Table 1 Clinical characteristics of the study sample (3859 individuals free of thyroid disease)
% | Mean±SD | Median | Range | |
|---|---|---|---|---|
Age (years) | 50.1±17.1 | 18-93 | ||
Men | 45.5 | |||
Premenopausal women | 28.5 | |||
Postmenopausal women | 26.0 | |||
Smoking | ||||
Current | 26.7 | |||
Former | 24.1 | |||
Never | 49.2 | |||
Education level | ||||
No studies | 12.8 | |||
Basic | 47.5 | |||
High School-College | 39.7 | |||
BMI (kg/m2) | 28.0±5.1 | 12.2-61.3 | ||
UI (μg/L) | 132.2±81.6 | 114.9 | 1.5-632.5 | |
TSH (µUI/mL) | 2.33±1.35 | 2.06 | 0.11-18.50 | |
FT4 (pmol/L) | 15.14±2.07 | 15.05 | 8.21-26.24 | |
FT3 (pmol/L) | 5.00±0.73 | 4.95 | 2.59-11.95 | |