. Author manuscript; available in PMC: 2020 Aug 1.

Published in final edited form as: Occup Environ Med. 2019 May 28;76(8):527–529. doi: 10.1136/oemed-2019-105738

Table 1.

Parental Occupational Exposure to Benzene and Risk of Childhood Acute Lymphoblastic Leukemia Among Children born 1968–1974

	N Exposed/total cases	N Exposed/total controls	Crude OR	Adjusted OR^a (95% CI)	Adjusted OR^b (95% CI)
Father’s occupations in 3 months preconception
Any occupation with benzene exposure	22/217 (10.1%)	400/5233 (6.7%)	1.42 (0.89, 2.24)	1.42 (0.90, 2.25)	1.40 (0.88, 2.22)
Mother’s occupations during pregnancy
Any occupation with benzene exposure	11/169 (6.5%)	112/3905 (2.9%)	2.28 (1.18, 4.39)	2.31 (1.19, 4.63)	2.28 (1.17, 4.41)

^a.

Adjusted for maternal and paternal age

^b.

Adjusted for maternal and paternal age and family socioeconomic status

OR, Odds Ratio; CI, Confidence Interval.