Table 1.

Inter item reliabilities for nine domains at baseline for the Quality of Life Factors questionnaire (QF) utilized in the current study and Quality of Life Factors questionnaire used in the Polyp Prevention Trial (PPT-QF; Corle et al, 2001).

Domains	QF Cronbach's α	PPT-QF Cronbach's α
Taste	0.7	0.7
Convenience	0.7	0.7
Cost	0.9	0.8
Self-Care	0.8	0.9
Social	0.8	0.7
Health Assessment	0.3	0.8
Health Belief	0.9	0.9
Health Action	0.5	0.5
Life Satisfaction	0.6	0.7
Total scale	0.9	NA