Table 4.

Safety Concerns found in Top- and Bottom-ranked Reviews Scored using NEISS and Recall Smoke Lists (Experiment 2)

Review Set		Safety Concerns	No Safety Concerns	Chi-Square p-value	Scoring Metric	Safety Concerns Mean Score	No Safety Concerns Mean Score	t-test p-value
					Smoke: NEISS	18.62	15.07	<0.001**
Smoke:	Top 400	44	356	<0.001**	Smoke: Recall	83.05	21.48	<0.001**
NEISS	Bottom 400	3	397	0.28	AFINN	3.49	10.65	<0.001**
Smoke:	Top 400	156	244	<0.001**	ANEW	168.80	175.37	0.43
Recall	Bottom 400	2	398	0.13	GI Negative	6.63	6.05	0.09
	Sub-Total	205	1395		SentiStrength Negative	−2.87	−2.17	<0.001**
	TOTAL	1600			OpinionFinder Negative	6.20	4.55	0.01**
Baseline (out of 400)		5.5	394.5		Amazon Star Rating	2.36	3.83	<0.001**

^**indicates strong statistical significance at the 99% confidence level