Table 2.
Characteristics of TM and TF Study Participants With and Without at Least One Episode of Self-Harm During Follow Up (2006–2016) (N=6,327)
| Participant characteristics | TF (N=3,452) | TM (N=2,875) | ||
|---|---|---|---|---|
| At least 1 self-harm eventa | No self-harm events | At least 1 self-harm eventa | No self-harm events | |
| n (%)b | n (%) | n (%)b | n (%) | |
| Age at index date, years | ||||
| 3–17 | 45 (38.5) | 542 (16.3) | 79 (60.3) | 663 (24.2) |
| 18–25 | 25 (21.4) | 622 (18.7) | 25 (19.1) | 718 (26.2) |
| 26–35 | 15 (12.8) | 577 (17.3) | 15 (11.5) | 689 (25.1) |
| 36–45 | 21 (18.0) | 551 (16.5) | 7 (5.3) | 339 (12.4) |
| >45 | 11 (9.4) | 1,043 (31.3) | 5 (3.8) | 335 (12.2) |
| Race/Ethnicity | ||||
| Hispanic | 22 (18.8) | 682 (20.5) | 31 (23.7) | 466 (17.0) |
| Non-Hispanic black | 15 (12.8) | 226 (6.8) | 12 (9.2) | 242 (8.8) |
| Non-Hispanic white | 67 (57.3) | 1,755 (52.6) | 74 (56.5) | 1,589 (57.9) |
| Other/Unknown | 13 (11.1) | 672 (20.2) | 14 (10.7) | 447 (16.3) |
| Study site | ||||
| KPNC | 72 (61.5) | 1,873 (56.2) | 81 (61.8) | 1,740 (63.4) |
| KPGA | 2 (1.7) | 93 (2.8) | 0 (0) | 79 (2.9) |
| KPSC | 43 (36.8) | 1,369 (41.1) | 50 (38.2) | 925 (33.7) |
| Count of mental health diagnoses at baselinec | ||||
| 0 | 28 (23.9) | 1,761 (52.8) | 18 (13.7) | 1,262 (46.0) |
| 1–2 | 50 (42.7) | 1,153 (34.6) | 60 (45.8) | 1,077 (39.3) |
| >2 | 39 (33.3) | 421 (12.6) | 53 (40.5) | 405 (14.8) |
| History of suicidal ideation or self-harm at baselinec | ||||
| Yes | 24 (20.5) | 96 (2.9) | 40 (30.5) | 154 (5.6) |
| No | 93 (79.5) | 3,239 (97.1) | 91 (69.5) | 2,590 (94.4) |
| Total | 117 (3.4) | 3,335 (96.6) | 131 (4.6) | 2,744 (95.4) |
a
Includes any diagnosis of self-inflicted injury, possibly self-inflicted injury, and self-inflicted injury/poisoning.
b
Column percentages within categories, row percentages for totals.
c
Baseline refers to diagnoses or events that occurred on or before index date.
TF, transfeminine; TM transmasculine, KPNC, Kaiser Permanente Northern California, KPGA, Kaiser Permanente Giorgia, KPSC, Kaiser Permanente Southern California.