Chunk #7 — 2. Methods — 2.2 Measures — 2.2.2 Outcomes

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Is the Fagerström test for nicotine dependence invariant across secular trends in smoking? A question for cross-birth cohort analysis of nicotine dependence.

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yes

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The FTND is a six-item questionnaire with scores ranging from 0 (no dependence) to 10 (highest dependence level). Our study focused on FTND scores based on habits among current smokers (current FTND) and compared them with results from when they reported smoking the most (lifetime FTND).