Table 5.

The effects of movie condition, advertisement condition and covariates on participants’ total number of cigarettes

	Total number of cigarettes smoked
	exp{B}	95% CI	Wald χ2(df)
Movie condition	0.81	0.53 to 1.22	1.06 (1)
Advertisement condition:
2× Prosocial ad (reference group)	1.00
Prosocial + antismoking ad	0.86	0.54 to 1.35	0.45 (1)
2× antismoking ad	0.56*	0.33 to 0.96	4.45 (1)
Gender	1.16	0.76 to 1.75	0.47 (1)
CO level:
Very light smoker (reference group)	1.00
Light smoker	2.26**	1.20 to 4.27	6.32 (1)
Heavy smoker	2.90***	1.66 to 5.05	14.08 (1)

Note. Poisson log-linear analyses,

^*p<0.05,

^**p<0.01,

^***p<0.001.