Table 4.
Second case-control study results: exposures in the final multivariable logistic regression analysis including leeks bought unwrapped in place of any raw leeks, adjusted for age group and gender
| Exposure | OR | 95% CI | P value |
|---|---|---|---|
| Chicken (outside home) | 16·02 | 1·98–129·3 | 0·009 |
| No potatoes | Ref | ||
| Not bought in sack | 0·79 | 0·13–4·77 | 0·8 |
| Bought in sack | 11·98 | 1·02–140·9 | 0·05 |
| No leeks | Ref. | ||
| Leeks not bought unwrapped | 1·04 | 0·11–9·51 | >0·9 |
| Leeks bought unwrapped | 40·00 | 2·08–769·4 | 0·01 |
| Any raw turnip in home | 5·43 | 0·87–33·75 | 0·07 |
OR, Odds ratio; CI, confidence interval.
Twenty-eight cases and 59 controls were included in the model.