on.campus.hookup.opportunities

on.campus.hookup.opportunities_r (in Attitudes)

Variable Summary	Undergrad	Freshman	Sophomore	Junior	Senior
*Sexually active students:*	Undergrad	Freshman	Sophomore	Junior	Senior
Casual-sexually active students:	Undergrad	Freshman	Sophomore	Junior	Senior

students (o_c_h_o_r)

All Rs Female Male

Mean (Std. Dev.) 0.25 (0.44) 0.16 (0.36) 0.49 (0.50)

0 9833 74.54% 7848 84.22% 1965 51.12%

1 3359 25.46% 1471 15.78% 1879 48.88%

Missing 180
(1.35%) – 128
(1.35%) – 51
(1.31%) –

Total 13372 100% 9447 100% 3895 100%

These tables reflect only undergraduates attending 4-year colleges who are of normative age -- 18, 19, 20, 21, or 22, +/- 1, for freshman, sophomores, juniors, and seniors, respectively.

students (o_c_h_o_r)
	All Rs		Female		Male
Mean (Std. Dev.)	0.25 (0.44)		0.16 (0.36)		0.49 (0.50)
0	9833	74.54%	7848	84.22%	1965	51.12%
1	3359	25.46%	1471	15.78%	1879	48.88%
Missing	180 (1.35%)	–	128 (1.35%)	–	51 (1.31%)	–
Total	13372	100%	9447	100%	3895	100%