Table 2.

Intra-observer and inter-observer technical error of measurement and coefficient of reliability (R) by the observer group.

	Intra-observer TEM			Inter-observer TEM			R
	Gold standard (n = 4)	HCP (n = 7)	Caregiver (n = 8)	Gold standard (n = 4)	HCP (n = 7)	Caregiver (n = 8)	Gold standard (n = 4)	HCP (n = 7)	Caregiver (n = 8)
Head circumference (cm)	0.02	0.05	0.04	0.26	0.50	0.52	0.99	0.97	0.97
Length (cm)	0.06	0.10	0.10	0.76	1.26	0.94	0.98	0.96	0.98
Weight (kg)	0.001	0.007	0.02	0.006	0.025	0.011	1.00	0.99	0.99

TEM, technical error of measurement; R, coefficient of reliability.