Table 3.

Comparison between cases and controls regarding age at marriage, menarche, menopause, and first pregnancy

	Cases, mean ± SD	Controls, mean ± SD	P
Age at marriage	20.12 + 5.11	18.45 + 4.49	0.006
Age at menarche	13.13 + 1.24	13.42 + 1.42	0.593
Age at menopause	45.81 + 6.04	48.31 + 4.56	0.04
Age at first pregnancy	21.07 ± 5.02	21.56 ± 18.61	0.77

SD = Standard deviation.