Williams 1987.

Methods	Explored the effects of intensive dietary counselling in adolescents with CF upon nutritional status. The participants were randomly divided into three groups (control vs counselling and normal food vs counselling and enteric coated pancreatic enzyme supplements). The groups were matched for age sex and Schwachman score.
Participants	28 adolescents with CF aged 9 ‐ 18 years.
Interventions	The participants in the first group were the controls. Then the second group received a counselling to improve dietary intake to > 130% of RDI calculated form expected weight for height), using normal foods and simple supplements; the final group received counselling and enteric coated pancreatic enzyme supplements instead of conventional supplements. Duration: 1 year.
Outcomes	Change in weight; dietary intake; improvements in MAC.
Notes	Published as an abstract.

BMQ: Beliefs about Medicines Questionnaire
CF: cystic fibrosis
CPT: chest physical therapy
FET: forced expiration technique
HIAT: home intravenous antibiotic therapy
MAC: mid‐arm circumference
PFT: pulmonary function tests
QoL: quality of life
RDI: recommended dietary intake
SRBAI: Self‐Report Behavioural Automaticity Index