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Table 2 Odds ratio estimates for variables significantly associated with the prevalence of acute gastrointestinal illness in British Columbia, Canada, June 2002 to June 2003 from a multivariable regression model (total n = 4300 cases n = 444, respondents who did not indicate gender or age were removed from analysis).

From: Population distribution and burden of acute gastrointestinal illness in British Columbia, Canada

Variable Number of cases Total number of respondents Odds Ratio Estimate 95% Confidence Interval P-value
Age (years)
0–9 50 293 1.8 1.3, 2.5 <0.001
10–14 28 180 1.6 1.1, 2.5 <0.001
15–19 15 176 0.8 0.5, 1.4 0.677
20–24 26 182 1.4 0.9, 2.2 0.003
25–64 289 2763 Reference Reference Reference
65–69 17 227 0.7 0.4, 1.2 0.915
70–74 7 205 0.3 0.1, 0.6 0.018
75–84 11 222 0.4 0.2, 0.8 0.108
85+ 1 52 0.2 0.0, 1.2 0.099
Gender
Female 290 2609 1.3 1.1, 1.6 0.012
Male 154 1691 Reference Reference Reference