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

This dichotomizes on.campus.hookup.opportunities.

This variable, on.campus.hookup.opportunities_r, is constructed using information from the variable, on.campus.hookup.opportunities.

students (o_c_h_o_r)

All Rs Female Male

Mean (Std. Dev.) 0.27 (0.44) 0.18 (0.38) 0.48 (0.50)

0 17094 72.84% 13264 82.47% 3765 51.65%

1 6373 27.16% 2819 17.53% 3525 48.35%

Missing 664
(2.75%) – 396
(2.40%) – 171
(2.29%) –

Total 24131 100% 16479 100% 7461 100%

Negative (no/false) Positive (yes/true)

5005, 3141, 2427, 2245, 348
2000, 1393, 1137, 966, 212

Negative (no/false) Positive (yes/true)

3468, 2011, 1574, 1452, 213
1470, 867, 716, 608, 128

These graphs reflect only undergraduates attending 4-year colleges who are of normative age -- 18, 19, 20, 21, or 22, +/- 1, for freshman, sophomores, juniors, seniors, and later undergraduates, respectively. Solid lines represent women. Dotted lines represent men.

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students (o_c_h_o_r)
	All Rs		Female		Male
Mean (Std. Dev.)	0.27 (0.44)		0.18 (0.38)		0.48 (0.50)
0	17094	72.84%	13264	82.47%	3765	51.65%
1	6373	27.16%	2819	17.53%	3525	48.35%
Missing	664 (2.75%)	–	396 (2.40%)	–	171 (2.29%)	–
Total	24131	100%	16479	100%	7461	100%