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

Table 3

Interrater reliability of AIMS scores between any two raters.

Group	Raters A and B		Raters A and C		Raters B and C
	ICC	95%CI	ICC	95%CI	ICC	95%CI
0–3 months (n = 23)
Prone	0.982	0.957–0.992	0.976	0.944–0.990	0.959	0.904–0.983
Supine	0.979	0.951–0.991	0.965	0.918–0.985	0.944	0.868–0.976
Sitting	0.907	0.781–0.961	0.923	0.819–0.967	0.940	0.858–0.975
Standing	1.000	1.000–1.000	0.880	0.717–0.949	0.880	0.717–0.949
Total score	0.977	0.947–0.990	0.975	0.940–0.989	0.967	0.921–0.986
4–9 months (n = 27)
Prone	0.992	0.983–0.996	0.984	0.964–0.992	0.990	0.977–0.995
Supine	0.993	0.984–0.997	0.982	0.960–0.992	0.983	0.963–0.992
Sitting	0.990	0.979–0.996	0.987	0.972–0.994	0.979	0.955–0.991
Standing	1.000	1.000–1.000	0.814	0.592–0.915	0.814	0.592–0.915
Total score	0.999	0.997–0.999	0.991	0.981–0.996	0.992	0.982–0.996
0–9 months (n = 50)
Prone	0.995	0.991–0.997	0.990	0.983–0.994	0.992	0.985–0.995
Supine	0.995	0.991–0.997	0.990	0.982–0.994	0.988	0.978–0.993
Sitting	0.992	0.986–0.995	0.989	0.981–0.994	0.985	0.974–0.992
Standing	1.000	1.000–1.000	0.867	0.766–0.925	0.867	0.766–0.925
Total score	0.999	0.997–0.999	0.994	0.989–0.997	0.994	0.990–0.997

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