Psychometric Assessment of a Physician-Patient Communication Behaviors Scale: The Perspective of Adult HIV Patients in Kenya

Table 4

Internal consistency and one-week retest reliability of the PPCB scale.

Scales	No. of items	Cronbach’s alpha	Item-total correlation range	1-week retest reliability
Total scale	17	.81	.65–.48	.82**
Subscale 1	9	.74	.65–.48	.80**
Subscale 2	4	.78	.65–.53	.88**

 **Correlation is significant at .01.