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Table 8 Follow-up outcomes of the 66 studies as a function of modality

From: Effects of sixty six adolescent tobacco use cessation trials and seventeen prospective studies of self-initiated quitting

Modality # studies Quit % (#s) Quit 2% (#s) % reduct (#s) % reduct 2 (#s)
Classroom 9 17 (9) - 15 (4) -
School clinics 28 12 (18) 12 (26) 34 (11) 37 (19)
Medical/recovery clinics 13 10 (9) 10 (11) 27 (8) 14 (9)
Family 1 31 - 9 -
System-wide 11 6 (9) 7 (8) 15 (2) -
Computer 3 13 (2) 18 (3) - 41 (1)
Sensory deprivation 1 0 - 24 -
  1. Quit % (#s) = % quit at follow-up (# studies that provided data); Quit 2% (#s) = % quit at follow-up, and immediate posttest quit rates used if data is missing (# studies that provided data).