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. Author manuscript; available in PMC: 2021 Mar 1.
Published in final edited form as: J Psychiatr Res. 2019 Dec 13;122:64–69. doi: 10.1016/j.jpsychires.2019.12.007

Table 1.

Baseline characteristics of the full sample, LGBT participants, and Non-LGBT participants

Full Sample LGBT Non-LGBT
Characteristic (N=285) (n=119) (n=166) p-valuea Effect Sizeb
Gender nonconformityc 16.5 (3.8) 17.6 (4.1) 15.7 (3.5) <.001 .51
Victimizationd 17.3 (30.0) 22.2 (34.3) 13.8 (25.9) .02 .28
Hopelessnesse 14.9 (4.3) 15.5 (4.4) 14.4 (4.2) .03 .26
Internalizing symptomsf 8.0 (3.0) 8.7 (2.9) 7.5 (3.0) .001 .41
Alcohol use 1.9 (2.5) 1.9 (2.6) 1.9 (2.4) .655 .00
Previous ED visits 100 (35.1) 55 (46.2) 45 (27.1) .001 .20
Previous hospitalizations 103 (36.1) 53 (44.5) 50 (30.1) .01 .12
Past week suicide ideation severityg 3.0 (1.6) 3.4 (1.1) 3.3 (1.2) .13 .09
 Ideation with intenth 79 (27.7) 34 (29.4) 44 (26.5) .59 .03
 Frequencyi 2.5 (1.9) 2.9 (1.8) 2.3 (2.0) .01 .32
 Durationj 1.9 (1.6) 2.1 (1.5) 1.8 (1.6) .13 .19
Lifetime suicidal behavior 149 (51.3) 68 (57.1) 81 (48.8) .16 .08
 Lifetime suicide attempts 102 (35.8) 49 (41.2) 53 (31.9) .11 .10
 Number of attempts 2.3 (2.6) 2.2 (1.9) 2.5 (3.1) .58 .12
 Highly lethal method 30 (10.5) 15 (12.6) 15 (9.0) .33 .06
 Past month attempts 36 (12.6) 17 (14.3) 19 (11.4) .48 .04
Lifetime NSSI 193 (67.7) 94 (79.0) 99 (59.6) < .001 .20
 Lifetime episodes 33.4 (36.0) 40.2 (38.5) 27.0 (32.4) .01 .37
 Lifetime methods 3.4 (2.0) 3.9 (2.1) 2.9 (1.8) < .001 .51
 Past month episodes 3.4 (6.2) 3.0 (5.6) 3.9 (6.8) .34 .33
 NSSI and suicide attempt 90 (31.6) 45 (37.8) 45 (27.1) .06 .11
 NSSI to attempt (years) 3.3 (3.2) 4.0 (3.3) 2.6 (2.9) .05 .45

Abbreviations: LGBT = lesbian, gay, bisexual, and transgender. ED = emergency department. NSSI = nonsuicidal self-injury. Continuous variables are given as mean (SD). Categorical variables are given as number (%).

a

Results are based on t-tests for continuous variables and cross-tabulations for categorical variables.

b

Effect sizes are Cohen’s d for continuous variables and Cramer’s phi coefficients for categorical variables.

c

Recalled Childhood Gender Identity/Gender Role Questionnaire (score range: 6–30).

d

Peer Experiences Questionnaire (score range: 0–20).

e

Brief Hopelessness Scale (score range: 6–24).

f

Patient Health Questionnaire-4 (score range: 0–12).

g

Columbia-Suicide Severity Rating Scale, ideation severity scale (score range: 0–5).

h

Columbia-Suicide Severity Rating Scale, ideation with intent or intent with a plan (score range: 4–5).

i

Columbia-Suicide Severity Rating Scale, intensity subscales (score range: 0–5).

j

Suicidal behavior includes actual, aborted, and interrupted attempts and preparatory behaviors.