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Table 3 Odds ratios (OR) and 95% confidence intervals (CI) of public transportation modes of high urinary cotinine concentration (≥3.14 μg/g creatinine) compared to low urinary cotinine concentration

From: Female non-smokers’ environmental tobacco smoking exposure by public transportation mode

Category

OR(95% CI)

Model 1a

 
 

Subway

Reference

 

Bus

1.30(0.87–1.95)

 

Taxi

2.39(1.00–5.69)

Model 2b

 
 

Subway

Reference

 

Bus

1.21(0.80–1.84)

 

Taxi

2.42(0.97–6.04)

  1. aModel 1: Adjusted with involuntary smoking frequency bModel 2: Adjusted with involuntary smoking frequency, alcohol, age, body mass index, education, exercise, household income, job classification, marital status, region, using frequency of public transportation
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Annals of Occupational and Environmental Medicine

ISSN: 2052-4374

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