Table 1.

Distribution of Yazd Health Study (YaHS) participants according to general characteristics.

Variables	Total (n = 8801) N (%)
Sex
Male	4305 (50.3%)
Female	4252 (49.7%)
Age groups (years)
20–29	1683 (19.7%)
30–39	1715 (20.1%)
40–49	1783 (20.9%)
50–59	1697 (19.9%)
60–69	1664 (19.4%)
Education level
Some primary/high school, diploma and graduate diploma	7195 (84.6%)
Bachelors	1086 (12.8%)
Masters and PhD	223 (2.6%)
Smoking
Never smoker	7231 (86.7%)
Current smoker	933 (11.3%)
Ex –smoker	168 (2%)
Marital status
Married	7259 (84.9%)
Single	904 (10.6%)
Widowed or divorced	383 (4.5%)
BMI
Low weight (< 18.5)	330 (3.9%)
Normal (18.5–24.9)	2681 (31.6%)
Overweight (25.0–29.9)	3219 (37.9%)
Obesity (≥ 30.0)	2262 (26.6%)
COVID-19 status
Yes	474 (5.4%)
No	8327 (94.6%)

BMI body mass index (calculated as weight in kilograms divided by height in meters squared).