Predicted Probabilities of Coitus as Students Progress Through College, by Mother's Educational Attainment
	Women, Coitus				Men, Coitus				Either Sex, Coitus
	High School or Less	Some College	Bachelor's Degree	Graduate Degree	High School or Less	Some College	Bachelor's Degree	Graduate Degree	High School or Less	Some College	Bachelor's Degree	Graduate Degree
Freshman Year	0.42	0.38	0.39	0.38	0.39	0.31	0.33	0.27	0.33	0.29	0.30	0.27
Sophomore Year	0.47	0.42	0.36	0.38	0.49	0.44	0.43	0.38	0.41	0.36	0.32	0.32
Junior Year	0.45	0.44	0.43	0.46	0.36	0.43	0.44	0.34	0.35	0.37	0.36	0.35
Senior Year	0.52	0.48	0.47	0.49	0.54	0.48	0.55	0.54	0.45	0.41	0.42	0.44