Means and Proportion Tests by Year of College, When Hooking Up With a Partner Who Does Not Attend the Same College

Casual Contraception in Casual Sex
Means and Proportion Tests by Year of College, When Hooking Up With a Partner Who Does Not Attend the Same College

Table 1. T-Tests for Coitus Samples by Grade, When Hooking Up With a Partner Who Does Not Attend the Same College
	Women							Men
	Year 1	Year 2	sig	Year 3	sig	Year 4	sig	Year 1	Year 2	sig	Year 3	sig	Year 4	sig

Had Unprotected Casual Sex	0.13	0.15	***	0.18	***	0.21	***	0.11	0.14	***	0.15	***	0.18	***
Year of College
Freshman Year	1.00	0.00		0.00		0.00		1.00	0.00		0.00		0.00
Sophomore Year	0.00	1.00		0.00		0.00		0.00	1.00		0.00		0.00
Junior Year	0.00	0.00		1.00		0.00		0.00	0.00		1.00		0.00
Senior Year	0.00	0.00		0.00		1.00		0.00	0.00		0.00		1.00
Mother's Educational Attainment
Mother Received a High School Education or Less	0.26	0.23	***	0.28	***	0.25	***	0.22	0.19	***	0.21	***	0.26	***
Mother Received Some College Education	0.22	0.26	^**	0.30	***	0.28	***	0.26	0.28	***	0.26	***	0.17	***
Mother Received a Bachelor's Degree	0.33	0.29	^**	0.24	***	0.28	***	0.29	0.31	***	0.31	***	0.29	***
Mother Received a Graduate Degree	0.18	0.21	^**	0.17	***	0.19	***	0.23	0.22	***	0.22	***	0.27	***
Population Density During High School
Rural	0.07	0.05	***	0.06	***	0.07	***	0.04	0.07	***	0.04	***	0.05	***
Small Town	0.30	0.24	***	0.23	***	0.21	***	0.25	0.21	***	0.20	***	0.16	***
Suburban	0.31	0.34	***	0.35	***	0.38	***	0.40	0.37	***	0.32	***	0.39	***
Medium City	0.22	0.23	***	0.23	***	0.22	***	0.20	0.23	***	0.28	***	0.29	***
Large City	0.10	0.14	***	0.13	^**	0.12	***	0.11	0.12	***	0.17	***	0.12	***
Respondent's Race
White	0.75	0.71	^**	0.70	***	0.68	***	0.78	0.64	***	0.68	***	0.65	***
Black	0.04	0.04	***	0.06	***	0.08	***	0.06	0.07	***	0.07	***	0.04	***
Hispanic	0.12	0.14	***	0.14	***	0.13	***	0.08	0.16	***	0.09	***	0.14	***
Asian	0.05	0.07	***	0.06	***	0.08	***	0.04	0.09	***	0.10	***	0.10	***
Other Race	0.04	0.04	***	0.04	***	0.04	***	0.03	0.04	***	0.05	***	0.06	***
Mixed Race	0.12	0.12	***	0.11	***	0.14	***	0.14	0.13	***	0.09	^**	0.12	***
Partner's Race
White	0.71	0.64	***	0.63	***	0.64	***	0.81	0.65	***	0.68	***	0.65	***
Black	0.06	0.08	***	0.09	***	0.10	***	0.04	0.04	***	0.04	***	0.02	^**
Hispanic	0.11	0.12	***	0.13	***	0.11	***	0.05	0.10	***	0.10	***	0.06	***
Asian	0.03	0.06	***	0.05	^**	0.05	***	0.03	0.07	***	0.09	***	0.15	***
Mixed Race	0.08	0.07	***	0.07	***	0.08	***	0.05	0.11	***	0.06	***	0.10	^**
Other or Not Indicated	0.01	0.02	***	0.03	***	0.03	^**	0.01	0.02	***	0.03	***	0.02	***
Childhood Religion
Catholic	0.46	0.47	***	0.41	^**	0.41	***	0.49	0.43	***	0.35	***	0.39	***
Jewish	0.07	0.09	***	0.06	***	0.06	***	0.10	0.09	***	0.08	***	0.04	***
Other Religion	0.16	0.15	***	0.17	***	0.20	***	0.12	0.15	***	0.15	***	0.14	***
Protestant	0.12	0.12	***	0.16	***	0.15	^**	0.12	0.15	***	0.22	***	0.18	^**
None	0.19	0.18	***	0.20	***	0.18	***	0.17	0.18	***	0.20	***	0.26	***
Immigrant	0.06	0.08	***	0.09	***	0.08	***	0.07	0.13	***	0.10	***	0.09	***
Observations	824	645	1469	650	1474	659	1483	292	267	559	223	515	185	477

