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Table 3 Relation between water arsenic concentrations† and combined endpoint of GDM or glucose intolerance (pooled), stratified by pre-pregnancy BMI

From: Maternal arsenic exposure and gestational diabetes and glucose intolerance in the New Hampshire birth cohort study

Pre-pregnancy BMI

Non-cases

Cases

% Cases‡

OR (95 % CI)

Underweight to Normal (<25)

388

32

8.2

0.9 (0.8, 1.2)

Overweight (25–29.99)

157

25

15.9

1.0 (0.8, 1.2)

Obese (≥30)

118

33

28.0

1.7 (1.0, 2.8)**

  1. Combined outcome variable was coded a dichotomous variable (0 = normal or 1 = GDM or intolerant). Models were adjusted for enrollment age, education, smoking during pregnancy, secondhand smoke exposure during pregnancy, weight gain and gestational week of glucose testing. †Per 5 μg/L increase in water As; ‡Represents the percent of total cases within each BMI category; **p <0.05
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Environmental Health

ISSN: 1476-069X