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Table 3 Importance and consensus on duration of follow-up periods

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

Factors R2: Mdn R2: IQR R3: Mdn R3: IQR
At the set quit date or the end of a grace period: 4.00 3.00 4.00 1.00
Follow-up for 30 days 5.00 2.00 5.00 1.00
Follow-up for 3 months 5.00 2.00 5.00 1.00
Follow-up for 6 monthsa 6.00 2.00 6.00 1.00
Follow-up for 12 monthsa 6.00 2.00 6.00 0.00
Follow-up for 3 months with intermediate measurements 4.50 1.00
Follow-up for 6 months with intermediate measurementsa 6.00 1.00
Follow-up for 12 months with intermediate measurementsa 6.00 2.00 6.00 1.00
Follow-ups for 6 and 12 monthsa 6.00 2.00 6.00 0.00
  1. Mdn median score, IQR interquartile range
  2. aConsensus (IQRs ≤1) on important items (Mdn ≥ 6)