Table 2. T-Tests for Condom Samples by Grade, When Hooking Up With a Partner Who Does Not Attend the Same College
	Women							Men
	Year 1	Year 2	sig	Year 3	sig	Year 4	sig	Year 1	Year 2	sig	Year 3	sig	Year 4	sig

Year of College
Freshman Year	1.00	0.00		0.00		0.00		1.00	0.00		0.00		0.00
Sophomore Year	0.00	1.00		0.00		0.00		0.00	1.00		0.00		0.00
Junior Year	0.00	0.00		1.00		0.00		0.00	0.00		1.00		0.00
Senior Year	0.00	0.00		0.00		1.00		0.00	0.00		0.00		1.00
Mother's Educational Attainment
Mother Received a High School Education or Less	0.29	0.27	***	0.28	***	0.27	***	0.24	0.23	***	0.23	***	0.27	***
Mother Received Some College Education	0.20	0.28	***	0.32	***	0.28	***	0.23	0.27	***	0.28	***	0.19	***
Mother Received a Bachelor's Degree	0.33	0.26	^**	0.23	***	0.26	***	0.32	0.32	***	0.35	***	0.31	***
Mother Received a Graduate Degree	0.17	0.19	***	0.17	***	0.19	***	0.22	0.19	***	0.14	***	0.23	***
Population Density During High School
Rural	0.05	0.05	***	0.04	***	0.06	***	0.06	0.11	***	0.05	***	0.03	***
Small Town	0.34	0.26	***	0.25	***	0.25	***	0.24	0.17	***	0.27	***	0.17	***
Suburban	0.29	0.30	***	0.32	***	0.37	***	0.42	0.43	***	0.19	***	0.41	***
Medium City	0.23	0.22	***	0.26	***	0.20	***	0.21	0.20	***	0.27	***	0.28	***
Large City	0.08	0.17	***	0.13	^**	0.11	***	0.08	0.09	***	0.22	***	0.11	***
Respondent's Race
White	0.78	0.74	***	0.74	***	0.70	***	0.83	0.62	***	0.68	***	0.65	***
Black	0.05	0.05	***	0.07	***	0.08	***	0.05	0.10	***	0.07	***	0.04	***
Hispanic	0.07	0.12	***	0.11	^**	0.12	***	0.07	0.14	^**	0.12	***	0.17	***
Asian	0.07	0.06	***	0.03	***	0.07	***	0.02	0.09	***	0.07	***	0.09	***
Other Race	0.03	0.03	***	0.05	***	0.03	***	0.03	0.05	***	0.06	***	0.06	***
Mixed Race	0.12	0.13	***	0.10	***	0.13	***	0.13	0.13	***	0.13	***	0.09	***
Partner's Race
White	0.71	0.64	***	0.62	***	0.65	***	0.85	0.62	***	0.74	***	0.68	***
Black	0.08	0.10	***	0.11	***	0.12	^**	0.05	0.05	***	0.05	***	0.02	***
Hispanic	0.07	0.10	***	0.13	***	0.10	***	0.03	0.12	***	0.09	***	0.06	***
Asian	0.04	0.04	***	0.04	***	0.05	***	0.02	0.06	^**	0.04	***	0.16	***
Mixed Race	0.10	0.10	***	0.09	***	0.08	***	0.03	0.14	***	0.07	***	0.06	***
Other or Not Indicated	0.01	0.02	***	0.02	***	0.01	***	0.03	0.01	***	0.01	***	0.03	***
Childhood Religion
Catholic	0.45	0.48	***	0.38	***	0.41	***	0.45	0.39	***	0.42	***	0.41	***
Jewish	0.06	0.08	***	0.06	***	0.04	***	0.10	0.12	***	0.06	***	0.01	***
Other Religion	0.16	0.14	***	0.20	***	0.23	***	0.09	0.17	^**	0.13	***	0.17	^**
Protestant	0.11	0.12	***	0.14	***	0.13	***	0.14	0.17	***	0.17	***	0.17	***
None	0.23	0.17	***	0.22	***	0.19	***	0.21	0.14	***	0.22	***	0.24	***
Immigrant	0.05	0.10	***	0.08	***	0.09	***	0.06	0.11	***	0.09	***	0.09	***
Observations	301	261	562	305	606	332	633	119	120	239	100	219	109	228

