Table 1.

Features of studies

Author, year	Type of report	Study period	Location of study	Setting of NHS Health Check	Data collection method	n	Method of recruitment to study	Participant characteristics	Method of analysis
Baker et al, 201515	Journal article	Not given	South West England	30.1% of total practices delivering NHS Health Checks	Surveys including quantitative and qualitative questions	25	Identified randomly via the County Medical List to ensure geographical spread	2 GPs, 14 practice managers, 6 practice nurses, 2 HCAs and 1 administrator	Descriptive statistics Thematic analysis
Crabtree et al, 201017	Conference abstract	2009	Not given	32 (of 35) pharmacies in the area delivering NHS Health Checks	Semistructured telephone interviews	32	All 35 pharmacies delivering the service were contacted	15 pharmacists, 13 support staff and 4 pre-registration pharmacists	Thematic analysis
NHS Greenwich, 201129	Report	2011	Greenwich	Community	Open-ended questionnaire	11	All (12) clinicians delivering community outreach services providing NHS Health Checks were invited	HCAs, nurses, pharmacists and health trainers	Not described
Ismail and Kelly, 201516	Journal article	2010	Yorkshire	25 GPs	Semistructured interviews	58	Letters of invitation or flyers to 41 GPs targeted to reflect diversity in terms of performance	HCAs, GPs, practice managers, practice nurses and other support staff	Framework analysis
Krska et al, 201618	Journal article	2011	Sefton, an area of North West England	33 (of 55) GPs	Postal survey with free-text responses	83 (76% of practice managers and 24% of GPs)	Personally addressed letters of invitation with a covering letter to all practice managers and GPs at 55 practices	40 practice managers and 43 GPs	Categorisation of responses
Loo et al, 201119	Conference abstract	2009	Not given	Pharmacies	Postal questionnaire	442 (34%)	Questionnaire posted to all pharmacies in the area	All pharmacists 59% men; 89.1% full-time; 53.4% worked for large multiple pharmacies	Descriptive statistics
McDermott et al, 201620	Journal article	2013–2015	2 London boroughs	17 GPs	Semistructured interviews	24	Recruited from within a trial of an enhanced invitation method	52% practice managers, 9% HCAs, 30% administrators, 9% public health leads	Framework analysis
McNaughton et al, 201121	Journal article	Not given	Tees Valley	8 pharmacies	Semistructured interviews	20	Postal invitation	10 primary care trust members, 8 pharmacists, 2 representatives from Local Pharmaceutical Committee	Thematic analysis
Nicholas et al, 201322	Journal article	2011	2 London boroughs	70 (of 96) GPs	Survey with free-text responses	65	Invitations to all 96 GPs	25 practice managers, 8 GPs, 16 practice nurses, 2 HCAs, 3 administrators and 14 not specified	Descriptive statistics Content analysis
Oswald et al, 201028	Evaluation report	2009–2010	Teesside	13 GPs	Semistructured interviews	25	Letter of invitation to practice managers	8 practice managers, 14 practice nurses, 1 GP, 1 HCA, 1 pharmacist	Thematic analysis
Research Works, 201323	Research report	2013	Not given	All settings	Semistructured interviews	26	Contacts provided by commissioners with snowballing recruitment	14 commissioners, 12 GPs, practice managers, healthcare assistant, nurse practitioner, physical activity development officer, health bus workers and a community pharmacist	Not described
Riley et al, 201525	Journal article	2013	Bristol inner city	Community settings	Semistructured interviews	4	Participants were recruited via their involvement with community outreach events	1 practice nurse, 1 HCA, 1 engagement worker and 1 health trainer	Thematic analysis
Riley et al, 201624	Journal article	2013–2014	Bristol	11 GPs	Semistructured interviews	15	18 were invited with purposive sampling	5 GPs, 5 practice nurses, 3 HCAs, 2 pharmacists	Thematic analysis
Shaw et al, 201526	Journal article	2010–2011	Birmingham and Black Country	GPs and community	Semistructured interviews	31	Recruited through lead clinicians	9 GPs, 6 practice managers, 4 practice nurses, 6 HCAs, 1 alternative provider director, 1 call centre manager, 2 call centre operatives and 2 alternative provider registered practice nurses	Thematic analysis
Shaw et al, 201627	Journal article	Not given	Birmingham	GPs	Semistructured interviews	9	Recruitment undertaken by local NHS trust. No further details were provided	All GPs	Thematic analysis

GP, general practice; HCA, healthcare assistant; NHS, National Health Service.