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Table 4 Metal mixture effects on preterm birth stratified by race and ethnicity

From: Toxic metal mixtures in private well water and increased risk for preterm birth in North Carolina

 

Adjusteda OR (95% CI) for metal mixture within strata of race and ethnicity

White non-Hispanic

1.00 (0.98,1.02)

Black non-Hispanic

0.98 (0.96,1.00)

Hispanic

0.97 (0.94,1.01)

Asian/Pacific Islander

1.08 (0.99,1.18)

American Indian

1.19 (1.06,1.34)

Other/unknown

0.95 (0.69,1.30)

  1. aadjusted for smoking, age, education, season of conception, tract-level poverty, tract-level nitrates and nitrites