Table 3. Among Students Where Mother's Education = Mother Received a High School Education or Less: Means for Coitus Samples by Grade, When Hooking Up With a Partner Who Does Not Attend the Same College
	Women				Men
	Year 1	Year 2	Year 3	Year 4	Year 1	Year 2	Year 3	Year 4

Had Unprotected Casual Sex	0.13	0.22	0.16	0.22	0.09	0.22	0.15	0.18
Year of College
Freshman Year	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00
Sophomore Year	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00
Junior Year	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00
Senior Year	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00
Mother's Educational Attainment
Mother Received a High School Education or Less	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Mother Received Some College Education	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received a Bachelor's Degree	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received a Graduate Degree	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Population Density During High School
Rural	0.08	0.04	0.03	0.12	0.08	0.10	0.06	0.06
Small Town	0.34	0.20	0.22	0.21	0.31	0.14	0.23	0.14
Suburban	0.23	0.30	0.32	0.28	0.28	0.20	0.28	0.41
Medium City	0.21	0.26	0.24	0.23	0.18	0.28	0.32	0.27
Large City	0.14	0.20	0.18	0.15	0.15	0.28	0.11	0.12
Respondent's Race
White	0.60	0.50	0.52	0.53	0.62	0.34	0.47	0.49
Black	0.05	0.04	0.08	0.06	0.09	0.02	0.15	0.02
Hispanic	0.25	0.32	0.26	0.28	0.18	0.44	0.17	0.33
Asian	0.06	0.09	0.10	0.08	0.06	0.16	0.15	0.14
Other Race	0.04	0.05	0.05	0.04	0.05	0.04	0.06	0.02
Mixed Race	0.13	0.09	0.10	0.14	0.14	0.12	0.11	0.12
Partner's Race
White	0.63	0.52	0.50	0.50	0.66	0.50	0.55	0.57
Black	0.05	0.05	0.10	0.11	0.12	0.02	0.04	0.00
Hispanic	0.21	0.26	0.22	0.23	0.12	0.24	0.17	0.14
Asian	0.04	0.07	0.07	0.07	0.03	0.10	0.15	0.18
Mixed Race	0.06	0.07	0.07	0.08	0.03	0.10	0.06	0.10
Other or Not Indicated	0.02	0.02	0.03	0.02	0.03	0.04	0.02	0.00
Childhood Religion
Catholic	0.51	0.61	0.51	0.53	0.60	0.58	0.45	0.43
Jewish	0.02	0.01	0.02	0.02	0.00	0.02	0.00	0.00
Other Religion	0.17	0.17	0.21	0.25	0.20	0.20	0.19	0.12
Protestant	0.08	0.08	0.15	0.08	0.08	0.14	0.21	0.10
None	0.22	0.13	0.11	0.11	0.12	0.06	0.15	0.35
Immigrant	0.10	0.11	0.14	0.10	0.03	0.20	0.06	0.06
Observations	218	151	183	165	65	50	47	49

