Table 1 Weighted characteristics of included females.
From: Total testosterone is not associated with lean mass or handgrip strength in pre-menopausal females
Variable | Mean ± SD (n = 716 females) | Range (min–max) |
|---|---|---|
Age (years) | 29.6 ± 6.4 | 18–40 |
Ethnicity (%) | ||
Non-hispanic white | 35.9 | |
Non-hispanic black | 21.7 | |
Non-hispanic asian | 12.8 | |
Other non-hispanic | 4.8 | |
Mexican hispanic | 15.3 | |
Other hispanic | 9.4 | |
BMI (kg m2) | 28.5 ± 7.7 | 16.1–60.9 |
Lean Index (LMI; kg·m2) | 16.4 ± 3.0 | 10.6–30.5 |
Height-adjusted upper body lean mass index (UBLMI; kg·m2) | 1.7 ± 0.4 | 1.0–3.3 |
Height-adjusted lower body lean mass index (LBLMI; kg·m2) | 5.2 ± 1.1 | 3.0–11.4 |
Fat percentage (%) | 37.7 ± 6.1 | 18.8–52.8 |
[Testosterone] (nmol·L−1) | 1.0 ± 0.6 | 0.1–5.3 |
[Oestrogen] (pg·mL−1) | 94.0 ± 79.3 | 9.0–513.0 |
[SHBG] (nmol·L−1) | 81.4 ± 62.0 | 8.9–452.3 |
Free Androgen Index (FAI) | 1.90 ± 2.11 | 0.1–23.5 |
Combined handgrip strength (kg) | 61.7 ± 10.5 | 22.6–99.7 |
Protein intake (g·day−1) | 73.0 ± 34.0 | 3.0–296.2 |
Total vitamin C intake (mg·day−1) | 72.0 ± 71.4 | 0.0–796.3 |
Total vitamin D intake (mcg·day−1) | 4.0 ± 5.4 | 0.0–62.4 |
Total magnesium intake (mg·day−1) | 262.1 ± 137.5 | 36–2725 |
Female hormone use (%) | ||
No | 32.0 | |
Yes | 68.0 | |
Average total physical activity (MET-min·week−1) | 3 347 ± 5 636 | 0–45,600 |
Time of venepuncture (%) | ||
Morning (fasted) | 45.3 | |
Afternoon | 29.8 | |
Evening | 25.0 | |
Alcohol consumption (%) | ||
< 12 drinks in life | 9.6 | |
≥ 1 drink on 1–3 days·month−1 | 39.6 | |
≥ 1 drink on1-3 days·week−1 | 40.2 | |
≥ 1 drink on 4 + days·week−1 | 10.6 | |
