Table 3.
Multivariate Results from OLS and Logistic Regression for Birth Weight
| Model 1 | Model 2 | Model 3 | Model 4 | Model 5 (Low Birthweight Cutoff) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| B | (95% CI) | B | (95% CI) | B | (95% CI) | B | (95% CI) | OR | (95% CI) | |
|
| ||||||||||
| Lesbian/Bisexual Identity | 0.18** | (0.07 – 0.30) | 0.21*** | (0.10 – 0.32) | 0.23*** | (0.11 – 0.34) | 0.20*** | (0.09 – 0.32) | 0.09** | (0.02 – 0.52) |
| Race/Ethnicity (Ref: White) | ||||||||||
| Black | −0.23*** | (−0.29 − −0.17) | −0.18*** | (−0.23 − −0.13) | −0.24*** | (−0.29 − −0.18) | −0.19*** | (−0.25 − −0.13) | 1.91*** | (1.38 – 2.66) |
| Latina | −0.07* | (−0.13 − −0.01) | −0.06 | (−0.12 – 0.00) | −0.09** | (−0.15 − −0.04) | −0.11*** | (−0.18 − −0.05) | 1.13 | (−0.18 − −0.05) |
| Other | −0.10* | (−0.19 − −0.01) | −0.10* | (−0.18 − −0.01) | −0.10* | (−0.18 − −0.01) | −0.11* | (−0.20 − −0.02) | 1.06 | (0.67 – 1.68) |
| Sexual Identity * Race/Ethnicity | ||||||||||
| Lesbian/Bisexual * Black | −0.22 | (−0.50 – 0.07) | −0.26 | (−0.54 – 0.02) | −0.33* | (−0.60 − −0.07) | −0.33* | (−0.59 − −0.07) | 13.33* | (1.63 – 109.24) |
| Lesbian/Bisexual * Latina | −0.11 | (−0.50 – 0.28) | −0.16 | (−0.56 – 0.23) | −0.18 | (−0.58 – 0.23) | −0.15 | (−0.55 – 0.25) | 32.78** | (3.53 – 304.01) |
| Lesbian/Bisexual * Other | −0.15 | (−0.52 – 0.22) | −0.13 | (−0.47 – 0.20) | −0.11 | (−0.50 – 0.27) | −0.09 | (−0.49 – 0.32) | --- | --- |
| Maternal Age | 0.00 | (−0.00 – 0.01) | 0.00 | (−0.00 – 0.01) | 0.00 | (−0.00 – 0.00) | 0.99 | (0.96 – 1.02) | ||
| Education | ||||||||||
| LT High School | 0.04 | (−0.02 – 0.10) | 0.02 | (−0.04 – 0.07) | 0.01 | (−0.04 – 0.07) | 1.13 | (0.83 – 1.54) | ||
| Some College | 0.06 | (−0.01 – 0.13) | 0.02 | (−0.05 – 0.09) | 0.02 | (−0.05 – 0.09) | 1.20 | (0.79 – 1.81) | ||
| College Graduate | 0.09* | (0.01 – 0.16) | 0.05 | (−0.03 – 0.12) | 0.05 | (−0.03 – 0.12) | 1.04 | (0.65 – 1.66) | ||
| HH Income (Ref: <$15,000) | ||||||||||
| >=$15,000 & <$30,000 | −0.01 | (−0.08 – 0.06) | −0.01 | (−0.08 – 0.05) | −0.01 | (−0.08 – 0.05) | 0.85 | (0.65 – 1.66) | ||
| >=$30,000 & <$75,000 | 0.03 | (−0.02 – 0.08) | 0.02 | (−0.03 – 0.07) | 0.02 | (−0.03 – 0.07) | 0.71* | (0.52 – 0.96) | ||
| >=$75,000 & <$100,000 | 0.04 | (−0.03 – 0.12) | 0.04 | (−0.03 – 0.11) | 0.03 | (−0.04 – 0.11) | 0.70 | (0.46 – 1.06) | ||
| >=$100,000 | −0.02 | (−0.08 – 0.05) | −0.02 | (−0.08 – 0.05) | −0.02 | (−0.09 – 0.05) | 0.66 | (0.42 – 1.03) | ||
| Missing | 0.01 | (−0.05 – 0.08) | 0.02 | (−0.04 – 0.08) | 0.02 | (−0.04 – 0.08) | 0.79 | |||
| Adolescent Poverty | −0.02 | (−0.07 – 0.04) | −0.01 | (−0.06 – 0.04) | −0.01 | (−0.06 – 0.05) | 0.96 | (0.72 – 1.28) | ||