Table 4. Among Students Where Mother's Education = Mother Received Some College Education: Means for Coitus Samples by Grade, When Hooking Up With a Partner Who Does Not Attend the Same College
	Women				Men
	Year 1	Year 2	Year 3	Year 4	Year 1	Year 2	Year 3	Year 4

Had Unprotected Casual Sex	0.11	0.14	0.20	0.23	0.09	0.13	0.14	0.25
Year of College
Freshman Year	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00
Sophomore Year	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00
Junior Year	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00
Senior Year	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00
Mother's Educational Attainment
Mother Received a High School Education or Less	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received Some College Education	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Mother Received a Bachelor's Degree	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received a Graduate Degree	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Population Density During High School
Rural	0.06	0.08	0.08	0.03	0.08	0.05	0.05	0.06
Small Town	0.32	0.30	0.23	0.22	0.27	0.28	0.17	0.25
Suburban	0.28	0.29	0.34	0.35	0.40	0.39	0.31	0.31
Medium City	0.23	0.21	0.23	0.27	0.20	0.21	0.29	0.25
Large City	0.11	0.12	0.12	0.12	0.05	0.07	0.19	0.12
Respondent's Race
White	0.72	0.73	0.77	0.67	0.81	0.63	0.59	0.75
Black	0.06	0.03	0.05	0.11	0.07	0.13	0.10	0.00
Hispanic	0.10	0.12	0.11	0.09	0.09	0.11	0.14	0.09
Asian	0.08	0.07	0.05	0.10	0.01	0.09	0.14	0.09
Other Race	0.03	0.05	0.03	0.03	0.01	0.04	0.03	0.06
Mixed Race	0.15	0.12	0.10	0.15	0.17	0.15	0.12	0.12
Partner's Race
White	0.67	0.64	0.65	0.62	0.81	0.59	0.59	0.69
Black	0.09	0.07	0.09	0.12	0.03	0.08	0.10	0.06
Hispanic	0.11	0.12	0.11	0.11	0.05	0.05	0.08	0.06
Asian	0.04	0.06	0.06	0.04	0.03	0.09	0.14	0.09
Mixed Race	0.08	0.11	0.07	0.06	0.07	0.16	0.07	0.03
Other or Not Indicated	0.02	0.01	0.03	0.04	0.01	0.03	0.02	0.06
Childhood Religion
Catholic	0.49	0.54	0.40	0.39	0.59	0.45	0.46	0.47
Jewish	0.04	0.04	0.03	0.03	0.04	0.01	0.07	0.00
Other Religion	0.18	0.12	0.19	0.23	0.13	0.16	0.19	0.19
Protestant	0.15	0.10	0.15	0.14	0.12	0.16	0.17	0.19
None	0.14	0.19	0.23	0.21	0.12	0.21	0.12	0.16
Immigrant	0.04	0.03	0.04	0.07	0.07	0.12	0.10	0.12
Observations	185	170	197	184	75	75	59	32

Table 5. Among Students Where Mother's Education = Mother Received a Bachelor's Degree: Means for Coitus Samples by Grade, When Hooking Up With a Partner Who Does Not Attend the Same College
	Women				Men
	Year 1	Year 2	Year 3	Year 4	Year 1	Year 2	Year 3	Year 4

