Table 2.
Grade 6 | Grade 7 | Grade 8 | |||||||
---|---|---|---|---|---|---|---|---|---|
N | Mean | Standard Deviation (SD) |
N | Mean | (SD) | N | Mean | (SD) | |
Girls (N=42,718)a | |||||||||
Change in Fitnessb | |||||||||
Substantial Increasec | 6089 | 56.74 | 27.40 | 8138 | 56.96 | 27.36 | 6918 | 56.81 | 27.50 |
Moderate Increase | 2595 | 59.01 | 27.45 | 5306 | 59.51 | 27.49 | 5304 | 59.81 | 27.38 |
No/small change | 6260 | 59.13 | 27.92 | 16081 | 60.03 | 27.72 | 17934 | 60.66 | 27.83 |
Moderate Decrease | 2274 | 56.48 | 27.88 | 4942 | 56.84 | 27.36 | 5293 | 57.24 | 27.73 |
Substantial Decrease | 4844 | 54.56 | 27.81 | 7724 | 52.29 | 27.36 | 7229 | 53.02 | 27.51 |
| |||||||||
Boys (N=40,393)a | |||||||||
Change in Fitnessb | |||||||||
Substantial Increasec | 5430 | 52.37 | 27.93 | 7570 | 53.95 | 28.37 | 6936 | 52.90 | 28.09 |
Moderate Increase | 2468 | 54.18 | 27.75 | 5074 | 55.12 | 28.48 | 5229 | 53.37 | 28.36 |
No/small change | 6387 | 54.89 | 28.30 | 15110 | 55.13 | 28.38 | 16773 | 54.42 | 28.69 |
Moderate Decrease | 2228 | 53.02 | 28.69 | 4781 | 53.16 | 28.31 | 4884 | 52.03 | 27.90 |
Substantial Decrease | 4393 | 52.94 | 28.47 | 7125 | 49.42 | 28.00 | 6548 | 48.51 | 28.30 |
SD=standard deviation
Sum of students does not equal row or column totals because student can appear in each group more than once.
T-tests comparing means between boys and girls for each fitness category and grade were significant (all p<0.001).
Substantial Increase: >20 percentile point increase, moderate increase: 10–20 percentile point increase, moderate decrease: 10–20 percentile point decrease, substantial decrease: >20 percentile point decrease