Table 2.

Policies Banning the Advertising of Unhealthy Foods and Beverages in Minnesota Schools, 2008-2012^†

	2008 N = 192	2010 N = 261	2012 N = 261	p*
Prevalence by school location (%)
Building	61.0	63.2	61.2	.27
Grounds	48.7	50.5	46.1	.01
Buses	70.0	70.8	69.1	.46
Publications	57.9	60.9	56.6	.02
Banned advertising score (mean)‡
Overall	2.4	2.5	2.3	.07
By school level
Middle schools	2.8	2.9	2.7	.18
High schools	2.2	2.3	2.2	.28
By school location
City	2.8	2.9	2.7	.23
Suburban	2.7	2.8	2.7	.13
Town/rural	2.2	2.3	2.2	.22
By minority enrollment
<20%	2.3	2.4	2.2	.18
≥20%	2.6	2.7	2.6	.32
By free/reduced-price meal eligibility
<40%	2.4	2.5	2.4	.16
≥40%	2.2	2.3	2.1	.52

^†All models include adjustment for school level, school geographic location, school minority enrollment (%), and free/reduced-price school meal eligibility (%).

^‡Banned advertising score range: 0-4.

^*Represents testing for any change over time.