Table 2.
Distribution of neighborhood-level factors included in the decomposition analysis of preterm birth among MIEHR study participants in greater Houston, Texas, 2021–2023
| All women n = 1,847 |
Black women n = 1,148 |
White women n = 699 |
|
|---|---|---|---|
| Neighborhood characteristics | |||
| ADI, median (Q1, Q3) | 100.9 (85.7, 116.5) | 110.9 (95.7, 123.4) | 85.8 (75.4, 98.9) |
| ICE <75th percentile, n (%) | 1383 (74.9) | 1047 (91.2) | 336 (48.1) |
| Low food access (%), median (Q1, Q3) | 2.13 (0.8, 5.0) | 3.3 (1.2, 6.4) | 1.3 (0.5, 3.0) |
| PM2.5 ≥75th percentile, n (%) | 461 (25.0) | 249 (21.7) | 212 (30.3) |
| Walkability index, median (Q1, Q3) | 11.2 (7.8, 14.3) | 11.3 (8.3, 14.0) | 10.3 (7.0, 15.0) |
ADI indicates Area Deprivation Index; ICE, Index of Concentration at the Extremes; Q1, first quartile; Q3, third quartile; MIEHR, Maternal and Infant Environmental Health Riskcape, PM2.5, fine particulate matter.