Table 3.

Mean (SD) Perceived Effectiveness of Messages, by Constituent, n = 1,148 smokers (April 2015)

	Condition	Arsenic i=1,692	Formaldehyde i=1,666	Lead i=1,453	Uranium i=1,677	Ammonia i=1,540	Nitrosamines i=1,582
1	Constituent(s) Only, i=1,593	3.17 (1.05)	2.96 (1.18)	3.00 (1.10)	2.68 (1.21)	3.02 (1.18)	2.27 (1.00)
2	One Toxic Product, i=1,284	3.30 (1.16)	3.08 (1.07)	2.95 (1.21)	3.14 (1.21)	2.95 (1.15)	2.06 (1.03)
3	Two Toxic Products, i=484	3.25 (1.23)	3.34 (1.05)	3.25 (1.21)	3.18 (1.33)	2.98 (1.19)	.
4	One Health Effect, i=1,228	3.34 (1.02)	3.32 (1.08)	3.16 (1.18)	3.17 (1.22)	3.04 (1.10)	3.33 (1.10)
5	Two Health Effects, i=650	3.27 (1.03)	3.37 (1.16)	3.39 (1.10)	3.42 (1.24)	3.22 (1.10)	3.28 (1.18)
6	One Product & Health Effect, i=2,588	3.43 (1.13)	3.33 (1.13)	3.15 (1.15)	3.10 (1.23)	3.19 (1.09)	3.14 (1.14)
OVERALL		3.34 (1.11)	3.26 (1.11)	3.13 (1.17)	3.12 (1.24)	3.09 (1.12)	2.86 (1.21)

i = number of message ratings for that message type