Table 4 Travel and odds ratio for being a case from multiple logistic regression
From: Risk factors for malaria in high incidence areas of Viet Nam: a case–control study
Travel variable | Total | Cases | Controls | Odds ratio for case | p value |
|---|---|---|---|---|---|
To different province | 122 (6.1%) | 78 (7.8%) | 44 (4.4%) | 0.5238 (0.2582–1.034) | 0.0665 |
To different district | 169 (8.5%) | 115 (11.5%) | 54 (5.4%) | 2.212 (1.203–4.232) | 0.0129 |
To different commune | 461 (23.1%) | 290 (29.0%) | 171 (17.1%) | 0.9255 (0.6048–1.408) | 0.7193 |
International | 109 (5.5%) | 70 (7.0%) | 39 (3.9%) | 2.563 (0.9462–8.217) | 0.0821 |
Non-work | 508 (25.4%) | 330 (33.0%) | 178 (17.8%) | 0.959 (0.6382–1.446) | 0.8407 |
Work only | 348 (17.4%) | 217 (21.7%) | 131 (13.1%) | 3.489 (2.705–4.510) | < 0.0001 |
Number of nights away* | 1 (0–9.5) | 6 (0–12) | 0 (0–3) | 1.353 (0.9357–1.957) | 0.108 |
Visit forest | 995 (49.8%) | 640 (64.0%) | 355 (35.5%) | 2.759 (0.9833–9.928) | 0.078 |
Live in forest | 55 (2.8%) | 35 (3.5%) | 20 (2.0%) | 1.014 (1.001–1.027) | 0.0357 |
Days in the forest* | 1 (0–5) | 2 (0–7) | 0 (0–3) | 0.9753 (0.9568–0.9940) | 0.01 |