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Table 3 Comparisons of least square means for perceptions of e-cigarettes, thoughts about not using e-cigarettes, and behavioral intentions to use e-cigarettes based on main effects for ad/warning condition and brand

From: An experimental study of the effects of electronic cigarette warnings on young adult nonsmokers’ perceptions and behavioral intentions

 

Perceived harms of e-cigarettes

Perceived addictiveness of e-cigarettes

Perceived harms of e-cigarettes relative to cigarettes

Perceived addictiveness of e-cigarettes relative to cigarettes

Thoughts about not using e-cigarettes

Intentions to use e-cigarettes

 

M

SE

M

SE

M

SE

M

SE

M

SE

M

SE

Experimental condition

            

 Ad onlya

2.53C

.07

2.82C

.07

2.04

.06

2.46C

.06

3.16B,C

.13

1.49

.05

 Ad with warningb

2.74C

.07

3.00C

.07

2.07

.06

2.59

.06

3.88A,C

.13

1.58

.05

 Warning onlyc

3.02A,B

.07

3.25A,B

.07

2.24

.06

2.77A

.06

5.50A,B

.13

1.44

.05

E-cigarette brand

            

 BluD

2.75

.07

3.05

.07

2.08

.06

2.64

.06

4.24

.13

1.52

.06

 MarkTenE

2.85

.07

3.04

.07

2.16

.06

2.54

.06

4.30

.13

1.45

.05

 VuseF

2.71

.07

2.99

.06

2.11

.06

2.65

.06

4.00

.13

1.53

.05

  1. Covariates included ever e-cigarette use and e-cigarette advertising exposure. Means with different superscript letters within a column differ significantly at p < .05 in pair-wise comparisons after Tukey’s adjustment