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. Author manuscript; available in PMC: 2019 Dec 1.
Published in final edited form as: Sleep Med. 2018 Sep 6;52:58–66. doi: 10.1016/j.sleep.2018.08.014

Table 2.

Descriptive statistics for demographic characteristics by sleep subgroup (N = 723).

Good Sleep Poor Sleep
No Complaint
(n = 384)		 Complaint
(n = 84)		 No Complaint
(n = 105)		 Complaint
(n = 150)
Gender, n (%)
 Male
 Female
210 (54.7%)
174 (45.3%)
36 (42.9%)
48 (57.1%)
41 (39.0%)
64 (61.0 %)
60 (40.0%)
90 (60.0%)
Race, n (%)
 White
 Black
288 (75.0%)
96 (25.0%)
63 (75.0%)
21 (25.0%)
50 (47.6%)
55 (52.4%)
108 (72.0%)
42 (28.0%)
Age, M (SEM) 50.4 (0.97) 54.5 (2.00) 55.8 (2.04) 61.5 (1.61)