Table 5.

Weighted multinomial logistic regression of youth SLT use on direct measures (Model 1), indirect measures (Model 2), and both direct and indirect measures (Model 3) of SLT perceived relative harm: Odds ratios (ORs) and 95% CIs.

	SLT Use			Pseudo R-Squared*
	Past 30-Day Use	Non-Past-30-Day Use	Never Use
Model 1				.042
Direct Measure:
SLT less harmful	1.00 (ref)	1.00 (ref)	1.00 (ref)
SLT about the same	0.25 (0.18,0.34)	0.82 (0.61,1.09)	1.00 (ref)
SLT more harmful	0.10 (0.06,0.17)	0.68 (0.47,0.97)	1.00 (ref)
Don’t Know	**0.00 (0.00,0.00)	0.16 (0.07,0.35)	1.00 (ref)
Model 2				.027
Indirect Measure:
SLT less harmful	1.00 (ref)	1.00 (ref)	1.00 (ref)
SLT about the same	0.22 (0.17,0.30)	0.72 (0.59,0.89)	1.00 (ref)
SLT more harmful	0.66 (0.33,1.35)	1.20 (0.79,1.82)	1.00 (ref)
Don’t Know	0.16 (0.01,2.27)	0.15 (0.01,1.98)	1.00 (ref)
Model 3				.053
Direct Measure:
SLT less harmful	1.00 (ref)	1.00 (ref)	1.00 (ref)
SLT about the same	0.34 (0.24,0.50)	0.89 (0.67,1.19)	1.00 (ref)
SLT more harmful	0.14 (0.07,0.25)	0.73 (0.50,1.07)	1.00 (ref)
Don’t Know	**0.00 (0.00,0.00)	0.19 (0.09,0.41)	1.00 (ref)
Indirect Measure:
SLT less harmful	1.00 (ref)	1.00 (ref)	1.00 (ref)
SLT about the same	0.42 (0.29,0.61)	0.80 (0.65,0.99)	1.00 (ref)
SLT more harmful	1.62 (0.74,3.55)	1.37 (0.87,2.13)	1.00 (ref)
Don’t Know	0.94 (0.07,13.43)	0.38 (0.03,5.08)	1.00 (ref)

Note: Values that are statistically significant at the .05 level are in bold. For each model, participants lacking data on any variable were excluded from analysis.

^*Pseudo r-squared values are adjusted Nagelkerke pseudo r-square from unweighted models.

^**No participants responding Don’t know on the direct measure had used e-cigarettes in the past 30-days.