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. Author manuscript; available in PMC: 2021 Jan 1.
Published in final edited form as: Behav Sleep Med. 2018 Nov 25;18(1):81–90. doi: 10.1080/15402002.2018.1545652

Table 1.

Descriptive data for NSSI and no-NSSI groups and means and standard deviations of all study measures across groups

Demographics NSSI
(n = 33)		 No NSSI
(n = 354)
Age (M, SD) 14.23 (1.03) 14.19 (1.09)
Gender
    Female 25 (64.1%) 166 (50.6%)
    Male 12 (30.8%) 160 (48.8%)
    Transgender 0 (0%) 2 (0.6%)
    Other 2 (5.2%) 0 (0%)
Ethnicity
    White 33 (8.9%) 269 (85.1%)
    Black 1 (2.7%) 9 (2.8%)
    Hispanic/Latino 0 (0%) 9 (2.8%)
    Native American 0 (0%) 2 (0.6%)
    Multi-Ethnic 1 (2.7%) 15 (4.7%)
    Other 2 (5.4%) 5 (1.6%)
Sexual Orientation
    Heterosexual/Straight 27 (69.2) 291 (90.4%)
    Gay/Lesbian 2 (5.1%) 2 (0.6%)
    Bisexual 2 (5.1%) 3 (0.9%)
    Other/Not Sure 7 (18.4%) 25 (7.8%)
Study Variables (M, SD)
Depressive Symptoms 75.90 (21.32) 48.06 (13.50)
Insomnia Symptoms 20.85 (7.44) 26.99 (5.19)
Sleep Quality 7.56 (3.70) 4.84 (2.84)