Table 2.

Search terms and synonyms.

Term	Synonyms
Paramedic	‘Paramedic*’ or ‘ems’ or ‘emergency medical service’ or ‘prehospital’ or ‘pre-hospital’ or ‘ambulance’ or ‘emergency medical technician’ or ‘emt’ or ‘frontline’
Humour	‘Humour’ or ‘humor’ or ‘laugh’ or ‘laughing’ or ‘laughter’ or ‘jokes’
Well-being	‘wellbeing’ or ‘well-being’ or ‘stress’ or ‘worry’ or ‘depression’ or ‘anxiety’ or ‘PTSD’ or ‘post traumatic stress disorder’ or ‘emotion*’