Table 2.

Intent-to-Treat linear regression models predicting intervention effects.

	Indoor Tanning Intentions (N = 443)			Indoor Tanning Willingness (N = 443)			Sunless Tanning Willingness (N = 443)
	b	se	t	b	se	t	b	se	t
Baseline	0.47***	0.05	9.99	0.51***	0.05	10.33	0.41***	0.05	8.31
Cohort	−0.67	0.56	−1.20	−0.14	0.61	−0.23	−0.18	0.20	−0.91
Condition (Treatment Group = 1)	−1.54**	0.55	−2.81	−1.34*	0.61	−2.21	0.37+	0.20	1.83
Effect size	0.29			0.23			0.19

Note: Baseline refers to baseline (W1) score of each outcome

⁺p < 0.10

^*p < 0.05

^**p < .01

^***p < 0.001

Effect sizes calculated using Cohen's f²