grade.c

grade.c (in Demographics)

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 collapses, for 1st-4th year undergrads, junior and senior together, to increase cell size in some regressions.

This variable, grade.c, is constructed using information from the variable, grade.

students (grade_c)

All Rs Female Male

Freshman 8060 35.61% 5697 36.61% 2346 33.44%

Sophomore 5891 26.03% 3972 25.53% 1897 27.04%

Junior or Senior 8683 38.36% 5891 37.86% 2773 39.52%

Missing 1497
(6.20%) – 919
(5.58%) – 445
(5.96%) –

Total 24131 100% 16479 100% 7461 100%

Freshman Sophomore Junior or Senior

5137, 3215, 2474, 2295, 0
2038, 1430, 1160, 980, 0

Freshman Sophomore Junior or Senior

3537, 2041, 1598, 1477, 0
1496, 895, 729, 615, 0

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 (grade_c)
	All Rs		Female		Male
Freshman	8060	35.61%	5697	36.61%	2346	33.44%
Sophomore	5891	26.03%	3972	25.53%	1897	27.04%
Junior or Senior	8683	38.36%	5891	37.86%	2773	39.52%
Missing	1497 (6.20%)	–	919 (5.58%)	–	445 (5.96%)	–
Total	24131	100%	16479	100%	7461	100%