Table 2.
Session duration, interval of application, intervention time, intervention type, and country of the included studies
| Study | Coaching session time | Coaching interval of application | Intervention time | Intervention type | Country |
|---|---|---|---|---|---|
| Venditti et al (2014)11 | Not reported | 1–16 weeks: 1×/week; after 6 months: bimonthly | 3.2 years | In-person session, telephone, or email | USA |
| Temmingh et al (2013)18 | 5–30 minutes | First 3 months: 1 ×/week, after: 1 ×/month | 12 months | Telephone | South Africa |
| Leahey and Wing (2013)12 | 1 hour to 1 hour 30 minutes | First 6 weeks: 1×/week; 7th to 12th weeks: every 2 weeks; 13th week onward: 1×/month | 6 months | In-person session and email | USA |
| Shahnazari et al (2013)13 | 15–60 minutes | 1st month: 1× week; 2nd month onward: 1×/month | 6 months | In-person session and telephone | USA |
| Gabriele et al (2011)15 | Not reported | 1×/week | 12 weeks | USA | |
| Tucker et al (2008)14 | 30–90 minutes | 1×/week | 17 weeks | Telephone | USA |
| Adams et al (2013)19 | 10–30 minutes | Up to four per year | 6 months | Telephone | USA |
| Cinar and Schou (2014)16 | 8–10 minutes from the second session onward | One every 10–15 days | 10 months | In-person session and telephone | Turkey and Denmark |
| Mettler et al (2014)20 | 30–90 minutes | 1×/week | 12 weeks | In-person session | USA |
| O’Hara et al (2013)21 | Not reported | Not reported | 6 months | Telephone | Australia |
| Patja et al (2012)17 | More than 60 minutes | 1×/month | 10–11 months | Telephone | Finland |
| Wolever et al (2011)22 | 60–120 minutes for group sessions and 20–30 minutes for individual sessions | 1×/week to biweekly | 6–10 months | Telephone or in-person session | USA |