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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: Sleep Med. 2010 May;11(5):470–478. doi: 10.1016/j.sleep.2009.10.006

Figure 3.

Figure 3

Odds Ratios (ORs) of SC for Men and Women, Across Marital Status (Reference Group = Married). Except for widowed respondents, all groups reported significantly more SC than married respondents. The highest rates were for those never married or part of an unmarried couple.