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.) 0.12 (0.32) 0.11 (0.31) 0.13 (0.34)

0 2324 88.50% 1592 89.34% 727 86.75%

1 302 11.50% 190 10.66% 111 13.25%

Missing 7
(0.27%) – 3
(0.17%) – 4
(0.48%) –

Total 2633 100% 1785 100% 842 100%

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.)	0.12 (0.32)		0.11 (0.31)		0.13 (0.34)
0	2324	88.50%	1592	89.34%	727	86.75%
1	302	11.50%	190	10.66%	111	13.25%
Missing	7 (0.27%)	–	3 (0.17%)	–	4 (0.48%)	–
Total	2633	100%	1785	100%	842	100%