Had Unprotected Casual Sex	0.12	0.15	0.18	0.21	0.13	0.11	0.16	0.19
Year of College
Freshman Year	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00
Sophomore Year	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00
Junior Year	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00
Senior Year	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00
Mother's Educational Attainment
Mother Received a High School Education or Less	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received Some College Education	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received a Bachelor's Degree	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Mother Received a Graduate Degree	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Population Density During High School
Rural	0.08	0.05	0.05	0.05	0.02	0.06	0.03	0.02
Small Town	0.27	0.21	0.24	0.21	0.17	0.20	0.23	0.13
Suburban	0.34	0.40	0.39	0.43	0.47	0.43	0.35	0.41
Medium City	0.24	0.25	0.25	0.20	0.24	0.23	0.28	0.35
Large City	0.08	0.09	0.08	0.11	0.09	0.07	0.12	0.09
Respondent's Race
White	0.84	0.80	0.78	0.77	0.83	0.73	0.78	0.76
Black	0.04	0.05	0.05	0.06	0.03	0.05	0.03	0.04
Hispanic	0.05	0.08	0.09	0.08	0.06	0.10	0.06	0.06
Asian	0.03	0.05	0.03	0.05	0.03	0.10	0.06	0.09
Other Race	0.04	0.02	0.04	0.04	0.05	0.02	0.07	0.06
Mixed Race	0.11	0.12	0.10	0.11	0.15	0.08	0.06	0.09
Partner's Race
White	0.79	0.73	0.70	0.72	0.91	0.76	0.78	0.70
Black	0.05	0.07	0.07	0.08	0.01	0.04	0.01	0.02
Hispanic	0.04	0.04	0.10	0.05	0.01	0.06	0.10	0.00
Asian	0.02	0.08	0.03	0.04	0.03	0.05	0.01	0.20
Mixed Race	0.09	0.04	0.08	0.09	0.03	0.10	0.04	0.06
Other or Not Indicated	0.01	0.04	0.03	0.01	0.00	0.00	0.04	0.02
Childhood Religion
Catholic	0.43	0.40	0.39	0.38	0.42	0.37	0.33	0.30
Jewish	0.07	0.13	0.10	0.10	0.15	0.18	0.09	0.06
Other Religion	0.15	0.12	0.12	0.17	0.09	0.16	0.14	0.15
Protestant	0.15	0.16	0.14	0.17	0.16	0.19	0.17	0.28
None	0.20	0.18	0.25	0.19	0.17	0.10	0.26	0.22
Immigrant	0.04	0.08	0.09	0.08	0.07	0.10	0.12	0.07
Observations	275	186	158	185	86	83	69	54

Table 6. Among Students Where Mother's Education = Mother Received a Graduate Degree: Means for Coitus Samples by Grade, When Hooking Up With a Partner Who Does Not Attend the Same College
	Women				Men
	Year 1	Year 2	Year 3	Year 4	Year 1	Year 2	Year 3	Year 4

Had Unprotected Casual Sex	0.14	0.11	0.17	0.18	0.14	0.14	0.15	0.12
Year of College
Freshman Year	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00
Sophomore Year	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00
Junior Year	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00
Senior Year	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00
Mother's Educational Attainment
Mother Received a High School Education or Less	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received Some College Education	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received a Bachelor's Degree	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received a Graduate Degree	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Population Density During High School
Rural	0.02	0.03	0.07	0.07	0.00	0.08	0.00	0.06
Small Town	0.26	0.25	0.20	0.18	0.26	0.17	0.15	0.14
Suburban	0.41	0.37	0.38	0.46	0.45	0.41	0.33	0.40
Medium City	0.22	0.20	0.21	0.18	0.15	0.22	0.25	0.26
Large City	0.09	0.16	0.14	0.10	0.14	0.12	0.27	0.14
Respondent's Race
White	0.86	0.79	0.75	0.74	0.85	0.76	0.85	0.64
Black	0.01	0.04	0.06	0.08	0.06	0.07	0.02	0.10
Hispanic	0.06	0.07	0.06	0.05	0.00	0.10	0.02	0.08
Asian	0.04	0.05	0.06	0.09	0.08	0.02	0.06	0.08
Other Race	0.03	0.04	0.06	0.04	0.02	0.05	0.04	0.10
Mixed Race	0.11	0.14	0.15	0.14	0.09	0.17	0.08	0.14
Partner's Race
White	0.77	0.67	0.71	0.71	0.82	0.71	0.75	0.66
Black	0.05	0.12	0.10	0.09	0.03	0.00	0.00	0.00
Hispanic	0.08	0.07	0.05	0.05	0.02	0.12	0.06	0.06
Asian	0.02	0.03	0.04	0.03	0.05	0.07	0.08	0.10
Mixed Race	0.08	0.09	0.09	0.09	0.08	0.08	0.08	0.18
Other or Not Indicated	0.00	0.02	0.02	0.03	0.02	0.02	0.02	0.00
Childhood Religion
Catholic	0.43	0.30	0.31	0.31	0.35	0.34	0.17	0.40
Jewish	0.17	0.17	0.10	0.13	0.20	0.12	0.15	0.08
Other Religion	0.12	0.20	0.14	0.15	0.06	0.10	0.08	0.10
Protestant	0.05	0.15	0.22	0.20	0.12	0.07	0.33	0.14
None	0.22	0.19	0.22	0.21	0.27	0.37	0.27	0.28
Immigrant	0.08	0.12	0.10	0.08	0.09	0.12	0.10	0.10
Observations	146	138	112	125	66	59	48	50

