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Table 9 Standard of evidence of effectiveness: examining the 34 programs with the highest quit-rates

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

First author Quit rate Subjects/cell Design Outcome Reach Retain
  >12% >9% >40 >30 >20 E QE SG C IM DIFF 24%+ 49%+
Ary * * * * * *      4% * *
Aveyard * * * * * *      0% * *
Bauman * * * * * *      9% * *
Chakrovorty * * * * * *     *   NR *
Charlton * * * * *   *     7% *  
Colby * *    * *      10% * *
C-Wallace * * * * *   *    *    *
Digiusto * * * * *   *     7%   *
Dino   * * * *   *     3%   *
Eakin   *    *    *     * *
Fibkins * *    *    *   *    *
Glasgow   * * * * *      4% * *
Goldberg   * * * *   *      NA *
Greenberg * *    *   *     13% * *
Hafstad   * * * *    * *    NR *
Horn * * * * *   *     10%   *
Jason * *      *     41% * *
Jerome * *       *   *    *
Lampkin * * * * *    *     * *
Librett * * * * *    *   *   * *
M-Koffman * * * * *    *     * *
McDonald * * * * *    *   *   NR  
Myers-2 * *   * *    *     NR *
Patten   * * * *    *     NA *
Patterson * *    *    *     NR *
Pendell * * * * *    *   *   NR NR
Perry-2 * *    * *       * *
Peters * * * * *    *     * *
Prince * *   * *   *       *
Sussman-2 * * * * * *      9% * *
Sussman-3 * * * * * *      13% * *
Vartiainen * * * * *    * *     *
Weissman * *       *     NA *
Zheng * *       *   *   * *
  1. * = meets this criterion; NA = not applicable; NR = not reported; E = experimental design; QE = quasi-experimental design; S = single-subject design; C = community-wide type study; IM = use of an immediate outcome proxy; DIFF = whether or not and how much difference was observed between a program and a control group; + = or more.