| Parity | 0.03*** | (0.01 – 0.04) | 0.03*** | (0.01 – 0.04) | 0.03*** | (0.01 – 0.04) | 0.83*** | (0.75 – 0.92) | ||
| Previous Low Birthweight Infant | −0.47*** | (−0.56 − −0.39) | −0.45*** | (−0.54 − −0.36) | −0.45*** | (−0.53 − −0.36) | 5.97*** | (4.37 – 8.15) | ||
| Relationship Status (Prior) (Ref: Married) | ||||||||||
| Cohabitating | −0.06** | (−0.11 − −0.02) | −0.05* | (−0.10 − −0.00) | −0.06* | (−0.10 − −0.01) | 1.29* | (1.00 – 1.66) | ||
| Dating | −0.02 | (−0.07 – 0.03) | −0.01 | (−0.06 – 0.04) | −0.01 | (−0.06 – 0.04) | 0.87 | (0.62 – 1.21) | ||
| Not in romantic relationship | −0.03 | (−0.10 – 0.03) | −0.02 | (−0.09 – 0.05) | −0.02 | (−0.09 – 0.05) | 0.93 | (0.61 – 1.42) | ||
| Missing | −0.01 | (−0.20 – 0.19) | −0.03 | (−0.19 – 0.14) | −0.05 | (−0.25 – 0.16) | ||||
| Foreign Born | 0.05 | (−0.04 – 0.15) | 0.04 | (−0.06 – 0.14) | 0.04 | (−0.06 – 0.14) | 0.99 | (0.60 – 1.63) | ||
| Prenatal Care, 1st Trimester | 0.00 | (−0.06 – 0.06) | 0.00 | (−0.06 – 0.07) | 0.70* | (0.52 – 0.94) | ||||
| Fair/Poor Self-Rated Health (Prior) | 0.02 | (−0.05 – 0.08) | 0.01 | (−0.05 – 0.08) | 1.26 | (0.90 – 1.76) | ||||
| Sedentary (Prior) | 0.01 | (−0.03 – 0.05) | 0.02 | (−0.03 – 0.06) | 0.80 | (0.62 – 1.03) | ||||
| Unmet Medical Need (Prior) | 0.01 | (−0.03 – 0.05) | 0.01 | (−0.03 – 0.05) | 0.95 | (0.75 – 1.21) | ||||
| Smoked During Pregnancy | −0.21*** | (−0.26 − −0.16) | −0.21*** | (−0.26 − −0.16) | 1.55** | (1.19 – 2.03) | ||||
| BMI (Prior) (Ref: Normal Weight) | ||||||||||
| Underweight | −0.09** | (−0.15 − −0.03) | −0.09** | (−0.15 − −0.03) | 1.11 | (0.74 – 1.65) | ||||
| Overweight | 0.08*** | (0.04 – 0.13) | 0.08*** | (0.04 – 0.12) | 0.81 | (0.62 – 1.06) | ||||
| Obese | 0.07** | (0.02 – 0.11) | 0.07** | (0.03 – 0.12) | 1.05 | (0.79 – 1.38) | ||||
| Missing | 0.02 | (−0.10 – 0.14) | 0.02 | (−0.10 – 0.14) | 1.32 | (0.79 – 2.19) | ||||
| Pregnancy Unintended | 0.05* | (0.01 – 0.09) | 0.04* | (0.01 – 0.08) | 0.91 | (0.72 – 1.14) | ||||
| Neighborhood Characteristics, Tracts and Deciles (Prior) | ||||||||||
| % Poverty | 0.00 | (−0.00 – 0.01) | 0.96 | (0.91 – 1.01) | ||||||
| % College Graduates | 0.00 | (−0.00 – 0.01) | 0.97 | (0.92 – 1.02) | ||||||
| % Black | −0.01** | (−0.02 − −0.00) | 1.03 | (0.99 – 1.08) | ||||||
| % Hispanic | 0.01* | (0.00 – 0.02) | 0.98 | (0.93 – 1.03) | ||||||
| % Foreign Born | 0.00 | (−0.01 – 0.01) | 1.03 | (0.97 – 1.08) | ||||||
| Constant | 3.36*** | (3.34 – 3.38) | 3.21*** | (3.08 – 3.34) | 3.26*** | (3.11 – 3.40) | 3.25*** | (3.09 – 3.41) | 0.27** | (0.10 – 0.70) |
Source: National Longitudinal Study of Adolescent to Adult Health
Notes:
*
p<.05,
**
p<.01,
***
p<.001