TABLE 1.

Summary table of included studies with descriptive themes from thematic synthesis

Study information				Descriptive themes
Study name	Country	GP and/or nurse	Study type, e.g., focus groups	Lack of confidence in treatments	Lack of confidence in patients' ability to follow treatments	Awkward nature of discussing weight	Lack of knowledge/skills	Lack of resources/competition for resources	Not GPs' or nurses' responsibility	Stigma
Mercer and Tessier 11	UK	10 GPs 10 nurses	Interviews after survey	✓	✓	✓	✓	✓
Huang et al. 31	US	24 GPs	Focus groups	✓	✓
Douglas et al. 32	SCO	10 nurses	Interviews after questionnaire				✓	✓
Epstein and Ogden 33	UK	21 GPs	Interviews	✓		✓	✓		✓
Ribera et al. 24	ESP	33 GPs and Nurses	Interviews and focus groups	✓	✓	✓	✓	✓
Forman‐Hoffman et al. 34	US	Seven GPs	Focus groups	✓	✓	✓		✓
Alexander et al. 35	US	17 GPs	Focus groups		✓	✓	✓		✓
Brown et al. 36	UK	15 GPs	Interviews after survey		✓	✓				✓
Leverence et al. 37	US	14 GPs and nine nurses	Interviews	✓	✓	✓		✓	✓
Ampt et al. 28	AUS	15 GPs and one nurse	Interviews (after prevention trial)				✓	✓	✓
Ali et al. 38	UAE	15 GP and five nurse	Interviews (new sample)						✓
Jochemsen‐van der Leeuw et al. 39	NL	13 GP trainees and 12 trainers	Focus groups (new sample)	✓	✓	✓	✓		✓
Hansson et al. 40	SWE	10 GPs and 10 nurses	Interviews		✓	✓		✓	✓	✓
Heintze et al. 41	DEU	15 GPs	Interviews		✓	✓			✓
Derksen et al. 42	NL	12 GPs and three nurses	Interviews and focus groups	✓		✓
Gudzune et al. 30	US	24 GPs and two nurses	Focus groups (after obesity trial)	✓	‘✓	✓	✓	✓
Gunther et al. 43	UK	Seven GPs and seven nurses	Interviews			✓	✓	✓	✓	✓
Nolan et al. 26	UK	22 nurses	Interviews	✓	✓		✓	✓	✓
Sonntag et al. 44	DEU	15 GPs	Interviews		✓	✓.			✓
Phillips et al. 45	UK	18 nurses	Interviews	✓	✓	✓	✓
Claridge et al. 46	NZ	12 GPs	Interviews	✓		✓			✓	✓
Blackburn et al. 47	UK	17 GPs and 17 nurses	Interviews			✓	✓	✓		✓
Kim et al. 48	AUS	12 GPs	Interviews	✓	✓	✓
Teixeira et al. 4	PRT	16 GPs	Interviews	✓	✓				✓
Ashman et al. 29	AUS	12 GPs	Interviews	✓		✓	✓
Antognoli et al. 27	US	Nine GPs	Interviews with most knowledgeable GP trainers after survey		✓	✓	✓	✓	✓	✓
Asselin et al. 49	CAN	15 nurses	Interviews (participants from obesity trial)						✓
Glenister et al. 50	AUS	Seven GPs and seven patients	Interviews	✓		✓	✓	✓	✓	✓
Lee et al. 25	SGP	50 GPs	Interviews and focus groups	✓		✓
Total				17	17	22	15	13	16	7

Abbreviation: GP, general practitioner.