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. 2008 Apr;73(4):306–314. doi: 10.1111/j.1399-0004.2008.00964.x

Table 2.

Perceived susceptibility to Crohn's disease, according to risk provenance, risk magnitude and display

Risk provenance Risk magnitude (%) Display type

Dispersed Grouped


Mean SD Mean SD
Mutation positive 3 3.80 1.23 4.60 1.17
6 4.50 1.51 3.50 1.58
50 3.80 1.14 4.10 1.66
Mutation negative 3 3.60 1.43 4.50 1.08
6 3.60 1.17 3.50 0.97
50 4.20 1.55 4.10 1.10
Family history only 3 3.70 1.64 2.90 1.20
6 4.20 1.69 4.60 1.58
50 4.70 1.42 4.80 1.14