The Early Development Instrument: an evaluation of its five domains using Rasch analysis

BMC Pediatrics

Table 3 Ordered item locations, fit residuals and probabilities for the physical health and well-being scale

Item	Item description	Location	SE	Fit residual	Chi square	Probability
6	established hand preference	−1.63	0.16	−1.10	7.74	0.356
5	independent in washroom	−1.57	0.15	−0.08	9.04	0.250
4	hungry	−1.15	0.14	1.61	13.87	0.054
1	over or underdressed	−1.04	0.13	1.09	13.84	0.054
7	well co-ordinated	0.00	0.10	−1.84	*46.23*	*0.000*
2	too tired or sick	0.04	0.10	0.61	*21.73*	*0.003*
13	sucks finger	0.23	0.07	4.09	*141.62*	*0.000*
10	climb stairs	0.37	0.07	−7.26	*74.23*	*0.000*
12	overall physical development	0.57	0.07	−8.90	*89.37*	*0.000*
9	manipulate objects	0.67	0.07	−8.60	*77.55*	*0.000*
3	late	1.13	0.08	11.16	*292.69*	*0.000*
8	proficiency with pen	1.15	0.06	−4.66	15.69	0.028
11	level of energy	1.23	0.06	−2.83	10.22	0.176

ISSN: 1471-2431