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.) 0.11 (0.31) 0.10 (0.30) 0.13 (0.33)

0 1889 89.36% 1320 90.23% 565 87.33%

1 225 10.64% 143 9.77% 82 12.67%

Missing 5
(0.24%) – 3
(0.20%) – 2
(0.31%) –

Total 2119 100% 1466 100% 649 100%

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.)	0.11 (0.31)		0.10 (0.30)		0.13 (0.33)
0	1889	89.36%	1320	90.23%	565	87.33%
1	225	10.64%	143	9.77%	82	12.67%
Missing	5 (0.24%)	–	3 (0.20%)	–	2 (0.31%)	–
Total	2119	100%	1466	100%	649	100%