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. Author manuscript; available in PMC: 2008 Sep 1.
Published in final edited form as: Biol Psychol. 2007 Jun 28;76(1-2):61–71. doi: 10.1016/j.biopsycho.2007.06.002

Table 1.

Demographic Characteristics of the Sample

Couple
Male Partner Female Partner
Age M (SD) 19.12 (.78) 19.36 (.77)
Ethnicity
 Asian/Pacific Island 6% 4%
 African American 2% .5%
 Latino 4.5% 4%
 Caucasian 84% 90%
 Other 3.5% 1.5%
Parents' Education (mother, father)
 High school 24%, 24% 20%, 22%
 College 52%, 46% 50%, 41%
 Graduate School 24%, 30% 30%, 37%
Parents' Work (mother, father)
 Unemployed 12%, 6% 9%, 5%
 Part-time 11%, 1% 13%, 5%
 Full-time 59%, 71% 53%, 70%
 Retired/other 18%, 22%% 25%, 20%
Participant Education
 High school .5% 1%
 Part college 96% 96%
 2-Year college degree 3.5% 3%
Relationship Status
 Dating, nonexclusive 4.5%
 Dating, exclusive 48.3%
 Long-term, committed relationship 46.7%
 Engaged .5%
Relationship Length
 2-6 months 26%
 7-12 months 19.5%
 1-2 years 36%
 2-3 years 9.5%
 > 3 years 9%