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. 2018 Jun 29;20(6):e229. doi: 10.2196/jmir.9959

Table 2.

Means (95% CI) for attitudes as a function of video.

Attitudes		Video conditions
		Chew	Hookah	Pipe	E-cigarette	Control	F_(4,315)
Attitudes towards products featured in videos
	Overall	1.53^a (1.27-1.80)	2.99^b (2.73-3.25)	2.49^c (2.21-2.76)	3.21^d (2.94-3.47)	2.57^b,c,e (2.21-2.93)	23.12^f
	Positive items	1.46^a (1.18-1.74)	3.07^b (2.79-3.45)	2.40^c (2.11-2.70)	3.22^d (2.94-3.51)	2.57^b,c,e (2.19-2.95)	23.42^f
	Negatively worded items (reversed-scored)	1.60^a 1.32-1.68)	2.92^b (2.65-3.19)	2.57^c (2.28-2.85)	3.19^d (2.92-3.47)	2.45^b,c,e (2.08-2.82)	18.51^f
Attitudes towards smoking
	Overall	1.89^a (1.67-2.12)	2.04^a,d (1.82-2.26)	2.39^b,d (2.16-2.62)	2.23^c,d (2.00-2.46)	2.13^a,d (1.91-2.36)	2.59^g
	Positively worded items	1.85^a (1.55-2.06)	1.95^a,d (1.70-2.20)	2.33^b,d (2.07-2.60)	2.23^c,d (1.97-2.49)	2.06^a,d (1.80-2.32)	2.58^g
	Negatively worded items (reversed-scored)	1.99^a (1.75-2.24)	2.13^a (1.89-2.38)	2.45^b (2.19-2.71)	2.24^a (1.99-2.49)	2.21^a (1.96-2.46)	1.70

^a-eWithin a row, different subscripts indicate statistically significant differences between cell means.

^fP<.001.

^gP<.05.