Table 2 |
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|
Odds ratios for the association between bus/tram use and ARI (n = 127) |
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|
Exposure |
Cases (n = 67) |
Controls (n = 60) |
Unadjusted OR (95% CI) |
Model 1a: Adjusted OR (95% CI) |
Model 2: Adjusted OR (95% CI) |
|
|
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|
Bus/tram usage in previous 5 days: |
|||||
|
No |
33 (49%) |
31 (52%) |
1.00 |
1.00 |
1.00 |
|
Yes |
34 (51%) |
29 (48%) |
1.10 (0.55-2.21) |
1.09 (0.50-2.38) |
5.94 (1.33-26.5)b |
|
Frequency of public transport use: |
|||||
|
<once a week |
40 (60%) |
24 (40%) |
1.00 |
1.00 |
1.00 |
|
1-3 times a week |
9 (13%) |
20 (33%) |
0.27 (0.11-0.69) |
0.27 (0.10-0.74) |
0.54 (0.15-1.95)c |
|
>3 times a week |
18 (27%) |
16 (27%) |
0.68 (0.29-1.57) |
0.81 (0.32-2.08) |
0.37 (0.13-1.06)c |
|
p-trend = 0.196 |
p-trend = 0.463 |
p-trend = 0.057 |
|||
|
|
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|
Missing data have been excluded from the analysis; statistically significant results in bold; a adjusted for age, gender and co-morbidity; badjusted for age, gender, co-morbidity, deprivation, child cohabitation, flu vaccination and frequency of habitual public transport use; cadjusted for age, gender, co-morbidity, child cohabitation, flu vaccination and deprivation |
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|
Troko et al. BMC Infectious Diseases 2011 11:16 doi:10.1186/1471-2334-11-16 |
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