표 3 / Table 3 연령과 성에 따른 평균과 표준편차 / PA performance according to age and gender

Age	Gender	M(SD)
4 yrs	Boy	2.15(2.37)	1.76(2.35)
4 yrs	Girl	1.33(2.35)	1.76(2.35)
5 yrs	Boy	10.57(5.84)	9.19(6.70)
5 yrs	Girl	8.11(7.28)	9.19(6.70)
6 yrs	Boy	17.33(2.77)	16.03(5.00)
6 yrs	Girl	14.94(6.17)	16.03(5.00)