Development and psychometric properties of a belief-based Physical Activity Questionnaire for Diabetic Patients (PAQ-DP)

Table 5 Descriptive statistics, Cronbach's alpha and intraclass correlation coefficient of the PAQ-DP subscales

	No of items	Mean (SD)*	Skewness	Cronbach' alpha	ICC**
Instrumental attitude	4	88.80 (11.80)	-1.70	0.82	0.79
Affective attitude	3	79.60 (13.70)	-0.80	0.54	0.56
Subjective norm	4	75.40 (16.50)	-0.70	0.76	0.92
Perceived behavioral control	2	58.10 (25.70)	-0.40	0.71	0.78
Self-identity	4	49.50 (20.20)	0.00	0.71	0.73
Intention	2	72 (16.50)	-0.40	0.60	0.40

*Scores range from 0 to 100. Higher scores indicate better perceptions about physical activity.
**Intraclass Correlation Coefficient

ISSN: 1471-2288