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Table 3 Intra-observer TEM and average bias of length measurements of health volunteers by standardization sessiona, b

From: Reliability of length measurements collected by community nurses and health volunteers in rural growth monitoring and promotion services

Volunteer

Session A (N = 15)

Session B (N = 15)

 

Intra-observer TEMa

Average biasb

Intra-observer TEMa

Average biasb

A

0.79

−0.07

0.63

−0.10

B

1.00

−0.22

0.63

−0.10

C

1.04

−0.47

0.97

−0.30

D

0.34

−0.40

0.10

−0.08

E

1.29

0.54

1.89c

− 0.28

F

0.97

0.08

0.67

0.75

G

1.85

0.54

0.61

0.62

H

1.13

−0.13

1.31

0.35

I

0.66

−0.15

1.12

−0.35

J

0.79

−0.63

2.50c

0.75

K

2.30c

0.28

0.64

− 0.08

L

0.97

0.38

1.95c

0.13

M

0.64

−0.60

1.16

0.45

N

1.11

−0.85

1.49c

− 0.03

O

1.12

0.11

0.60

−0.03

  1. aTEM: Technical error of measurement (Unit of TEM is cm)
  2. bAverage bias from expert anthropometrist
  3. cUnacceptable according to error standards (2 * Intra-TEM of the expert)
  4. Average bias for each health volunteer met acceptable error standards (2.8 * Intra-TEM of the expert)