cotinine risk_factor_for lung cancer

cotinine levels ... positively associated with lung cancer risk (OR=1.36 ... Ptrend =3*10−73 per 200 nmol/L of cotinine).

the relationship between cotinine and risk increased monotonically, consistent with previous observations

adjusted ORs for the effect of cotinine on lung cancer risk

Risk effects of smoking measured as cotinine ... on lung cancer risk were analyzed