Table 5.
Univariable* and multivariable exact logistic regression model results, examining the effects of predictor variables on the odds of acute gastrointestinal illness in Iqaluit, Nunavut, in September 2012
| Iqaluit September model | n | Univariable logistic results | Multivariable exact logistic model results | |||||
|---|---|---|---|---|---|---|---|---|
| OR | P | 95% CI | OR | P | 95% CI | |||
| Country fish consumption | ||||||||
| Less than half of meals | 458 | Ref. | Ref. | |||||
| Half or more of meals | 64 | 2·44 | 0·006 | 1·30–4·60 | 3·26 | 0·001 | 1·54–6·70 | |
| Exposure to cats | ||||||||
| No | 436 | Ref. | Ref. | |||||
| Yes | 90 | 2·35 | 0·003 | 1·33–4·16 | 2·07 | 0·023 | 1·06–3·95 | |
| Employment status of the person responsible for food preparation | ||||||||
| Not employed | 217 | Ref. | Ref. | |||||
| Employed | 306 | 2·13 | 0·008 | 1·22–3·73 | 2·12 | 0·016 | 1·13–4·13 | |
| Washing counter-top with soap | ||||||||
| No | 102 | 2·38 | 0·002 | 1·37–4·10 | 1·95 | 0·024 | 1·03–3·59 | |
| Yes | 418 | Ref. | Ref. | |||||
| Car ownership | ||||||||
| No | 262 | Ref. | – | – | – | – | ||
| Yes | 256 | 1·76 | 0·032 | 1·05–2·94 | – | – | – | – |
| Perceived quality of drinking water | ||||||||
| Very poor or poor | 37 | 2·14 | 0·061 | 0·96–4·74 | – | – | – | – |
| Fair, good, or very good | 482 | Ref. | – | – | – | – | ||
| Number of days leftovers are kept | ||||||||
| 1 day | 71 | Ref. | ||||||
| 2 days | 300 | 1·23 | 0·060 | 0·96–6·57 | – | – | – | – |
| ⩾3 days | 148 | 1·02 | 0·205 | 0·70–5·44 | – | – | – | – |
| Type of house | ||||||||
| Public housing | 194 | Ref. | – | – | – | – | ||
| Rented | 199 | 2·02 | 0·024 | 1·10–3·71 | – | – | – | – |
| Owned | 126 | 1·85 | 0·078 | 0·93–3·65 | – | – | – | – |
| Monthly living expenses | ||||||||
| Low (<$500) | 135 | Ref. | – | – | – | – | ||
| Medium ($500-$1700) | 166 | 2·32 | 0·032 | 1·08–5·01 | – | – | – | – |
| High (>$1700) | 226 | 2·37 | 0·022 | 1·13–4·95 | – | – | – | – |
| Education level of person responsible for food preparation in the home | ||||||||
| Elementary or lower | 202 | Ref. | – | – | – | – | ||
| High school or higher | 330 | 1·95 | 0·021 | 1·11–3·43 | – | – | – | – |
OR, Odds ratio; CI, confidence interval.
*
The results from the univariable analysis are presented for those variables with P < 0·10; however, those with P < 0·20 were considered in the multivariable model building process.