Table 3.
Results from logistic regressions examining sexual orientation disparities in birth outcomes among pregnancies that ended in live births (n=15,996)
| Panel A: Low Birth weight | Panel B: Very Low Birth Weight | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Model 1 | Model 2 | Model 1 | Model 2 | |||||||||
| OR | 95% CI | P | OR | 95% CI | P | OR | 95% CI | P | OR | 95% CI | P | |
| Sexual Orientation | ||||||||||||
| Heterosexual-WSM | 1.00 | 1.00 | ||||||||||
| Heterosexual-WSW | 1.07 | (0.79, 1.45) | 1.02 | (0.75, 1.37) | ||||||||
| Bisexual | 1.39 | (0.96, 2.01) | † | 1.18 | (0.81, 1.74) | |||||||
| Lesbian | 3.44 | (1.71, 6.95) | *** | 2.64 | (1.38, 5.07) | ** | ||||||
| Heterosexual-WSM | 1.00 | 1.00 | ||||||||||
| Heterosexual-WSW | 1.29 | (0.63, 2.68) | 1.21 | (0.59, 2.46) | ||||||||
| Bisexual/Lesbian | 1.86 | (1.09, 3.17) | * | 1.60 | (0.93, 2.76) | † | ||||||
| Panel C: Preterm Birth | Panel D: Very Preterm Birth | |||||||||||
| Model 1 | Model 2 | Model 1 | Model 2 | |||||||||
| OR | 95% CI | P | OR | 95% CI | P | OR | 95% CI | P | OR | 95% CI | P | |
| Sexual Orientation | ||||||||||||
| Heterosexual-WSM | 1.00 | 1.00 | ||||||||||
| Heterosexual-WSW | 0.96 | (0.75, 1.24) | 0.88 | (0.68, 1.15) | ||||||||
| Bisexual | 1.46 | (1.05, 2.02) | * | 1.21 | (0.86, 1.72) | |||||||
| Lesbian | 3.85 | (1.17, 12.67) | * | 3.10 | (0.99, 9.65) | † | ||||||
| Heterosexual-WSM | 1.00 | 1.00 | ||||||||||
| Heterosexual-WSW | 1.28 | (0.73, 2.23) | 1.27 | (0.74, 2.17) | ||||||||
| Bisexual/lesbian | 2.13 | (1.31, 3.45) | ** | 1.84 | (1.11, 3.04) | * | ||||||
| Panel E: C-Section | ||||||||||||
| Model 1 | Model 2 | |||||||||||
| OR | 95% CI | P | OR | 95% CI | P | |||||||
| Sexual Orientation | ||||||||||||
| Heterosexual-WSM | 1.00 | 1.00 | ||||||||||
| Heterosexual-WSW | 1.21 | (0.95, 1.55) | 1.23 | (0.96, 1.59) | ||||||||
| Bisexual | 0.85 | (0.65, 1.13) | 0.96 | (0.72, 1.26) | ||||||||
| Lesbian | 0.82 | (0.33, 2.01) | 0.75 | (0.27, 2.06) | ||||||||
Source: National Survey of Family Growth 2006-2015
Notes: Model 2 adjusts for race/ethnicity, education, maternal age, public assistance, income-to-needs ratio, intrauterine insemination, in vitro fertilization,prenatal care in first trimester, smoked during pregnancy, gravidity, and month of interview; CI=Confidence Interval; OR=Odds Ratio; WSM=Women who have only had sex with men; WSW=Women who have had sex with a woman
†
p < .10.
*
p < .05
**
p < .01
***
p < .001