A sample of 641 married couples was recruited from Central Alberta,
Canada. The average age for men was 44.5 years; for women, 42.2 years.
The sample included 82% Caucasian, 8% Asian, 6% Black, 2% Hispanic, and
2% other. These numbers closely parallel Alberta demographics (based
on 2006 census data). The sample's denominational background included
78.7% from a variety of protestant denominations, 10% Catholic, 4.2%
atheist or agnostic, and 7% other. The sample was fairly educated, with
75.5% having at least some college education and 38.9% having a
Bachelor's degree or higher.