Table 1.

Frequencies and Percentages of Commonly Reported Physical Activities during the Past 5 Days for Boys and Girls in 5^th to 7^th Grade Cohort

	Boys
Physical Activities	5th Grade			7th Grade
	n	Frequency	%	n	Frequency	%
Calisthenics/Exercise*	332	212	63.9	275	109	39.6
Running, jogging*	333	193	58.0	275	86	31.3
Basketball *§	334	185	55.4	275	115	41.8
Football* §	332	171	51.5	275	102	37.1
Playground games: Tetherball, four square*	333	148	44.4	275	31	11.3
Bicycling, mountain biking*	331	141	42.6	275	32	11.6
Playing with younger children* §§	329	127	38.6	275	62	22.6
Playing catch* §	328	127	38.7	275	63	22.9
Walking for exercise* §§	328	127	38.7	275	48	17.5
	Girls
Physical Activities	5th Grade			7th Grade
	n	Frequency	%	n	Frequency	%
Calisthenics/Exercise *	399	273	68.4	335	140	41.8
Playing with younger children * §§	400	259	64.8	335	149	44.5
Dancing, at home, in a class, in school*§§	401	252	62.8	335	136	40.6
Running, jogging*	401	238	59.4	334	116	34.6
Walking for exercise* §§	398	211	53.0	335	91	27.2
Playground games: Tetherball, four square *	401	193	48.1	335	26	7.8
Jumping rope *§§	398	176	44.2	323	32	9.9
Bicycling, mountain biking*	397	158	39.8	335	29	8.7
Basketball* §	398	143	35.9	335	71	21.2
Playing catch* §	402	132	32.8	335	58	17.3

Note: Highlighted activities have high prevalence (≥ 33%) in 5^th grade which was maintained at ≥ 20% through 7^th grade

^*significant time main effect: decrease in frequency of previous 5-day participation

^§significantly higher in boys

^§§significantly higher in girls