Table 1.
Characteristics of Participants *.
| n | % | |
|---|---|---|
| Age (mean, SD) | 14.7 | 1.7 |
| Gender | ||
| Male | 2016 | 52.7 |
| Female | 1762 | 46.1 |
| Educational level | ||
| Junior high school | 1758 | 40.0 |
| Senior high school | 2061 | 60.0 |
| Weight status | ||
| Underweight | 95 | 2.4 |
| Healthy weight | 2926 | 76.6 |
| Overweight or obese | 798 | 20.8 |
| Ethnicity | ||
| Han | 3745 | 98.0 |
| Ethnic minority | 35 | 1.0 |
| Household monthly income | ||
| Below 5000 RMB | 515 | 13.4 |
| 5000 RMB–10,000 RMB | 1703 | 44.5 |
| 10,000 RMB–20,000 RMB | 915 | 23.9 |
| More than 20,000 RMB | 376 | 9.7 |
| Food consumption frequency | ||
| Junk food intake = 0 time/day | 265 | 6.9 |
| Junk food intake < 1 time/day | 1273 | 33.3 |
| Junk food intake ≥ 1 time/day | 2281 | 59.8 |
| Sugar-sweetened beverage intake = 0 time/day | 411 | 10.8 |
| Sugar-sweetened beverage intake < 1 time/day | 1783 | 46.7 |
| Sugar-sweetened beverage intake ≥ 1 time/day | 1625 | 42.5 |
* Non-imputed data, so the sample size varies by variable due to missing data; SD, standard deviation.