Table 1 Descriptive statistics of the study (N = 1,875,627).
Variable | Mean | SD |
|---|---|---|
Age (years) | 13.96 | 2.43 |
Weight (kg) | 51.81 | 14.74 |
Height (cm) | 157.42 | 11.75 |
BMI (kg/m2) | 20.60 | 4.18 |
Physical fitness | ||
Sit-and-reach (cm) | 29.24 | 9.95 |
Sit-up (times) | 33.92 | 10.73 |
Standing long jump (cm) | 166.73 | 36.09 |
Run/walk (sec) | 376.75 | 146.78 |
Socioeconomic status (SES) | ||
Average family income per household (New Taiwan dollar) | 1,130,072 | 259,695.15 |
