Table 1 The test- and age-specific sample sizes, means and standard deviations among Chinese school-aged girls from 1985 to 2019*.
Tests | 1985 | 1991 | 1995 | 2000 | 2005 | 2010 | 2014 | 2019 | |
|---|---|---|---|---|---|---|---|---|---|
1-minute sit-ups (reps.) | N | 102,284 | 35,147 | 52,756 | 54,415 | 58,672 | 53,666 | 53,552 | 52,229 |
M | 23.7 | 30.3 | 31.8 | 31.1 | 27.7 | 27.0 | 28.8 | 30.7 | |
SD | 10.6 | 10.1 | 10.5 | 11.0 | 10.6 | 10.8 | 10.8 | 11.0 | |
Height (cm) | N | 102,284 | 35,147 | 52,756 | 54,446 | 58,764 | 53,744 | 53,637 | 52,910 |
M | 145.1 | 147.1 | 147.4 | 148.1 | 148.7 | 149.4 | 150.3 | 150.9 | |
SD | 14.6 | 14.1 | 14.1 | 14.1 | 13.8 | 13.5 | 13.4 | 13.6 | |
Mass (kg) | N | 102,284 | 35,147 | 52,756 | 54,447 | 58,764 | 53,744 | 53,637 | 52,910 |
M | 36.9 | 38.4 | 39.3 | 40.6 | 41.4 | 42.2 | 43.6 | 44.8 | |
SD | 11.6 | 11.6 | 12.1 | 12.6 | 12.6 | 12.5 | 13.0 | 14.0 | |
Body mass index (kg/m2)* | N | - | - | - | 54,420 | 58,763 | 53,744 | 53,637 | 52,910 |
M | - | - | - | 18.0 | 18.3 | 18.4 | 18.9 | 19.2 | |
SD | - | - | - | 3.3 | 3.3 | 3.2 | 3.4 | 3.7 |