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Self Reported Exposure to Second Hand Smoke and Positive Urinary Cotinine in Pregnant Nonsmokers

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Academic year: 2020

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Figure

Fig. 1.Questions related to second-hand smoke used in a questionnaire.
Table 1. Baseline Characteristics of the Study Participants with Positive and Negative Urinary Cotinine Level (n = 412)
Table 2. Characteristics of the Subjects Who Reported Exposure to Second-hand Smoke (n = 249)
Table 3. Stepwise Multiple Logistic Regression Analysis: Variables Associated with Positive Urinary Cotinine Levels (40 ng/mL) among the Participants Who Reported Living with a Smoker in the House (n = 170)

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