Table I.
Number of sessions per patient and number of patients per therapist for 24 studies of adherence/competence
| Study | n | Individual, family or group therapy | Diagnosis | Treatments | Number of sessions per patient | Number of patients per therapist |
|---|---|---|---|---|---|---|
| Barber et al., 1996 | 29 | Ind. | Major depressive disorder | SE | 1 | 7.2 |
| Barber et al., 2006 | 95 | Ind. | Cocaine dependence | IDC | 1 | 8 |
| Barber et al., 2008 | 108 | Ind. | Cocaine dependence | SE | 1.2 | 8.3 |
| Carroll et al., 1997 | 121 | Ind. | Cocaine dependence | CBT, desipramine and CM | 2 | 11 |
| Feeley et al., 1999 | 32 | Ind. | Major depressive disorder | CT vs. CT and imipramine | 3 | 8 |
| Gaston & Ring, 1992 | 16 | Ind. | Major depressive disorder | BDT vs. CT | 3 | 4 |
| Gaston et al., 1998 | 91 | Ind. | Major depressive disorder | BT vs. CT vs. BDT | 1.5 | 9.1 |
| Hogue et al., 2008 | 136 | Ind. vs. family | Adolescent substance use | CBT vs. MDFT | 3.2 | 15.5 |
| Horowitz et al.,1984 | 52 | Ind. | Grief reactions | BDT | 4 | 5.8 |
| Huppert et al., 2006 | 205 | Ind. | Panic disorder | CBT | 5.8 | 4.0 |
| Loeb et al., 2005 | 81 | Ind. | Bulimia nervosa | CBT vs. IPT | 3 | 10.1 |
| Luborsky et al., 1985 | 110 | Ind. | Drug use disorder | CBT, IDC, vs. SE | 3 | 12.3 |
| Manassis et al., 2002 | 78 | Ind. vs. group | Childhood anxiety disorder | CBT | 1 | unknown |
| Mohr et al., 2001 | 63 | Ind. vs. group | Major depressive disorder and multiple scleros | CBT vs. SEG | 1 | 4.7 |
| Newman et al., 2011 | 83 | Ind. | General anxiety disorder | CBT vs. CBT and interpersonal | 2.5 | 28 |
| Ogrodniczuk & Piper 1999 | 50 | Ind. | Mixed | BDT vs. ST | 1 | 2.8 |
| Ogrodniczuk & Piper 1999 | 50 | Ind. | Mixed | BDT vs. ST | 1 | 6.2 |
| Ogrodniczuk & Piper 1999 | 144 | Ind. | Mixed | BDT vs. ST | 9 | 18 |
| O’Malley et al., 1988 | 35 | Ind. | Major depressive disorder | IPT | 1 | 3.2 |
| Paivio et al., 2004 | 37 | Ind. | Experienced childhood abuse | EFT | 2.5 | 3.7 |
| Sachs, 1983 | 3 | 2.6 | ||||
| Shaw et al., 1999 | 40 | Ind. | Major depressive disorder | 8.4 | 5 | |
| Strauman et al., 2006 | 45 | Ind. | Major depressive disorder or dysthymic disorder | CT vs. SST | 1.4 | 5 |
| Svartberg & Stiles, 1992 | 15 | Ind. | Mainly anxiety diagnosis | STAPP | 1 | 1.9 |
| Trepka et al., 2004 | 30 | Ind. | Major depressive disorder | CT | 1 | 5 |
| Wood et al., 2006 | 40 | Ind. vs. family | Childhood anxiety disorder | CBT | 2 | 4.4 |
| Glisson et al., 2010 | 615 | Family | Mixed | MST | 3 | Unknown |
| Weisz et al., 2009 | 57 | Mainly ind. | Youth depression | CBT vs UC | 1.6 | 1 |
Note. BT, behavioral therapy; BDT, brief dynamic therapy; CBT, cognitive behavior therapy; CM, clinical management: a therapy control condition; CT, cognitive therapy; EFT, emotion-focused therapy; IDC, individual drug counseling; IPT, interpersonal therapy; MDFT, multidimensional family therapy; MST, multi-systemic therapy; SE, supportive expressive therapy; SEG, supportive expressive group therapy; SST, self system therapy; ST, supportive therapy; STAPP, short-term anxiety-provoking psychotherapy; US, usual care.