Table 1 Baseline characteristics of study participants.
From: Associations between testosterone and future PTSD symptoms among middle age and older UK residents
Variables used in the study | Males | Females | ||
|---|---|---|---|---|
(n = 62, 565) | (n = 67, 906) | |||
Mean/n | (SD/%) | Mean/n | (SD/%) | |
PTSD symptom score | 7.6 | (2.8) | 8.2 | (3.2) |
Predictors | ||||
Age at baseline (years) | 56.6 | (7.8) | 55.0 | (7.7) |
Townsend deprivation index | −1.8 | (2.8) | −1.7 | (2.8) |
Time of blood collection (24 h) | 14.4 | (3.0) | 14.4 | (2.9) |
Ethnicity | ||||
White | 60,497 | (97.8%) | 65,703 | (97.8%) |
Asian | 671 | (1.1%) | 439 | (0.7%) |
Black | 408 | (0.7%) | 513 | (0.8%) |
Mixed | 313 | (0.5%) | 531 | (0.8%) |
BMI (continuous) | 27.3 | (4.0) | 26.4 | (4.9) |
BMI | ||||
Underweight (BMI < 18.5) | 116 | (0.2%) | 503 | (0.8%) |
Healthy weight (18.5< = BMI < 25) | 17,820 | (28.9%) | 29,932 | (44.6%) |
Overweight (25< = BMI < 30) | 30,694 | (49.7%) | 23,824 | (35.5%) |
Obesity (BMI> = 30) | 13,129 | (21.3%) | 12,797 | (19.1%) |
Testosterone-related measurement | ||||
Total testosterone (nmol/L) | 11.91 | (3.3) | 1.05 | (0.4) |
total testosterone (ng/dL) | 338.6 | (93.5) | 29.9 | (12.3) |
SHBG level (nmol/L) | 39.1 | (15.5) | 63.7 | (30.6) |
SHBG level (ng/dL) | 1111.5 | (441.8) | 1809.9 | (868.7) |
Albumin level (g/L) | 45.7 | (2.6) | 45.1 | (2.5) |
Calculated free testosterone (cFT) (nmol/L) | 0.2094 | (0.051) | 0.0128 | (0.006) |
cFT (ng/dL) | 5.9500 | (1.436) | 0.3640 | (0.180) |
Free Androgen Index (FAI) (%) | 32.11 | (9.4) | 1.86 | (1.1) |
