Table 5.
Reported exposure variables for cryptosporidiosis, Greater Glasgow & Clyde NHS Board area – univariate analysis and logistic regression analysis
| Variable | % of cases within Loch Katrine water source | % of cases not within Loch Katrine water source | P value | OR (95% CI) | Adjusted P value |
|---|---|---|---|---|---|
| Pre-filtration | 59·7 | 48·0 | 0·023 | 1·86 (1·11–3·11) | 0·019 |
| Travel in the UK | 14·2 | 24·4 | 0·022 | 0·45 (0·23–0·88) | 0·019 |
| Travel outside UK | 40·8 | 42·0 | 0·822 | ||
| Contact with farm animals | 13·1 | 16·5 | 0·404 | ||
| Contact with farm land | 13·2 | 20·2 | 0·108 | ||
| Ownership of pets | 28·7 | 41·5 | 0·019 | 0·51 (0·30–0·88) | 0·016 |
| Recreational water contact | 35·5 | 69·7 | <0·001 | 0·23 (0·14–0·38) | <0·001 |
| Consumption of bottled water | 53·8 | 69·2 | 0·005 | 0·56 (0·33–0·97) | 0·037 |
| Contact with confirmed case | 7·1 | 11·3 | 0·289 |
OR, Odds ratio; CI, confidence interval.