Table III.

Comparison of Risky Sexual Behaviors Among Childhood Cancer Survivors and Their Siblings controlling for Age and Gender

Sexual behavior	Survivors (%)	Siblings (%)	OR (Survivor vs. Sibling) (95% CI)	p-value (GEE model)
Engaged in sexual intercourse
Yes (Outcome)	110 (35.83)	30 (30.93)	0.90 (0.53–1.53)	0.69
No	195 (63.52)	67 (69.07)
Missing	2 (0.65)	0 (0.00)
Of those sexually active
Age at first sexual intercourse (years)
<16 (Outcome)	38 (34.55)	8 (26.67)	1.56 (0.59–4.10)	0.37
≥16	72 (65.45)	21 (70.00)
Missing	0 (0.00)	1 (3.33)
Number of opposite sex partners
1 (Outcome)	43 (39.09)	11 (36.70)	0.89 (0.43–1.83)	0.74
2 or more	64 (58.18)	19 (63.30)
Missing	3 (2.73)	0 (0.00)
Used method to prevent pregnancy or STD at last intercourse
Yes (Outcome)	97 (88.18)	27 (90.00)	0.99 (0.26–3.74)	0.98
No	11 (10.00)	3 (10.00)
Missing	2 (1.82)	0 (0.00)

Note. Cancer survivor N = 307, Sibling N = 97.