Together, these restrictions yield
a final analytic sample of 4,645 respondents (4,322 married and 323 widowed persons).
(
Our final analytic sample was 847 after the scores of 19 students were removed for technical reasons — for instance, because the students did not complete the exam or their scores showed evidence of low effort.)
ACS and mPINC data were linked by zip codes; of the 2,727 facilities that participated in the 2011 mPINC survey, 84 (3 %) facilities were missing zip code level racial data in ACS, resulting in
a final analytic sample of 2,643 facilities.