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. 2009 Jan 6;16(1):30–40. doi: 10.1007/s12529-008-9008-2

Table 2.

Mean scores and standard deviations (SD) of severity, vulnerability, and perceived threat of eight different diseases and conditions, N = 3,436

Disease Severity (scale 1–10) Vulnerability (scale 1–5) Perceived threata (scale 1–5) Comparative vulnerability (scale 1–5)
Mean SD Mean SD Mean SD Mean SD
SARS. outbreak in countryb 8.3 2.1 2.7 1.2 3.2 0.9 2.6 1.0
Heart attack 8.4 2.1 2.5 1.2 3.1 0.9 2.5 1.1
Flu from new virus. outbreak in countryb 6.9 2.5 3.1 1.2 3.1 0.9 2.8 1.0
Flu from a new flu virusb 6.9 2.5 2.9 1.2 3.0 0.9 2.7 1.0
SARS. outbreak outside countryb 8.3 2.1 2.1 1.1 2.8 0.9 2.2 1.0
High blood pressure 6.4 2.2 2.4 1.2 2.7 0.9 2.4 1.1
Tuberculosis 7.3 2.3 2.0 1.0 2.6 0.8 2.1 0.9
Food poisoning 5.6 2.5 2.6 1.2 2.6 0.9 2.4 1.0
Diabetes 6.8 2.5 2.0 1.1 2.5 0.9 2.2 1.0
HIV 9.1 2.1 1.4 0.8 2.4 0.7 1.6 0.8
Common cold 2.8 2.1 3.8 1.2 2.1 0.9 3.0 1.0

aPerceived threat is the square root of the multiplication of severity/2 and vulnerability. Diseases are ranked by perceived threat score

bSeverity of SARS and flu from a new virus was asked in general. The mean score is given in the table for both situations (outbreak in or outside country)