. Author manuscript; available in PMC: 2010 Oct 1.

Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2009 Sep 15;18(10):2661–2664. doi: 10.1158/1055-9965.EPI-09-0462

Table 3.

Adjusted odds ratios and 95% CIs for pediatric GCTs according to maternal vitamin supplementation during periods in and around pregnancy.

	Cases (n=278) n (%)^*	Controls (n=423) n (%)^*	OR^†	95% CI
Any use^‡
no	40 (14.6)	38 (9.1)	1.0	Ref.
yes	233 (85.0)	377 (90.4)	0.7	0.4-1.2
Periconception^§
no	230 (83.9)	349 (83.7)	1.0	Ref.
yes	42 (15.3)	66 (15.8)	1.1	0.7-1.7
First trimester use^‖
no	65 (23.7)	87 (20.9)	1.0	Ref.
yes	207 (75.5)	328 (78.7)	0.9	0.6-1.4

Numbers may not add to total number of cases or controls due to missing data. Percentages are based on all subjects (including those with missing data).

^†

Adjusted for child's age, sex, household income, and maternal education.

^‡

Any use during 6 months before pregnancy, 1^st trimester, 2^nd trimester, 3^rd trimester, or while nursing

^§

Any use during the six months before pregnancy and first trimester

^‖

Any use during the first trimester