. Author manuscript; available in PMC: 2017 Jan 1.

Published in final edited form as: Int J Drug Policy. 2015 Jun 30;27:164–172. doi: 10.1016/j.drugpo.2015.06.005

Table 2.

Pairwise correlations between school selection variables

	City size	School size	Class size	School environment¹	School policies²
City size	1
School size	0.22^***	1
Class size	0.10^*	0.46^***	1
School environment¹	−0.32^***	−0.03	0.02	1
School policies²	−0.00	−0.18^***	−0.12^**	−0.00	1

Note:

higher values indicating more positive school environment

coded as 0 non-restrictive substance use policies and 1 restrictive school substance use policies

p<.05

^**

p<.01

^***

p<.001.