Table 1 Characteristics of the preschool children and their parents
Characteristics | N | % |
|---|---|---|
Age (years, Mean ± SD) | 3.58 ± 0.62 | |
Child sex | ||
Girl | 5469 | 46.43 |
Boy | 6311 | 53.57 |
Child’s ethnicity | ||
Han | 11,012 | 93.48 |
Minorities | 768 | 6.52 |
Maternal education | ||
≤High school | 3171 | 26.92 |
Technical secondary school/junior college | 4127 | 35.03 |
≥Bachelor’s degree | 4482 | 38.05 |
Maternal ethnicity | ||
Han | 11,062 | 93.90 |
Minority | 718 | 6.10 |
Paternal education | ||
≤High school | 3193 | 27.11 |
Technical secondary school/junior college | 3452 | 29.30 |
≥Bachelor’s degree | 5135 | 43.59 |
Paternal ethnicity | ||
Han | 11,228 | 95.31 |
Minority | 552 | 4.69 |
Parents’ BMI | ||
Maternal BMI (Mean ± SD) | 21.86 ± 3.31 | |
Paternal BMI (Mean ± SD) | 24.33 ± 4.33 | |
Child’s BMI (Mean ± SD) | 15.34 ± 1.99 |