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. Author manuscript; available in PMC: 2022 Dec 1.
Published in final edited form as: J Adolesc Health. 2021 Jul 13;69(6):991–998. doi: 10.1016/j.jadohealth.2021.06.001

Table 1. Demographics, Mental Health, and Substance Use.

How old were you when you started to live full-time in a gender that is
different from the one assigned to you at birth?
All
N=9711
In childhood,
age 3 – 9
n=165
In adolescence,
age 10 – 17
n=1196
In adulthood,
age 18 and over
n=8350
μ (SD) μ (SD) μ (SD) μ (SD) H p
Current age 34.8 (13.9) 30.7 (13.0) 22.8 (7.8) 36.6 (13.8) 1653.7 <.001
Time to social transition (years) 23.4 (12.8) 0.9 (1.5) 10.1 (2.7) 25.7 (12.3) 3112.9 <.001
n (%) n (%) n (%) n (%) x 2 p
Current Age, census categories 1616.8 <.001
          18 – 24 2774 (28.6) 74 (44.8) 918 (76.8) 1782 (21.3)
          25 – 44 4561 (47.0) 61 (37.0) 240 (20.1) 4260 (51.0)
          45 – 64 2036 (21.0) 28 (17.0) 33 (2.8) 1975 (23.7)
          65+ 340 (3.5) 2 (1.2) 5 (0.4) 333 (4.0)
Gender Identity 540.1 <.001
          Woman 2072 (21.4) 9 (5.5) 100 (8.4) 1963 (23.5)
          Man 1308 (13.5) 25 (15.2) 253 (21.2) 1030 (12.3)
          Trans Woman 2140 (22.1) 21 (12.8) 97 (8.1) 2022 (24.2)
          Trans Man 2706 (27.9) 40 (24.4) 444 (37.2) 2222 (26.6)
          Non-binary / Genderqueer 1477 (15.2) 69 (42.1) 300 (25.1) 1108 (13.3)
Sex Assigned at Birth 450.5 <.001
          Female 5266 (54.2) 125 (75.8) 974 (81.4) 4167 (49.9)
          Male 4445 (45.8) 40 (24.2) 222 (18.6) 4183 (50.1)
Sexual Orientation 86.8 <.001
          Heterosexual / Straight 1837 (18.9) 30 (18.2) 212 (17.7) 1595 (19.1)
          Asexual 676 (7.0) 21 (12.7) 137 (11.5) 518 (6.2)
          Pansexual / Queer 4793 (49.4) 70 (42.4) 602 (50.3) 4121 (49.4)
          Gay / Lesbian / Bisexual 1812 (18.7) 27 (16.4) 155 (13.0) 1630 (19.5)
          Not listed 593 (6.1) 17 (10.3) 90 (7.5) 486 (5.8)
Race 68.7 <.001
          Racial Minority 2101 (21.6) 59 (35.8) 349 (29.2) 1693 (20.3)
          Not racial minority (White / European American) 7610 (78.4) 106 (64.2) 847 (70.8) 6657 (79.7)
Education Level 985.0 <.001
          Less than high school 278 (2.9) 11 (6.7) 144 (12.0) 123 (1.5)
          High school graduate / GED 1076 (11.1) 34 (20.6) 314 (26.3) 728 (8.7)
          Some college / Associate’s degree 4320 (44.5) 70 (42.4) 572 (47.8) 3678 (44.0)
          Bachelor’s degree or higher 4037 (41.6) 50 (30.3) 166 (13.9) 3821 (45.8)
Employment Status 195.1 <.001
          Employed 6506 (85.9) 98 (77.2) 614 (70.8) 5794 (88.0)
          Unemployed 1070 (14.1) 29 (22.8) 253 (29.2) 788 (12.0)
Relationship Status 7.4 .02
          Partnered 4865 (52.0) 73 (46.8) 565 (48.8) 4227 (52.6)
          Unpartnered 4487 (48.0) 83 (53.2) 592 (51.2) 3812 (47.4)
Total Household Income 43.4 <.001
          < $25,000 3025 (33.4) 67 (45.3) 426 (40.4) 2532 (32.2)
          $25,000 – $49,999 2095 (23.1) 30 (20.3) 210 (19.9) 1855 (23.6)
          $50,000 – $99,000 2207 (24.4) 24 (16.2) 215 (20.4) 1968 (25.1)
          >$100,000 1728 (19.1) 27 (18.2) 203 (19.3) 1498 (19.1)
Family support of gender identity 50.9 <.001
          Supportive 5520 (59.2) 73 (45.9) 696 (59.6) 4751 (59.4)
          Neutral 1596 (17.1) 26 (16.4) 194 (16.6) 1376 (17.2)
          Unsupportive 1706 (18.3) 33 (20.8) 204 (17.5) 1469 (18.4)
          Family doesn’t know 497 (5.3) 27 (17.0) 74 (6.3) 396 (5.0)
Ever exposed to gender identity change efforts 20.7 <.001
          Yes 1996 (23.3) 30 (25.2) 279 (29.1) 1687 (22.5)
          No 6575 (76.7) 89 (74.8) 681 (70.9) 5805 (77.5)
Ever had pubertal suppression 244.7 <.001
          Yes 64 (0.7) 8 (4.8) 44 (3.7) 12 (0.1)
          No 9647 (99.3) 157 (95.2) 1152 (96.3) 8338 (99.9)
Ever had gender-affirming hormones 510.4 <.001
          Yes 7445 (77.4) 68 (41.7) 657 (55.5) 6720 (81.2)
          No 2180 (22.6) 95 (58.3) 527 (44.5) 1558 (18.8)
Lifetime suicidal ideation 8235 (84.8) 135 (82.3) 1054 (88.3) 7046 (84.5) 12.8 .002
Past-year suicidal ideation 4491 (46.2) 76 (46.3) 723 (60.5) 3692 (44.3) 110.9 <.001
Past-year suicidal ideation with plan 2375 (24.5) 40 (52.6) 434 (60.0) 1901 (51.5) 17.6 <.001
Lifetime suicide attempt 4607 (47.4) 87 (53.0) 679 (57.0) 3841 (46.1) 51.3 <.001
Past-year suicide attempt 793 (8.2) 18 (23.7) 178 (24.7) 597 (16.2) 31.5 <.001
Past-year suicide attempt resulting in medical attention 377 (3.9) 7 (38.9) 73 (41.0) 297 (49.7) 4.8 .09
Past-month severe psychological distress 3138 (32.3) 64 (40.0) 601 (51.4) 2473 (30.2) 211.8 <.001
Lifetime illicit drug use 3434 (35.4) 46 (28.6) 299 (25.4) 3089 (37.4) 67.3 <.001
Lifetime marijuana use 6803 (70.1) 106 (65.4) 707 (59.7) 5990 (72.3) 81.4 <.001
Past-month binge drinking 2524 (26.0) 36 (21.8) 299 (25.1) 2189 (26.3) 2.3 .32

Note: Group differences between Current Age and Time to social transition were tested with Kruskal-Wallis H test