Review: dietary advice improves dietary intake and reduces cardiovascular risk factors
Q Does dietary advice achieve sustained dietary changes and reduce cardiovascular risk factors in healthy adults?
Medline, EMBASE/Excerpta Medica, Cochrane Library, Cardiovascular Randomized Clinical Trial Registry, INST ED-Bibliomap, INST ED-EPPI-Centre, Current Controlled Trials (to 2000), SIGLE (to June 2000), CAB Health (to 1999), relevant Cochrane Review Groups, reference lists of systematic reviews, and experts in the field.
Study selection and assessment:
randomised and quasi-randomised controlled trials (RCTs) in any language that compared verbal or written dietary advice (delivered in person or by telephone to individuals or small groups for the purpose of reducing risk of chronic diseases) with no or minimal advice in healthy adults. RCTs were required to have ⩾3 months of follow up in ⩾80% of participants, <25% of participants with cardiovascular disease at enrolment, and ⩽10% of participants taking lipid …