Skip to main content

Table 2 Prevalence of preterm birth at less than 35 weeks and less than 32 weeks of gestation according to quartile of county-level poverty

From: Area-level poverty and preterm birth risk: A population-based multilevel analysis

County Poverty Rate Reference 1st quartile 2nd quartile 3rd quartile Highest Poverty 4th quartile p value
Total 92,072 196,672 170,701 175,549  
PTB (< 35 wk) 2,551 (2.77%) 6,684 (3.40%) 6,671 (3.91%) 8,584 (4.89%) < 0.0001
PTB (< 32 wk) 893 (0.97%) 2,521 (1.28%) 2,646 (1.55%) 3,402 (1.94%) < 0.0001