Table 2.

Predicting Valenced Sharing about Tobacco and E-cigarettes

IV	DV	Cross-sectional		Re-contact
		RRR	[95% CI]	RRR	[95% CI]
Cigarette intentions	No sharing	1		1
	Negative	0.79	[0.57, 1.09]	0.62	[0.30, 1.28]
	Positive/Mixed	2.84***	[2.17, 3.73]	1.91†	[0.91, 4.02]
Cigarette use	No sharing	1		1
	Negative	0.92	[0.70, 1.22]	1.18	[0.66, 2.10]
	Positive/Mixed	4.00***	[3.10, 5.15]	1.41	[0.71, 2.81]
Friends’ Disapproval	No sharing	1		1
	Negative	1.19	[0.89, 1.60]	0.75	[0.41, 1.37]
	Positive/Mixed	0.45***	[0.35, 0.58]	0.52†	[0.27, 1.03]
Descriptive Norms (Pro-cigarette)	No sharing	1		1
	Negative	1.25***	[1.12, 1.41]	1.37*	[1.06, 1.79]
	Positive/Mixed	1.71***	[1.47, 2.00]	1.48†	[0.97, 2.27]
IV	DV	Cross-sectional		Re-contact
		RRR	[95% CI]	RRR	[95% CI]
E-cigarette intentions	No sharing	1		1
	Negative	1.02	[0.60, 1.73]	0.57	[0.17, 1.87]
	Mixed	4.38***	[3.19, 6.01]	2.01†	[0.94, 4.28]
	Positive	11.42***	[8.09, 16.13]	4.32***	[2.02, 9.25]
E-cigarette use	No sharing	1		1
	Negative	1.12	[0.65, 1.94]	0.73	[0.24, 2.18]
	Mixed	4.48***	[3.29, 6.10]	1.81	[0.87, 3.76]
	Positive	10.13***	[7.25, 14.17]	2.06†	[0.89, 4.74]
Friends’ Disapproval	No sharing	1		1
	Negative	0.90	[0.61, 1.33]	1.21	[0.54, 2.71]
	Mixed	0.41***	[0.31, 0.54]	0.36***	[0.19, 0.67]
	Positive	0.20***	[0.14, 0.28]	0.29***	[0.14, 0.58]
Descriptive Norms (Pro-e-cigarette)	No sharing	1		1
	Negative	1.36**	[1.12, 1.64]	0.87	[0.55, 1.37]
	Mixed	2.45***	[2.08, 2.89]	1.63*	[1.10, 2.41]
	Positive	2.03***	[1.65, 2.50]	2.17***	[1.41, 3.35]

Note. IV = independent variable; DV = dependent variable; RRR = relative risk ratio; 95% CI = 95% confidence intervals. All analyses adjust for confounders; re-contact analyses additionally adjust for the DV at Time 1. All analyses are weighted.

^†p < .10;

^*p < .05;

^**p < .01;

^***p < .001