Table 2.

Effectiveness of pictorial health warning by message approaches and image size.

Source	Sum of Squares	df		F Test	p-Value		Partial Eta Squared
Main effect
Message approaches	33.358	1.919		10.371	<0.001		0.048
Image size	9.642	1		2.430	0.121		0.012
Two-way interactions
Message approaches by image size	5.743	1.919		1.785	0.171		0.009
	Size 40%			Size 75%			Total mean of message approaches
	mean	SE	95% CI	mean	SE	95% CI	mean	95% CI
Fear	4.79	0.16	(4.48–5.10)	4.28	0.15	(3.99–4.58)	4.54	(4.32–4.76)
Guilt	4.56	0.14	(4.29–4.83)	4.47	0.14	(4.20–4.74)	4.52	(4.33–4.71)
Financial loss	4.11	0.16	(3.80–4.42)	3.97	0.16	(3.66–4.28)	4.04	(3.82–4.26)
Total mean of image size	4.49	0.12	(4.26–4.71)	4.24	0.11	(4.02–4.45)

Note: SE = Standard errors, df = degrees of freedom, CI = Confidence Interval