Development and validation of the Health Education Adherence Scale for Stroke Patients: a cross-sectional study

BMC Neurology

Table 4 Internal reliability of the 20-item HEAS-SP (N = 331)

Items	Corrected item-total correlation	Item-subscale Correlation	Cronbach’s α	M ± SD	Range
C1	0.621	0.792	0.916	18.89 ± 6.21	6–30
C2	0.592	0.770
C3	0.638	0.801
C4	0.559	0.780
C5	0.575	0.774
C6	0.565	0.665
B1	0.504	0.824	0.901	23.34 ± 5.79	5–25
B2	0.550	0.907
B3	0.570	0.912
B4	0.550	0.873
B5	0.466	0.611
A3	0.405	0.604	0.867	17.01 ± 3.94	5–25
A4	0.496	0.747
A5	0.529	0.756
A6	0.524	0.768
A7	0.489	0.584
D6	0.429	0.485	0.709	12.45 ± 3.47	4–20
D7	0.408	0.462
D9	0.455	0.506
D11	0.475	0.538
Total scale			0.896	69.45 ± 13.21	20–100

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