Table 2.
Neighborhood deprivation index in quartiles | Unadjusted OR | 95 CI | Adjusted for maternal education | 95 CI | Adjusted for all covariates* | 95 CI |
---|---|---|---|---|---|---|
Delivery <32 weeks | ||||||
Q1 | 1.00 | 1.00 | 1.00 | |||
Q2 | 1.41 | (1.27, 1.56) | 1.30 | (1.17, 1.44) | 1.14 | (1.04, 1.24) |
Q3 | 1.73 | (1.56, 1.92) | 1.57 | (1.41, 1.75) | 1.21 | (1.11, 1.33) |
Q4 | 1.99 | (1.80, 2.19) | 1.79 | (1.61, 1.98) | 1.24 | (1.13, 1.36) |
Delivery 32–36 weeks | ||||||
Q1 | 1.00 | 1.00 | 1.00 | |||
Q2 | 1.12 | (1.07, 1.17) | 1.07 | (1.02, 1.12) | 1.01 | (0.97, 1.05) |
Q3 | 1.26 | (1.20, 1.32) | 1.18 | (1.13, 1.24) | 1.05 | (1.01, 1.10) |
Q4 | 1.37 | (1.30, 1.44) | 1.27 | (1.21, 1.34) | 1.06 | (1.01, 1.11) |
Term Low Birth Weight** | ||||||
Q1 | 1.00 | 1.00 | 1.00 | |||
Q2 | 1.30 | (1.22, 1.38) | 1.22 | (1.15, 1.30) | 1.14 | (1.07, 1.21) |
Q3 | 1.32 | (1.24, 1.40) | 1.19 | (1.12, 1.28) | 1.09 | (1.02, 1.16) |
Q4 | 1.55 | (1.45, 1.65) | 1.37 | (1.28, 1.47) | 1.19 | (1.11, 1.27) |
Adjusted for maternal age, maternal education, parity, ethnicity, nativity, and smoking during pregnancy; Term low birthweight model additionally adjusted for pre-pregnancy weight
Analysis restricted to term births (n=454,677)