Petzel 1991.

Methods	The study use several objective adherence indices to evaluate adherence to medical/behavioral interventions across a broad‐age range of nonhospitalized CF patients, identify psychosocial attributes of patients and families associated opportunities for adherence‐promoting interventions.
Participants	Parents of 45 children with CF
Interventions	Health education intervention. 3 interventions: ‐ problem‐solving lesson in computerized form; ‐ problem‐solving lesson in written form.
Outcomes	Sociodemographic data, psychological test results, measures of the child health status (% predicted wt., x‐ray scores), compliance.
Notes