Table 7. Among Students Where Mother's Education = Mother Received a High School Education or Less: Means for Condom Samples by Grade, When Hooking Up With a Partner Who Does Not Attend the Same College
	Women				Men
	Year 1	Year 2	Year 3	Year 4	Year 1	Year 2	Year 3	Year 4

Year of College
Freshman Year	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00
Sophomore Year	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00
Junior Year	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00
Senior Year	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00
Mother's Educational Attainment
Mother Received a High School Education or Less	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Mother Received Some College Education	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received a Bachelor's Degree	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received a Graduate Degree	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Population Density During High School
Rural	0.08	0.04	0.01	0.11	0.04	0.19	0.04	0.00
Small Town	0.38	0.23	0.26	0.28	0.32	0.07	0.35	0.10
Suburban	0.16	0.29	0.28	0.24	0.32	0.30	0.17	0.38
Medium City	0.25	0.23	0.30	0.23	0.21	0.22	0.26	0.34
Large City	0.14	0.21	0.15	0.13	0.11	0.22	0.17	0.17
Respondent's Race
White	0.68	0.56	0.53	0.60	0.68	0.30	0.48	0.48
Black	0.06	0.06	0.10	0.07	0.07	0.04	0.13	0.03
Hispanic	0.14	0.27	0.27	0.23	0.18	0.41	0.17	0.41
Asian	0.08	0.09	0.05	0.07	0.00	0.19	0.13	0.07
Other Race	0.05	0.03	0.05	0.03	0.07	0.07	0.09	0.00
Mixed Race	0.09	0.09	0.05	0.19	0.18	0.11	0.17	0.14
Partner's Race
White	0.61	0.50	0.43	0.56	0.71	0.41	0.61	0.59
Black	0.08	0.06	0.15	0.10	0.07	0.04	0.00	0.00
Hispanic	0.12	0.23	0.27	0.18	0.07	0.30	0.17	0.17
Asian	0.07	0.09	0.06	0.08	0.04	0.15	0.09	0.14
Mixed Race	0.09	0.10	0.07	0.09	0.04	0.07	0.09	0.10
Other or Not Indicated	0.02	0.03	0.02	0.00	0.07	0.04	0.04	0.00
Childhood Religion
Catholic	0.45	0.57	0.45	0.48	0.64	0.52	0.48	0.48
Jewish	0.03	0.03	0.03	0.01	0.00	0.04	0.00	0.00
Other Religion	0.20	0.16	0.27	0.29	0.11	0.30	0.17	0.14
Protestant	0.08	0.09	0.10	0.12	0.07	0.11	0.22	0.07
None	0.23	0.16	0.14	0.10	0.18	0.04	0.13	0.31
Immigrant	0.03	0.14	0.15	0.11	0.00	0.22	0.04	0.10
Observations	88	70	86	90	28	27	23	29

Table 8. Among Students Where Mother's Education = Mother Received Some College Education: Means for Condom Samples by Grade, When Hooking Up With a Partner Who Does Not Attend the Same College
	Women				Men
	Year 1	Year 2	Year 3	Year 4	Year 1	Year 2	Year 3	Year 4

