Table 3.

Descriptive statistics of siblings of straight and gay men

	Sexual orientation
	Straight			Gay
	Na	M	SD	Na	M	SD
Maternal younger brothers	843	0.43	0.71	698	0.35	0.66
Maternal older brothers	843	0.30	0.63	698	0.41	0.68
Maternal younger sisters	843	0.38	0.62	698	0.26	0.55
Maternal older sisters	843	0.31	0.63	698	0.34	0.67
Nonmaternal younger brothers	843	0.11	0.46	698	0.11	0.42
Nonmaternal older brothers	843	0.07	0.32	698	0.08	0.34
Nonmaternal younger sisters	843	0.09	0.35	698	0.07	0.30
Nonmaternal older sisters	843	0.07	0.29	698	0.10	0.35

^aThere were no missing values in any of the variables