Table 3.

Cronbach’s α coefficient and ICC for the social support scale and its subscales (n =204)

	Number of items	Mean (SD)	Cronbach’s α coefficient	ICC (n= 15)
Nutrition	9	2.86 (1.54)	0.89	0.87
Physical activity	5	2.45 (1.44)	0.88	0.83
SMBG	7	2.64 (1.60)	0.92	0.89
Foot care	6	2.17 (1.47)	0.94	0.93
Smoking	3	0.75 (1.36)	0.97	0.91
Total	30	2.39 (1.50)	0.94	0.87