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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 1.

Distribution of sample N by age, race, and gender.

Full Sample Black White

Age Decade Total Men Women Total Men Women Total Men Women
20 – 29 99 48 51 39 (39%) 17 22 60 (61%) 31 29
30 – 39 113 49 64 44 (39%) 17 27 69 (61%) 32 37
40 – 49 95 49 46 32 (34%) 18 14 63 (66%) 31 32
50 – 59 108 52 56 31 (29%) 11 20 77 (71%) 41 36
60 – 69 103 52 51 27 (26%) 9 18 76 (74%) 43 33
70 – 79 107 50 57 15 (14%) 6 9 92 (86%) 44 48
80 – 89+ 98 47 51 26 (27%) 12 14 72 (73%) 35 37
Total 723 347 376 214 (30%) 90 124 509 (70%) 257 252

Note: Percentages refer to proportion of Black/White participants within each age decade.