Jones, R.B., Pearson, J., Cawset, A.J., Bental, D., Barrett, A., White, J., . . . Gilmour, W.H. (2006). Effect of different forms of information produced for cancer patients on their use of the information, social support, and anxiety: Randomised trial. BMJ, 332, 942–948.
The interventions included a variety of patient education materials delivered by the following methods.
Participants were divided into eight groups (three factors, 2 x 2 x 2).
Measurements were taken at baseline, after intervention, and at three months follow-up.
Western Scotland
A longitudinal, randomized trial design was used.
At three months follow-up, 45% of patients had improved anxiety scores. There were no statistically significant differences among the three intervention factors using a general linear model.