Year of College
Freshman Year	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00
Sophomore Year	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00
Junior Year	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00
Senior Year	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00
Mother's Educational Attainment
Mother Received a High School Education or Less	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received Some College Education	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Mother Received a Bachelor's Degree	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received a Graduate Degree	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Population Density During High School
Rural	0.03	0.04	0.05	0.04	0.15	0.06	0.07	0.10
Small Town	0.34	0.35	0.24	0.26	0.22	0.25	0.18	0.29
Suburban	0.36	0.25	0.30	0.36	0.41	0.44	0.18	0.38
Medium City	0.18	0.22	0.27	0.21	0.15	0.22	0.29	0.14
Large City	0.08	0.14	0.14	0.13	0.07	0.03	0.29	0.10
Respondent's Race
White	0.72	0.85	0.79	0.70	0.85	0.72	0.61	0.81
Black	0.10	0.01	0.05	0.14	0.04	0.16	0.11	0.00
Hispanic	0.05	0.04	0.07	0.08	0.07	0.03	0.21	0.05
Asian	0.11	0.06	0.04	0.08	0.04	0.06	0.07	0.05
Other Race	0.02	0.04	0.04	0.01	0.00	0.03	0.00	0.10
Mixed Race	0.16	0.17	0.11	0.11	0.11	0.16	0.14	0.14
Partner's Race
White	0.67	0.69	0.65	0.62	0.81	0.59	0.61	0.67
Black	0.08	0.07	0.11	0.16	0.04	0.12	0.14	0.10
Hispanic	0.07	0.10	0.08	0.11	0.04	0.03	0.11	0.00
Asian	0.03	0.03	0.03	0.02	0.04	0.03	0.04	0.10
Mixed Race	0.13	0.10	0.10	0.05	0.07	0.22	0.11	0.05
Other or Not Indicated	0.02	0.01	0.02	0.03	0.00	0.00	0.00	0.10
Childhood Religion
Catholic	0.46	0.51	0.40	0.37	0.56	0.44	0.61	0.48
Jewish	0.02	0.07	0.04	0.02	0.04	0.03	0.04	0.00
Other Religion	0.21	0.11	0.21	0.24	0.22	0.16	0.18	0.19
Protestant	0.15	0.11	0.16	0.14	0.11	0.25	0.14	0.14
None	0.16	0.19	0.19	0.23	0.07	0.12	0.04	0.19
Immigrant	0.08	0.01	0.04	0.07	0.07	0.12	0.11	0.10
Observations	61	72	97	92	27	32	28	21

Table 9. Among Students Where Mother's Education = Mother Received a Bachelor's Degree: Means for Condom Samples by Grade, When Hooking Up With a Partner Who Does Not Attend the Same College
	Women				Men
	Year 1	Year 2	Year 3	Year 4	Year 1	Year 2	Year 3	Year 4

Year of College
Freshman Year	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00
Sophomore Year	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00
Junior Year	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00
Senior Year	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00
Mother's Educational Attainment
Mother Received a High School Education or Less	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received Some College Education	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received a Bachelor's Degree	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Mother Received a Graduate Degree	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Population Density During High School
Rural	0.06	0.06	0.04	0.07	0.05	0.08	0.06	0.00
Small Town	0.35	0.19	0.27	0.20	0.18	0.18	0.31	0.15
Suburban	0.29	0.42	0.39	0.48	0.45	0.45	0.23	0.41
Medium City	0.24	0.22	0.23	0.19	0.29	0.24	0.23	0.32
Large City	0.06	0.12	0.07	0.07	0.03	0.05	0.17	0.12
Respondent's Race
White	0.87	0.80	0.87	0.80	0.89	0.66	0.83	0.74
Black	0.04	0.07	0.06	0.03	0.03	0.11	0.03	0.03
Hispanic	0.05	0.07	0.04	0.09	0.03	0.11	0.06	0.06
Asian	0.03	0.04	0.00	0.03	0.03	0.08	0.03	0.12
Other Race	0.01	0.01	0.03	0.03	0.03	0.05	0.06	0.06
Mixed Race	0.11	0.14	0.11	0.13	0.16	0.13	0.09	0.03
Partner's Race
White	0.83	0.68	0.75	0.71	0.97	0.74	0.86	0.74
Black	0.05	0.12	0.04	0.10	0.03	0.03	0.03	0.00
Hispanic	0.02	0.01	0.10	0.05	0.00	0.11	0.06	0.00
Asian	0.02	0.04	0.00	0.06	0.00	0.03	0.00	0.18
Mixed Race	0.08	0.10	0.10	0.08	0.00	0.11	0.06	0.06
Other or Not Indicated	0.00	0.04	0.01	0.00	0.00	0.00	0.00	0.03
Childhood Religion
Catholic	0.45	0.45	0.35	0.41	0.37	0.29	0.37	0.32
Jewish	0.05	0.12	0.10	0.08	0.13	0.29	0.11	0.00
Other Religion	0.10	0.12	0.11	0.20	0.05	0.16	0.11	0.24
Protestant	0.15	0.16	0.13	0.09	0.24	0.18	0.14	0.24
None	0.25	0.16	0.31	0.22	0.21	0.08	0.26	0.21
Immigrant	0.03	0.07	0.06	0.08	0.08	0.05	0.09	0.09
Observations	100	69	71	86	38	38	35	34

