did.not.know.partner.at.all

did.not.know.partner.at.all (in Hookups)

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

hookups (did_not_know_partner_at_all or h__d_n_k_p_a_a)

All Rs Female Male

Mean (Std. Dev.) 0.13 (0.34) 0.11 (0.32) 0.17 (0.38)

0 1990 86.60% 1378 88.50% 610 82.66%

1 308 13.40% 179 11.50% 128 17.34%

Missing 4
(0.17%) – 1
(0.06%) – 3
(0.40%) –

Total 2302 100% 1558 100% 741 100%

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.

hookups (did_not_know_partner_at_all or h__d_n_k_p_a_a)
	All Rs		Female		Male
Mean (Std. Dev.)	0.13 (0.34)		0.11 (0.32)		0.17 (0.38)
0	1990	86.60%	1378	88.50%	610	82.66%
1	308	13.40%	179	11.50%	128	17.34%
Missing	4 (0.17%)	–	1 (0.06%)	–	3 (0.40%)	–
Total	2302	100%	1558	100%	741	100%