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Table 3 Covariate-adjusted odds ratios for spontaneous pregnancy loss in association with continuous iAs exposure (n = 300)

From: Consumption of low-moderate level arsenic contaminated water does not increase spontaneous pregnancy loss: a case control study

Predictor

ORa

95% CI

Average iAs (μg/L)b,c

0.98

0.96, 1.01

Age

1.05

1.00, 1.10

Smoking

1.02

0.98, 1.06

High School

1.24

0.62, 2.47

University

0.94

0.47, 1.91

Prenatal vitamins

0.43

0.25, 0.74

Peak iAs (μg/L)c,d

0.98

0.96, 1.01

Age

1.05

1.00, 1.10

Smoking

1.02

0.98, 1.06

High School

1.23

0.62, 2.46

University

0.96

0.47, 1.93

Prenatal vitamins

0.43

0.25, 0.74

Daily iAs (μg/day)c,e

1.00

0.98, 1.02

Age

1.05

1.01, 1.10

Smoking

1.02

0.98, 1.06

High School

1.25

0.63, 2.49

University

1.00

0.49, 2.03

Prenatal vitamins

0.44

0.25, 0.75

  1. aLogistic regression models conditioned on gestational age (weeks) and adjusted for maternal age (years), cigarette smoking during pregnancy (average daily cigarettes), education (<High School, High School, University) and prenatal vitamin use (no/yes); bmean iAs level measured in up to two residential drinking water sources; cn = 2 influential observations excluded; dthe highest iAs level measured in up to two residential drinking water sources; eproduct of ‘daily water consumption’ multiplied by ‘average iAs.’
  2. iAs, inorganic arsenic; CI, confidence interval; OR, odds ratio.
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Environmental Health

ISSN: 1476-069X