Table 4.

Exposures retained in the multivariate logistic regression model predicting illness in crew members, and country of origin

Variable	OR	95% CI	P value	Country of origin
Cantaloupe	5·09	1·5–16·7	0·007	Australia
Chives	6·34	1·5–26·3	0·011	The Netherlands
Lettuce	5·00	1·4–17·6	0·012	Australia, Malaysia, USA, The Netherlands

OR, Odds ratio; CI, confidence interval.