Volume 17, Number 2—February 2011
Risk Factors for Cryptococcus gattii Infection, British Columbia, Canada
||MOR (95% CI)
|Lung conditions†||3.21 (1.08–9.52)|
|Liver disease||4.00 (0.36–44.10)|
|Other fungal infections||1.69 (0.23–12.20)|
|Oral steroid use‡||8.11 (1.74–37.80)|
|Current smoker||1.00 (0.34–2.93)|
| Ever smoked
|Living with 1 mile of woods||1.70 (0.17–2.02)|
|Outdoor building or repairing house||4.00 (1.00–16.00)|
|Cutting/chopping wood||0.17 (0.04–0.76)|
|Cleaning up branches||0.29 (0.10–0.84)|
|Digging earth||0.93 (0.38–2.30)|
*MOR, matched odds ratio; CI, confidence interval. Boldface indicates significant risk factors.
†Includes emphysema, chronic bronchitis, chronic obstructive pulmonary disease, sarcoidosis.
‡In 3 mo before symptom onset.
§Other environmental risk factors not significant at α = 0.05: animal or crop farm within 1 mile of residence; construction or landscaping activities; cleaning of buildings, eaves, troughs, or bird feeders; contact with individual tree species; visits to botanical gardens; boating; use of compost materials and bark mulch.