Reliability of routinely collected anthropometric measurements in primary care

Table 2 Intra and inter-observer reliability statistics by measurement type and age group

Measurement	N	Absolute Mean Difference	TEM	%TEM	R
Inter-observer reliability
Weight (kg)
0- < 2 years	270	0.03	0.06	0.64	0.9992
2–5 years	124	0.10	0.10	0.65	0.9985
> 5 to 18 years	104	0.15	0.17	0.70	0.9991
Length/Height (cm)
0- < 2 years	272	0.77	0.73	1.03	0.9906
2–5 years	124	0.58	0.69	0.70	0.9933
> 5 to 18 years	104	0.52	0.45	0.36	0.9983
Intra-observer reliability
Weight (kg)
0- < 2 years	135	0.03	0.05	0.61	0.9992
2–5 years	62	0.09	0.10	0.62	0.9987
> 5 to 18 years	52	0.16	0.17	0.70	0.9991
Length/Height (cm)
0- < 2 years	136	0.46	0.46	0.64	0.9963
2–5 years	62	0.39	0.27	0.27	0.9990
> 5 to 18 years	52	0.35	0.24	0.19	0.9995

ISSN: 1471-2288