Table 2 Review Selection Criteria

Any LTC (including MUPS) not limited to the conditions discussed in the introduction e.g. kidney or inflammatory bowel disease

Mental health or psychiatric conditions in the absence of LTC

Any age group from school-aged adolescents (≥ 10 years) onwards in order to ensure appropriate levels of understanding and communication of QOL domains

Pre-school or primary school children (0–9 years)

Any gender

No gender exclusions

Any cultural, education or socio-economic status

No cultural, education or socio-economic exclusions

Any care setting or delivery format

No care setting or delivery format exclusions

Psychological intervention (in any format) including those which include alternative but related terminology e.g. cognitive behavioural therapy (CBT) or mindfulness

Non-psychological interventions

Target and assess LTC patients directly

Psychological interventions designed to indirectly target LTC patients (through clinicians, family, carers etc.)

Any facilitator

No facilitator exclusions

RCT (Level I Quantitative evidence)

Levels II-V Quantitative evidence, qualitative studies, book chapters, dissertations, SR and meta-analysis papers, unpublished journals or grey material

Journal articles published in English

Non-English publications

Comparisons made between intervention and UCC at all relevant points

No intervention and/or UCC conditions

Published between 2006 and February 2016

Published prior to 2006 and after February 2016

QOL, HR-QOL and/or WMB

Non-psychological assessment

Assess patients directly

Measures that indirectly assess patients (through clinicians, family, carers etc.)