Journal article
The impact of a psychosocial support program on survival with breast cancer: The importance of selection bias in program evaluation
Abstract
A retrospective follow-up study was conducted to assess the impact of a psychosocial support program on survival with breast cancer. One-hundred and two nonparticipants were individually matched to 34 participants on several prognostic factors, and both groups were followed from date of cancer diagnosis (1971-1980) until December, 1981. Preliminary findings suggest a strong beneficial effect of the program on survival, which is statistically …
Authors
Morgenstern H; Gellert GA; Walter SD; Ostfeld AM; Siegel BS
Journal
Journal of Clinical Epidemiology, Vol. 37, No. 4, pp. 273–282
Publisher
Elsevier
Publication Date
January 1984
DOI
10.1016/0021-9681(84)90135-8
ISSN
0895-4356