7. MIX Study characteristics.
| Study | Studies employing Mixed Intervention | Control | Study duration (weeks) | ||
| Increased support and reinforcement components | Increased educational components | Behavioural therapy | |||
| Bartlett 2013 | 1 x 30 minute group education session | 1 x 35‐minute intervention based on SCT , including perceived self‐efficacy, outcome expectations, and social support | Usual care + a 30‐minute group education session and social period matching the duration of the intervention | 24 | |
| Bouloukaki 2014 | Two phone calls from study nurse to discuss CPAP use, 1 month of sleep diary review by sleep specialist, and 6 in‐person follow‐ups involving patient's family or spouse | 1 x 15 minute video education session covering OSA topics, followed by 10‐minute lecture to reinforce key topics | Usual care | 104 | |
| Chen 2015 | Personalised guidance from a study nurse, home visits from a nurse discussing lifestyle management, mental well‐being, and 1 x 30‐minute consultation with a sleep physician | 1 x pre‐treatment OSA educational video | Usual care | 52 | |
| Hui 2000 | 2 additional early reviews by sleep physician and frequent telephone calls by sleep nurses | Videotape and additional education session | Usual care | 12 | |
| Hwang 2017 | Intervention based on automatic processing of device data. If CPAP usage thresholds were met, a message was automatically sent to the patient providing encouragement to improve use or positively reinforcing successful adherence. | Education about pathophysiology of OSA, health‐related risks, impact on daytime vigilance, introduction to CPAP therapy | Usual care | 12 | |
| Lewis 2006 | 1 additional early review by sleep physician and 1 early telephone interview with sleep nurse | Educational video | Usual care | 52 | |
| Meurice 2007 | 4 additional home visits in the first 3 months by sleep practitioner for problem solving | Written information and detailed explanation by the prescriber, additional education during home visits | Written information and detailed explanation by the prescriber + usual care | 52 | |
| Sawyer 2017 | Educational DVD on sleep apnoea and PSG review | 4 x 30‐60 minute sessions addressing cognitive perceptions of the OSA and CPAP, outcome expectancies with PAP treatment, and PAP treatment self‐efficacy, all domains of SCT | Usual care and an informational pamphlet about OSA, diagnosis and PAP prescription provided by sleep centre | 12 | |
| Sedkaoui 2015 | 5 x standardised support sessions through telephone‐based counselling | Education addressing knowledge about OSA, disadvantage or obstacles to CPAP | Usual care | 16 | |
| Shapiro 2017 | 2 x support calls with study investigator to promote the use of CPAP | 1 x educational session using an airway model along with a video and worksheet on OSA, and a report card to document OSA severity, CPAP setting and use and participant self‐evaluation | Usual care | 4 | |
| Smith 2006 | Home video‐link sessions delivered by nurse, who guided correct CPAP use and provided problem solving | Nurse provided education on CPAP and OSA | Home video‐link sessions similar in form to intervention but directed activities in neutral health topics (vitamin intake) | 12 | |
| Wang 2012 | Three nights of CPAP titration in the hospital | 4‐hout group education session, written information, video CD | 12 x 40 minute group PMR practice sessions over 12 weeks | Usual care | 12 |
Abbreviations:
CPAP: continuous positive air pressure;DVD: Digital versatile disc; OSA: obstructive sleep apnoea; PAP: positive air pressure; PSG: polysomnography; SCT: social cognitive therapy