Table 4.

Weighted proportions and associations of reasons to use e-cigarette variables and youth e-cigarette user groups in Wave 1 of the PATH Study (2013–2014).

	% (95% CI)	Alternative to cigarettes		Larger social environment
		β (SE)	p-Value	β (SE)	p-Value
E-cigarette user group
Past 30 day	51.9 (46.7–57.2)	Ref	Ref	Ref	Ref
Past 7 day	33.5 (28.8–38.4)	0.056 (0.030)	0.07	0.009 (0.037)	0.81
Earlier today	14.6 (11.2–18.7)	0.130 (0.037)	0.001	0.127 (0.045)	< 0.01
Past 30 day cigarette use	45.2 (40.2–50.3)	0.039 (0.033)	0.25	0.004 (0.032)	0.89
Female	38.0 (33.9–42.3)	−0.042 (0.034)	0.22	0.002 (0.035)	0.97
15–17 years old	83.7 (79.8–86.9)	0.028 (0.041)	0.50	−0.042	0.33
Race/ethnicity				(0.043)
White	66.6 (61.8–71.2)	Ref	Ref	Ref	Ref
Black	8.1 (5.7–11.4)	0.032 (0.051)	0.53	0.082 (0.065)	0.21
Hispanic	17.5 (14.0–21.7)	−0.012 (0.039)	0.76	−0.015 (0.039)	0.69
Other	7.8 (5.4–10.8)	−0.044 (0.056)	0.44	0.024 (0.059)	0.68
Parent own EC	28.8 (23.9–34.2)	0.018 (0.034)	0.61	0.070 (0.036)	0.05
Parent education
High school/GED or below	37.9 (31.5–44.7)	Ref	Ref	Ref	Ref
Some college	35.0 (29.4–41.0)	0.006 (0.027)	0.82	−0.040 (0.035)	0.26
Bachelor’s or advanced	27.1 (21.6–33.5)	−0.084 (0.035)	0.02	−0.066 (0.036)	0.07

Bolded p-values indicate statistical significance at 0.05.