Table 2. Distribution of Variables Representing Planet Health and Other Healthy Choices (HC) Intervention Components at Year 2 in Massachusetts Middle Schools (N = 45) Participating in the HC Program, 2005–2008.

Variables	Mean (SD)	Range
No. of Planet Health lessons taught on nutrition	11.09 (12.63)	0–49
No. of student lesson-exposures to Planet Health lessons on nutrition	295.16 (389.37)	0–1,797
No. of Planet Health lessons taught on reducing television viewing	2.62 (3.77)	0–15
No. of student lesson-exposures to Planet Health lessons on reducing television viewing	66.69 (98.90)	0–380
No. of Planet Health lessons taught on physical activity and fitness	7.11 (9.79)	0–43
No. of student lesson-exposures to Planet Health lessons on physical activity and fitness	384.62 (764.71)	0–4,749
No. of Planet Health PE microunitsa taught	4.22 (5.72)	0–22
No. of teachers teaching Planet Health lessons	5.82 (6.18)	0–24
No. of partners from outside school involved in HC activities	0.38 (0.78)	0–3

^a Lessons lasting only 5 to 10 minutes.