Table 2. Multivariate Linear Regression of Birth Weight and Proximity.
| Model | Unstandardized Coefficients | Standardized Coefficients | t | Significance (P) | |
|---|---|---|---|---|---|
| B | Standard Error | Beta | |||
| Constant | -3711.86 | 93.06 | -39.88 | <0.01 | |
| Mother’s Age | -2.95 | 0.77 | -0.03 | -3.82 | <0.01 |
| Mother’s Education | 17.88 | 2.72 | 0.05 | 6.58 | <0.01 |
| Pre-Pregnancy Weight | 2.01 | 0.09 | 0.15 | 23.37 | <0.01 |
| Gestational Age | 172.64 | 1.97 | 0.56 | 87.51 | <0.01 |
| Female | -133.90 | 6.63 | -0.12 | -20.19 | <0.01 |
| Prenatal Care | 127.07 | 51.53 | 0.02 | 2.47 | 0.01 |
| Smoking During Pregnancy | -184.69 | 9.07 | -0.14 | -20.37 | <0.01 |
| Gestational Diabetes | 33.57 | 16.82 | 0.01 | 2.00 | 0.05 |
| WIC | -27.44 | 8.62 | -0.02 | -3.18 | <0.01 |
| Race | -146.22 | 19.88 | -0.05 | -7.36 | <0.01 |
| Birth parity | 65.89 | 4.01 | 0.12 | 16.41 | <0.01 |
| Low a | 10.55 | 9.52 | 0.01 | 1.11 | 0.27 |
| Medium a | -0.48 | 9.59 | 0.00 | -0.05 | 0.96 |
| High a | -21.83 | 9.39 | -0.02 | -2.32 | 0.02 |
aLow, Second quartile to referent; Medium, Third quartile to referent; High, Fourth quartile to referent.