|PRISMS systematic meta-review||RECURSIVE systematic review|
|Population||Adults/children with asthma, from all social and demographic settings. Multi-condition studies if asthma data reported.||Adults (≥18 years) with asthma (within a wider search of long-term conditions), excluding studies in the developing world.|
|Intervention||Self-management support interventions.||Self-management support interventions.|
|Comparator||Typically ‘usual care’ or less intense self-management interventions.||Typically ‘usual care’ or less intense self-management interventions.|
|Outcomes||Unscheduled use of healthcare services (admissions, A&E attendances, unscheduled consultations), health outcomes (asthma control), quality of life, process outcomes (ownership of action plans, self-efficacy).||Healthcare utilisation with comprehensive measures of costs or major cost drivers (i.e. hospitalisation, A&E attendances), quality of life.|
|Settings||Any healthcare setting.||Any healthcare setting.|
Systematic reviews of RCTs.|
RCTs published after the date of the last search in the included systematic reviews (see Additional file 2).
Initial database search: January 1993 (3 years before the publication of the earliest systematic review identified in scoping work) to July 2012. Manual and forward citations were completed in November 2012.|
Update search: March 2015. Pre-publication update January 2017.
Initial database search: inception to May 2012.|
Update search: September 2015.
|Databases||MEDLINE, EMBASE, CINAHL, PsycINFO, AMED, BNI, Cochrane Database of Systematic Reviews, Database of Abstracts of Reviews of Effects, and ISI Proceedings (Web of Science).||CENTRAL, CINAHL, EconLit, EMBASE, Health Economics Evaluations Database, MEDLINE, MEDLINE In-Process & Other Non-Indexed Citations, NHS Economic Evaluation Database, and the PsycINFO.|
|Manual searching||Systematic Reviews, Health Education and Behaviour, Health Education Research, Journal of Behavioural Medicine, and Patient Education and Counseling.||Systematic Reviews.|
|Forward citations||On all included systematic reviews. Bibliographies of eligible reviews.||None.|
|In progress studies||Abstracts were used to identify recently published trials.||Abstracts were used to identify recently published trials.|
Previous versions of updated reviews.|
Papers not published in English.