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. 2004 Jul 24;329(7459):196–201. doi: 10.1136/bmj.38163.620972.AE

Table 6.

Pregnancies fathered by Gulf war veterans (n=9733) and non-Gulf war veterans (n=7006) not reporting fertility problems. Values are numbers (percentages) unless stated otherwise

Pregnancies fathered
Gulf veterans (n=15 593) Non-Gulf veterans (n=11 023) Adjusted*odds ratio (95% CI)
Planned
Yes
9968 (68.0)
7408 (71.5)
1.12 (1.05 to 1.19)
No 4700 (32.0) 2951 (28.5)
Planned pregnancies only:
Time to conception§:
<3 months
5647 (61.0)
4410 (65.5)
1.18 (1.04 to 1.34)
3-6 months
1907 (20.6)
1224 (18.2)
7-12 months
858 (9.3)
572 (8.5)
>12 months 845 (9.1) 528 (7.8)
*

Adjusted for pregnancy order, maternal age, year of conception, and service and rank at time of Gulf war. Standard errors adjusted for repeated pregnancies fathered by same participant.

Excluding 925 pregnancies reported by Gulf veterans and 664 by non-Gulf veterans with missing data.

Unplanned pregnancy as opposed to planned pregnancy in Gulf veterans relative to non-Gulf veterans.

§

Excluding 711 planned pregnancies reported by Gulf veterans and 674 by non-Gulf veterans with missing data.

More than 12 months to conception as opposed to less than 12 months to conception in Gulf veterans relative to non-Gulf veterans.