Table 1.
Subject characteristics
| Trans men pretreatment | Trans men during treatment | Controls first visit | Controls second visit | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | Mean (SD) | Range | n | Mean (SD) | Range | n | Mean (SD) | Range | n | Mean (SD) | Range | |
| Age in years | 22 | 23.0 (4.9) | 18–34 | 22 | 24.2 (5.0) | 19–35 | 19 | 30.7 (7.8) | 20–44 | 19 | 33.6 (7.6) | 23–46 |
| Years of education | 22 | 13.0 (2.0) | 9–17 | 18 | 16.4 (3.4) | 13–24 | ||||||
| Handednessa | 20 | 89.6 (20.1) | 12.5–100 | 19 | 86.9 (20.0) | 17.7–100 | ||||||
| Sexual orientationb | 22 | 4.7 (1.5) | 1–6 | 20 | 4.2 (1.5) | 1–6 | 19 | 0.4 (0.5) | 0–1.5 | |||
| Body perception index, short trials | 17 | −3.0 (28.6) | −48.4–61.4 | 17 | −9.4 (17.0) | −50.4–17.3 | ||||||
| Body perception index, long trials | 13 | −1.6 (25.5) | −42.2–42.5 | 13 | −15.1 (21.2) | −54.8–23.3 | ||||||
| Estradiol levels (in pmol/L) | 21 | 477.4 (456.5) | 125.0–1680.0 | 8 | 165.0 (32.2) | 150.0–243.0 | ||||||
| Testosterone levels (in nmol/L) | 22 | 1.8 (0.7) | 1.2–3.5 | 21 | 22.4 (13.1) | 1.8–51.0 | ||||||
| SHBG levels (in nmol/L) | 22 | 45.1 (19.1) | 10.0–90.0 | 18 | 26.1 (9.7) | 9.9–49.0 | ||||||
| Free androgen indexc (in nmol/L) | 22 | 5.2 (3.7) | 2.0–17 | 18 | 94.8 (55.8) | 4.2–242.9 | ||||||
aHandedness was assessed according to Oldfield (1971).
bSexual orientation was assessed using the Kinsey scale (Kinsey et al. 1948).
cThe Free Androgen Index is the total testosterone level divided by the sex hormone binding globulin (SHBG) level × 100.