Table 2.

Association between policy prohibiting junk food in vending machines and school stores and percent of schools offering junk food, School Health Policies and Programs Study 2006^a

	Elementary Schools (n = 214)		Middle Schools (n = 165)		High Schools (n = 184)
	% Offering junk food	P value	% Offering junk food	P value	% Offering junk food	P value
State-level policy
Require	13	0.006	71	0.52	96	0.41
Neither require nor recommendb	37		79		100
Recommend	22	0.13	87	0.34	97	0.46
Neither require nor recommendc	37		79		100
Require	13	0.25	71	0.07	96	0.64
Recommendd	22		87		97
District-level policy
Require	18	0.26	79	0.85	97	0.72
Neither require nor recommendb	27		81		98
Recommend	23	0.70	78	0.84	96	0.44
Neither require nor recommendc	27		81		98
Require	18	0.66	79	0.95	97	0.62
Recommendd	23		78		96
Inconsistent	20	0.43	74	0.46	98	0.79
Neither require nor recommende	27		81		98

^aAll percentages were calculated from logistic regression and adjusted for school demographics (school size, urbanicity, and poverty), sampling weights and cluster design.

^bSchools with vending and school store policy that required prohibiting junk food compared to schools that neither required nor recommended prohibiting junk food.

^cSchools with vending and school store policy that recommended prohibiting junk food compared to schools that neither required nor recommended prohibiting junk food.

^dSchools with vending and school store policy that required prohibiting junk food compared to schools that recommended prohibiting junk food.

^eSchools with district vending and school store policy that was inconsistent compared to schools that neither required nor recommended prohibiting junk food.