Types of participants
Clients, aged 18 years and over, in real-life settings. We define
’client’ as an adult participating in a chronic disease prevention
or chronic disease management study involving dietary advice.
We included clients who had a diet related-chronic disease (e.g.
obesity, cardiovascular disease, renal failure, hypertension) or at
least one risk factor for a chronic disease (e.g. overweight, hyperlipidaemia).
We included family or non-family caregivers such as
wife/husband or individual living with the client and involved in
meal planning and preparation. We also included studies involving
health professionals delivering dietary advice.