Table 1.
Weighted demographic characteristics of participants.
| Variables | Total (N = 2,272) |
|---|---|
| Area (%) | |
| Urban | 1,194 (55.63) |
| Rural | 1,078 (44.37) |
| Age (%) | |
| Young (18–39 years) | 1,000 (44.20) |
| Middle (40–59 years) | 885 (38.92) |
| Senior (≥60 years) | 387 (16.87) |
| Sex (%) | |
| Male | 1,104 (48.55) |
| Female | 1,168 (51.45) |
| Education (%) | |
| Middle school and below | 814 (34.34) |
| High school | 539 (23.79) |
| College and above | 919 (41.87) |
| Occupation (%) | |
| Farmer | 780 (32.20) |
| Worker | 499 (22.92) |
| Staff | 620 (28.38) |
| Other | 373 (16.50) |
| Family income (CNY, %) | |
| Less than 10 thousand | 1,467 (62.77) |
| 10 to 50 thousand | 529 (24.43) |
| More than 50 thousand | 276 (12.81) |
| Salt intake (%) | |
| Mild | 427 (18.59) |
| Moderate | 1,616 (71.22) |
| Heavy | 229 (10.29) |
| Smoke (%) | |
| No | 1,589 (70.33) |
| Yes | 683 (29.67) |
| Family history of thyroid diseases (%) | |
| No | 2,152 (94.60) |
| Yes | 120 (5.40) |
| BMI (%) | |
| Normal | 1,144 (50.38) |
| Underweight | 121 (5.32) |
| Overweight | 743 (32.69) |
| Obesity | 264 (11.61) |
BMI, body mass index.