Table 6. Descriptive statistics of physical fitness tests between two levels of QPET Above average Group Below average Group n M SD n M SD PACER 751 33.20 18.37 450 27.85 14.83 Curl-up 751 34.90 11.19 450 25.77 19.05 Push-up 751 12.77 9.49 450 13.52 10.98 Trunk lift 751 11.11 1.68 450 11.18 3.91