Table 10. Among Students Where Mother's Education = Mother Received a Graduate Degree: Means for Condom Samples by Grade, When Hooking Up With a Partner Who Does Not Attend the Same College
	Women				Men
	Year 1	Year 2	Year 3	Year 4	Year 1	Year 2	Year 3	Year 4

Year of College
Freshman Year	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00
Sophomore Year	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00
Junior Year	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00
Senior Year	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00
Mother's Educational Attainment
Mother Received a High School Education or Less	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received Some College Education	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received a Bachelor's Degree	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Mother Received a Graduate Degree	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Population Density During High School
Rural	0.02	0.06	0.06	0.02	0.00	0.13	0.00	0.04
Small Town	0.27	0.28	0.25	0.28	0.23	0.13	0.21	0.20
Suburban	0.42	0.22	0.33	0.44	0.50	0.57	0.14	0.48
Medium City	0.25	0.20	0.20	0.16	0.15	0.09	0.36	0.24
Large City	0.04	0.24	0.16	0.11	0.12	0.09	0.29	0.04
Respondent's Race
White	0.87	0.78	0.82	0.73	0.88	0.78	0.79	0.60
Black	0.02	0.04	0.08	0.06	0.08	0.09	0.00	0.08
Hispanic	0.02	0.10	0.00	0.06	0.00	0.04	0.00	0.12
Asian	0.06	0.06	0.02	0.11	0.00	0.04	0.07	0.12
Other Race	0.04	0.02	0.08	0.03	0.04	0.04	0.14	0.08
Mixed Race	0.15	0.14	0.18	0.08	0.08	0.13	0.14	0.08
Partner's Race
White	0.67	0.72	0.69	0.77	0.85	0.70	0.93	0.72
Black	0.12	0.16	0.12	0.09	0.08	0.00	0.00	0.00
Hispanic	0.10	0.02	0.02	0.03	0.00	0.09	0.00	0.04
Asian	0.02	0.00	0.06	0.03	0.00	0.04	0.07	0.20
Mixed Race	0.10	0.10	0.10	0.08	0.04	0.17	0.00	0.04
Other or Not Indicated	0.00	0.00	0.02	0.00	0.04	0.00	0.00	0.00
Childhood Religion
Catholic	0.40	0.34	0.27	0.38	0.27	0.35	0.07	0.40
Jewish	0.15	0.14	0.06	0.05	0.23	0.09	0.07	0.04
Other Religion	0.15	0.20	0.20	0.20	0.00	0.04	0.00	0.08
Protestant	0.04	0.14	0.16	0.17	0.12	0.13	0.21	0.24
None	0.25	0.18	0.31	0.20	0.38	0.39	0.64	0.24
Immigrant	0.08	0.18	0.04	0.11	0.08	0.04	0.14	0.08
Observations	52	50	51	64	26	23	14	25