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. Author manuscript; available in PMC: 2011 Feb 1.
Published in final edited form as: J Occup Environ Med. 2010 Feb;52(2):137–143. doi: 10.1097/JOM.0b013e3181cb59bc

Table 2.

Description of the Pregnancies (N, SD for Continuous Variables and N, % for Categorical Variables)

Male Female
Before
Employment
(N=414)
During
Employment
(N=321)
Before
Employment
(N=116)
During
Employment
(N=68)
Age at conception 26.7 3.8 29.5 4.3 25.5 4.9 31 4.5
Number of pregnancies 2.1 0.9 2.3 1 2.4 1 2.5 1.3
Health problems during pregnancy
Hypertension 13 3.1 6 1.9 2 1.7 2 2.9
Diabetes 11 2.7 20 6.2 1 0.9 3 4.4
Pre-eclampsia or eclampsia 9 2.2 8 2.5 1 0.9 1 1.5
Thyroid disorder 5 1.2 9 2.8 1 0.9 0 0
Systemic lupus 0 0 0 0 0 0 0 0
Other medical condition 22 5.3 32 10 8 6.9 12 17.6
Smoking during pregnancy 87 21 34 10.6 30 25.9 6 8.8
Cigarettes smoked 14.1 6.1 12.6 6 13.4 5.7 9.3 4.5
Drinking during pregnancy 22 5.3 9 2.8 6 5.2 3 4.4
Drinks consumed 2.7 2.4 4.7 6.8 2.3 4.8 0.7 1.2