25 | 25.0 | 0.143 | |
| Parity | 1 | 51 | 51.0 | 43 | 43.0 | |
| 2-mar | 38 | 38.0 | 50 | 50.0 | ||
| >3 | 11 | 11.0 | 7 | 7.0 | 0.201 | |
| Gestational | <37 | 9 | 9.0 | 10 | 10.0 | |
| Age (weeks) | 37–42 | 88 | 88.0 | 88 | 88.0 | |
| >42 | 3 | 3.0 | 2 | 2.0 | 0.881 | |
| Asthmab | No | 97 | 97.0 | 92 | 92.0 | |
| Yes | 34.0 | 3.0 | 8 | 8.0 | 0.121 | |
| Diabetes Mellitusb | No | 100 | 100.0 | 99 | 99.0 | |
| Yes | 0 | 0.0 | 1 | 1.0 | 0.316 | |
| Cardiac Pathologyb | No | 100 | 100.0 | 99 | 99.0 | |
| Yes | 0 | 0.0 | 1 | 1.0 | 0.316 | |
| Immunosuppressionb | No | 100 | 100.0 | 100 | 100.0 | |
| Yes | 0 | 0.0 | 0 | 0.0 | N/A | |
| Low Risk Pregnancyc | No | 34 | 34.0 | 40 | 40.0 | |
| Yes | 66 | 66.0 | 60 | 60.0 | 0.380 | |
| Pregnancy-induced Hypertensionc | No | 96 | 96.0 | 97 | 97.0 | |
| Yes | 4 | 4.0 | 3 | 3.0 | 0.700 | |
| Thyroid Diseasec | No | 92 | 92.0 | 89 | 89.0 | |
| Yes | 8 | 8.0 | 11 | 11.0 | 0.469 | |
| Smoker statusc | No | 84 | 84.0 | 79 | 79.0 | |
| Yes | 16 | 16.0 | 21 | 21.0 | 0.363 | |
| Vaccinated previous season (2013–14) | No | 91 | 91.0 | 94 | 94.0 | |
| Yes | 9 | 9.0 | 6 | 6.0 | 0.421 | |
a P-value: based on chi-square test; N/A: insufficient cell number to perform chi-square analysis
b Pre-gestational disease
c Gestational disease or status during pregnancy