Table 4

Means, standard errors and univariate F statistics of each message condition on e-cigarette-related and cigarette-related beliefs

Comparative risk messages
Mean (SE)
Negative comparative risk messages
Mean (SE)
Control
Mean (SE)
Univariate F statistics
Perceived risks of e-cigarettes**3.59 (0.07)†3.83 (0.07)‡3.95 (0.11)‡F(2, 1216)=5.61, p<0.01, ηp 2 =0.01
Perceived benefits of e-cigarettes2.54 (0.07)2.42 (0.07)2.68 (0.12)F(2, 1216)=2.09, p=0.12, ηp 2 =0.00
Perceived risks of cigarettes5.14 (0.04)5.13 (0.04)5.19 (0.07)F(2, 1216)=0.31, p=0.74, ηp 2 =0.00
Perceived benefits of cigarettes2.76 (0.06)2.68 (0.06)2.90 (0.10)F(2, 1216)=1.67, p=0.19, ηp 2 =0.00
Response efficacy at post-test6.90 (0.05)6.90 (0.05)6.94 (0.09)F(2, 1216)=0.07, p=0.93, ηp 2 =0.00
Self-efficacy at post-test*4.94 (0.05)†5.14 (0.05)‡4.95 (0.09)†‡F(2, 1216)=4.32, p=0.01, ηp 2 =0.01
Self-exempting beliefs*3.85 (0.05)†3.90 (0.05)‡4.13 (0.09)‡F(2, 1216)=4.13, p=0.02, ηp 2 =0.01
Support for tobacco control4.19 (0.07)4.20 (0.07)3.98 (0.12)F(2, 1216)=1.37, p=0.26, ηp 2 =0.00
  • † and ‡ - Different symbols indicate significant difference at p<0.05.

  • *p<0.05.

  • **p<0.01.

  • e-cigarette, electronic cigarette.