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Table 6 Cessation studies-outcomes

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

Investigators % quit at posttest (Attended first session) Mean reduction at posttest (Non-quitters/attended first session) Length of follow-up % quit at follow-up (Attended first session) Mean reduction at follow-up
(Non-quitters/attended first session)
Ary et al. NR NR 12 months 35% – program
31% – control
31%
Aveyard et al. NR NR 5 months (1 year after pretest) 20% – transtheoretical program
20% – control
NR
Baskerville, Hotte, Dunkley 22% – Quit-and-Win participants
6% – intervention schools
5% – control schools
NR 6 months 2% – Quit-and Win participants
NR – intervention or control schools
NR
Bauman et al. NA NA 1 year 31% – family program
22% – control (not significant)
NR
Beaglehole et al. NR NR ~3 months 1% increase-program
1% decrease-control
NR
Biener et al. NA NA ~1 year 0% NR – 29% decrease overall
Chakravorty 13% – both conditions NR NA NA NA
Charlton NR NR 6 months 17% – clinic course
10% – individual package (control)
NR
Cinnomin, Sussman NR NR 1 month 17% – cognitive-behavioral/social influence
0% – chemical addiction
42% – cognitive-behavioral/social influence
5% – chemical addiction
Colby et al. NR NR 3 months 20% – motivation interviewing
10% – brief advice
10% – both conditions
Coleman-Wallace et al. 12% – TEG
15% – TAP
0% – control (small n)
18% – TEG
24% – TAP
0% – control
NA NA NA
Corby et al. 100% NA 3 weeks 0% 0%
Digiusto 8% – both program conditions NR 3–4 months 14% – both program
7% control
NR
Dino et al. 17% – NOT, 8% brief intervention 59% – NOT, 42% – brief intervention 5 months 10% – NOT 7% – brief intervention 57% – NOT, 51% – brief intervention
Eakin, Severson, Glasgow 28% 77% 6 months 12% 45%
Etter, Ronchi, Perneger NA NA 7 months after baseline 0% – both program and control conditions 3% increase in program, 5% increase in control
Fibkins 19% ~30% NA NA NA
Forster et al. NA NA 36 months 2% increase program
7% increase control
6% relative reduction
Glasgow et al. NR NR 6 months 10% program
6% control
NR
Glover 2% NR 6 months 2% NR
Goldberg, Gorn 20% NR 3 months 11% NR
Greenberg, Deputat 40% – fear
27% – facts
36% – values
6% – control
NR 5 months 12% – fear
16% – facts
24% – values
4% – control
NR
Hafstad, Aaro, Langmark NR NR 2 weeks (5 weeks since start of campaign) 12% NR
Horn et al. 14% – NOT, 4% brief intervention 76% – NOT, 54%-brief intervention NA NA NA
Horswell, Horton ~6% – Pack In Those Smokes (PITS)
0% – control
63% – PITS
0% – control
6 months ~6% – PITS
0% – control
46% – PITS
0% – control
Hotte et al. 8% – group
2% – kit-only
7% – group
3% – kit-only
6 months 4% – group
NA – kit-only
4% – group
NA – kit-only
Hurt et al. 11% ~49% 6 months 5% ~19%
Jason, Mollica, Ferrone 55% – both program groups
0% – control group
14% – both program groups
50% – control
17 months 41% – both program groups
0% – control
0% – both program groups
400% increase-control
Jerome 29% 41% NA NA NA
Johnson et al. 0% for all groups NR 24 months 0% for all groups NR
Kempf, Stanley NA NA 2 weeks NR – "as-if" 100% in smoke-free program but not stated 4% – program NR
Killen et al. NR NR 2 months 9% – control NR
Lampkin NR NR ~5 months 14% 18%
Librett 17% 39% NA NA NA
Lotecka, McWhinney NR 64% – coping
0% – information (control)
NA NA NA
Matson-Koffman, Miller NR NR 12 months 16% ~12%
McDonald, Roberts, Deeschaemaker 16% 61% NA NA NA
Mills, Ewy, Dizon 15% (all were senior high youth) 8% 3 months 7% 7%
Murray, Prokhorov, Harty 2.3% – program State
0.1% increase-control
State; difference not significant
NR NA NA NA
Myers, Brown NR NR 24 months 5% 19%
Myers, Brown, Kelly NR NR 3 months 17% ~60%
Pallonen ~20% NR 6 months 6% NR
Patten et al. 18% NR mean of 64 months 12% ~18%
Patterson 14% – last 48 hours NR 3 months 14% NR
Pendell 14% across TEG and TAP 50% across
TEG and TAP
NA NA NA
Perry et al. NR NR 4 months 5.7% quit (below monthly use) in program condition
4.1% increase in control condition
NR
Perry et al. NR NR 1–2 months 23% across conditions
(27% – long-term health, 17% – social consequences, 29% – immediate effects, not significant differences, small n)
7% – long-term health, increased 16% – social consequences, 17% – immediate effects (not significant)
Peters 17% at 6 months NR 12 months 15% NR
Peterson, Clark 0% program and control groups NR 1 month 0% program and control groups 44% discussion group
9% control
Popham et al. NR NR 12 months 2% – 1% difference as a function of exposure NR
Prince 16% 42% 1 month 16% 42%
Quinlan, McCaul NA NA 1 month 3% – stage matched
14% – stage mismatched
0% – control
NR
Rigotti et al. 0% – program
1% – control
NR 24 months-anonymous surveys 3% increase-program
0% – control
NR
Skjoldebrand, Gahnberg ~4% NR NA NA NA
Smith et al. 14% 93% 12 months 5% 59%
St. Pierre, Shute, Jaycox 0% ~31% NA NA NA
Suedfeld et al. NA NA 3 months 0% Sensory D-Message 28%
Sensory D-No Message 22%
No Sensory D-Message 22%
Control 0%
Sussman, Burton et al. 35% – chemical addition-ST
11% – chemical addiction – smoking
24% – psychosocial dependency – ST
26% – psychosocial dependency – smoking
8% – wait-list control-smoking
NR 3 months 15% – program conditions – ST
7% – program conditions – smoking
0% – wait list control – ST
8% – wait list control – smoking
NR
Sussman, Dent, Lichtman 14% – both program conditions
NA – control
23% – both program conditions
NA – control
4–5 months 17% – both program conditions
8% – control
23% – in all conditions
Sussman, Dent, Stacy NR NR 12 months 34% – health educator
21% – self-instruction
21% – control
15% – health educator
0% – self-instruction and control
Townsend et al. 60% – agreed to try to quit NA NA NA NA NA
Vartiainen et al. NA NA 6 months 28% NR
Wakefield et al. NA NA ~24 months Odds ratios
Public place .90
Home ban .78
Enforce school ban .89
NA
Weisman et al. 36% 25% 5 months 36% NR
Zavela, Harrison, Owens NR NR 1 month NR mean days abstinent mint snuff – 18.8 (63% of month)
bubble gum – 21.5 (72% of month)
No substitute – 23.5
(78% of month)
Zheng 13% 7-day quit rate
4% 30-day quit rate
20% NA NA NA
  1. NA = not applicable; NR = not reported; ~ = approximately.