you.performed.oral.sex

you.performed.oral.sex (in Sexual History, Dating, Hookups and Relationships)

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 (ever..you.performed.oral.sex) (ever__you_performed_oral_sex)

All Rs Female Male

Mean (Std. Dev.) 0.92 (0.27) 0.93 (0.26) 0.90 (0.30)

0 150 7.99% 89 7.05% 60 9.80%

1 1728 92.01% 1173 92.95% 552 90.20%

Missing 0
(0.00%) – 0
(0.00%) – 0
(0.00%) –

Total 1878 100% 1262 100% 612 100%

hookups (you_performed_oral_sex or hookup__you_performed_oral_sex)

All Rs Female Male

Mean (Std. Dev.) 0.32 (0.47) 0.33 (0.47) 0.30 (0.46)

0 1144 67.61% 756 66.61% 388 70.04%

1 548 32.39% 379 33.39% 166 29.96%

Missing 0
(0.00%) – 0
(0.00%) – 0
(0.00%) –

Total 1692 100% 1135 100% 554 100%

dates (you_performed_oral_sex or date__you_performed_oral_sex)

All Rs Female Male

Mean (Std. Dev.) 0.19 (0.39) 0.18 (0.38) 0.21 (0.41)

0 1254 81.06% 844 82.10% 406 78.83%

1 293 18.94% 184 17.90% 109 21.17%

Missing 0
(0.00%) – 0
(0.00%) – 0
(0.00%) –

Total 1547 100% 1028 100% 515 100%

romances (you_performed_oral_sex or r__y_p_o_s)

All Rs Female Male

Mean (Std. Dev.) 0.66 (0.47) 0.67 (0.47) 0.64 (0.48)

0 425 34.00% 297 33.15% 125 35.61%

1 825 66.00% 599 66.85% 226 64.39%

Missing 5
(0.40%) – 2
(0.22%) – 3
(0.85%) –

Total 1255 100% 898 100% 354 100%

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 (ever..you.performed.oral.sex) (ever__you_performed_oral_sex)
	All Rs		Female		Male
Mean (Std. Dev.)	0.92 (0.27)		0.93 (0.26)		0.90 (0.30)
0	150	7.99%	89	7.05%	60	9.80%
1	1728	92.01%	1173	92.95%	552	90.20%
Missing	0 (0.00%)	–	0 (0.00%)	–	0 (0.00%)	–
Total	1878	100%	1262	100%	612	100%