Table 2.
Adjusted odds ratios and confidence intervals for the association between infertility treatment and self-report of hypertension disorder of pregnancy, Pregnancy Risk Assessment Monitoring System (PRAMS) survey, 2009–2015
| Adjusted OR (95% confidence interval) | Chi-squared associated p value | |
|---|---|---|
| Age (year) | < 0.0001 | |
| < 20 | 1.02 (0.78–1.32) | |
| 20–29 | Reference | |
| 30–34 | 1.00 (0.90–1.10) | |
| 35–39 | 1.32 (1.17–1.49) | |
| 40+ | 1.58 (1.29–1.93) | |
| Race/ethnicity | ||
| Non-Hispanic white | Reference | < 0.0001 |
| Non-Hispanic black | 1.15 (1.02–1.30) | |
| Hispanic | 0.61 (0.52–0.72) | |
| Other | 0.70 (0.60–0.81) | |
| Maternal education achievement | < 0.0001 | |
| < 12 years | 1.05 (0.88–1.26) | |
| 12 years | 1.29 (1.15–1.45) | |
| > 12 years | Reference | |
| Pre-pregnancy BMI | < 0.0001 | |
| < 18.5 | 0.77 (0.58–1.02) | |
| 18.5–24.9 | Reference | |
| 25–29.9 | 1.88 (1.70–2.08) | |
| 30+ | 3.27 (2.96–3.61) | |
| Health insurance prior to pregnancy | 0.0143 | |
| Private | Reference | |
| Medicaid or other | 1.14 (1.01–1.29) | |
| None | 0.91 (0.78–1.06) | |
| History of fertility treatment | 0.0071 | |
| Yes | 1.18 (1.05–1.33) | |
| No | Reference | |
| Number of previous live births | < 0.0001 | |
| 0 | Reference | |
| 1 | 0.50 (0.45–0.55) | |
| 2 | 0.46 (0.40–0.52) | |
| 3+ | 0.44 (0.37–0.52) | |
| Most recent birth plurality | < 0.0001 | |
| Single | Reference | |
| Twin | 2.08 (1.78–2.42) | |
| Other | 2.98 (1.73–5.14) | |
| Tobacco consumption prior to pregnancy | 0.0006 | |
| Yes | 1.22 (1.09–1.36) | |
| No | Reference | |