The Back-care Behavior Assessment Questionnaire (BABAQ) for schoolchildren: development and psychometric evaluation

Table 4 Descriptive statistics, Cronbach’s alpha coefficient, ICC, SEM, and MDC for the BABAQ

Subscale [number of items]	Possible score range	Mean (SD)	Cronbach’s alpha	ICC	SEM	MDC
Skills [23]	0–46	13.09 (14.56)	0.97	0.78	4.96	13.74
Knowledge [10]	0–10	4.56 (1.44)	0.96	0.76	0.72	1.99
Self-Efficacy [4]	4–16	11.74 (3.05)	0.93	0.83	1.42	3.94
Expectation beliefs [6]	6–30	20.43 (4.84)	0.94	0.80	2.49	6.90
Behavior [6]	6–30	21.89 (5.22)	0.95	0.83	2.33	6.46
Total [49]	16–132	72.28 (16.96)	0.93	0.84	7.08	19.62

ICC Intraclass correlation coefficient, SEM Standard error of measurement, MDC Minimal detectable change

ISSN: 1471-2458