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Table 1 Importance and consensus on self-reported outcome measures (R2: n = 48, R3: n = 37)

From: Exploring consensus on how to measure smoking cessation. A Delphi study

Factors R2: Mdn R2: IQR R3: Mdn R3: IQR
Number of cigarettes smoked (past 24 h) 5.00 2.00 5.00 1.00
Number of cigarettes smoked (past 7 days)a 6.00 2.00 6.00 1.00
Quit attempts during past 7 days 4.00 2.00 4.00 1.00
Quit attempts past month 5.00 2.00 5.00 1.00
Point-prevalence abstinencea 6.00 2.00 6.00 1.00
 • Past 24 h 5.00 3.00 5.00 1.00
 • Past 7 daysa 6.00 2.00 6.00 1.00
 • Past 30 days 5.00 2.00 5.00 1.00
 • Past 2 months 4.00 2.00 4.00 1.00
 • Past 3 months 4.00 2.00 4.00 1.00
Continuous abstinencea 6.00 1.00
 • Past 30 daysa 6.00 2.00 6.00 1.00
 • Past 2 months 5.00 2.00 5.00 1.00
 • Past 3 months 5.00 2.00 5.00 0.00
 • Past 6 monthsa 6.50 1.00
 • Past 12 months 6.00 2.00 6.00 2.00
Prolonged abstinencea 7.00 1.00
 • Past 30 days 5.00 2.00 5.00 1.00
 • Past 2 months 4.50 1.00
 • Past 3 months 5.00 2.00 5.00 1.00
 • Past 6 monthsa 7.00 1.00
 • Past 12 monthsa 6.50 1.00
Grace period:     
 • 1 week, duration at the start of the quit attempt (grace period) 5.00 2.00 5.00 1.00
 • 2 weeks, duration at the start of the quit attempt (grace period) 5.00 2.00 5.00 2.00
  1. Mdn median score, IQR interquartile range
  2. a = Consensus (IQRs ≤1) on important items (Mdn ≥ 6)