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Table 4 Treatment Means: 2006 and Current Analysis Stratified by Follow-up Duration

From: Youth tobacco use cessation: 2008 update

Follow-up Duration 2006 Estimate Current Estimate
0–3 month (36, 38) 3.88 4.17
4–12 month (21, 29) 2.92 4.06
> 12 month (5, 8) 6.62 6.78
  1. Note. The information in parentheses indicates the number of studies in 2006 and then the current analysis. Moolchan et al. (2005) had a 3 month follow-up but this study is not included in this table's current estimate because it had not included a standard care control condition.