Reliability and Concurrent Validity of a Chinese Version of the Alberta Infant Motor Scale Administered to High-Risk Infants in China

Table 5

Intrarater reliability of AIMS scores for rater C.

Group	First scoring		Second scoring		Intra-rater reliability
	Mean	SD	Mean	SD	ICC	95%CI
0–3 months (n = 23)
Prone	2.48	1.28	2.52	1.28	0.828	0.595–0.927
Supine	2.35	1.19	2.39	0.89	0.726	0.354–0.884
Sitting	0.70	0.77	0.57	0.73	0.724	0.349–0.883
Standing	0.87	0.46	1.13	0.55	0.754	0.419–0.896
Total score	6.39	3.07	6.61	2.78	0.811	0.554–0.920
4–9 months (n = 27)
Prone	6.59	2.83	6.56	2.79	0.981	0.959–0.992
Supine	5.70	1.79	5.74	1.87	0.991	0.981–0.996
Sitting	4.00	3.08	4.30	3.04	0.977	0.950–0.990
Standing	1.81	1.11	2.19	0.88	0.728	0.403–0.876
Total score	18.11	7.83	18.78	8.06	0.992	0.983–0.997
0–9 months (n = 50)
Prone	4.62	3.10	4.70	3.00	0.987	0.977–0.993
Supine	4.20	2.21	4.20	2.25	0.988	0.978–0.993
Sitting	2.46	2.84	2.58	2.94	0.983	0.970–0.990
Standing	1.40	0.97	1.70	0.91	0.819	0.681–0.897
Total score	12.68	8.45	13.18	8.69	0.994	0.989–0.996

95%CI: 95% confidence interval; AIMS: Alberta Infant Motor Scale; ICC: intraclass correlation coefficient; SD: standard deviation.