Research Article
Determining Optimal Cutoffs for Exhaled Carbon Monoxide and Salivary Cotinine to Identify Smokers among Korean Americans in a Smoking Cessation Clinical Trial
Table 2
The number of participants completed each follow-up assessment and CO and cotinine measures.
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aNot applicable. bDetermined by exhaled and salivary (10-30 ng/ml) except for a 1-month follow-up at which abstinence was determined by exhaled CO only. |