Table 1.
Demographic characteristics of research subjects (n = 675).
| Characteristics | No. | % |
|---|---|---|
| Age groups | ||
| 18–34 | 59 | 8.7 |
| 35–54 | 179 | 26.5 |
| ≥55 | 437 | 64.7 |
| Median (Min – Max ) | 60 ( 18 – 95) | |
|
| ||
| Gender | ||
| Male | 217 | 32.2 |
| Female | 458 | 67.8 |
|
| ||
| Ethnic groups | ||
| Kinh | 98 | 14.5 |
| Tay | 477 | 70.7 |
| Dao | 57 | 8.4 |
| Othersa | 43 | 6.4 |
|
| ||
| Occupation | ||
| Farmer | 610 | 90.4 |
| Othersb | 65 | 9.6 |
|
| ||
| Educational | ||
| No school / illiteracy | 61 | 9.1 |
| Primary | 254 | 37.6 |
| Junior high school | 266 | 39.4 |
| High school or higher | 94 | 13.9 |
|
| ||
| BMI | ||
| Underweight (BMI <18.5) | 97 | 14.4 |
| Normal (18.5≤ BMI <23.0) | 395 | 58.5 |
| Overweight (23.0≤ BMI <25.0) | 90 | 13.3 |
| Obese (BMI ≥25.0) | 93 | 13.8 |
a Others: Nung, Mong, and Muong ethnic group.
b Others: officers, manual worker, retirees, and freelancer.