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Table 2 Intra-observer TEM, %TEM and reliability coefficient by study occasion and anthropometric measure

From: Reliability of anthropometric measures in a longitudinal cohort of patients initiating ART in West Africa

  CV TEM %TEM R
Observer 1     
Height     
   Study A 0.04 0.62 0.37 0.99
   Study B 0.05 0.53 0.32 0.99
Weight     
   Study A 0.23 0.84 1.18 0.99
   Study B 0.19 0.66 0.99 0.99
MUAC     
   Study A 0.18 0.35 1.21 0.99
   Study B 0.11 1.66 5.78 0.73
TS     
   Study A 0.64 4.06 16.0 0.94
   Study B 0.40 1.09 10.2 0.94
WC     
   Study A 0.14 1.22 1.46 0.99
   Study B 0.08 1.64 1.95 0.94
Observer 2     
Height     
   Study A 0.05 0.90 0.53 0.99
   Study B 0.05 0.52 0.32 0.99
Weight     
   Study A 0.23 0.51 0.71 0.99
   Study B 0.20 0.58 0.87 0.99
MUAC     
   Study A 0.17 0.51 1.77 0.99
   Study B 0.11 0.36 1.27 0.99
TS     
   Study A 0.59 2.65 10.6 0.97
   Study B 0.60 4.67 17.2 0.92
WC     
   Study A 0.14 2.01 2.41 0.97
   Study B 0.09 3.33 4.08 0.79
Observer 3     
Height     
   Study A 0.05 2.07 1.22 0.94
   Study B 0.05 1.00 0.60 0.97
Weight     
   Study A 0.23 0.65 0.93 0.99
   Study B 0.20 2.26 3.36 0.97
MUAC     
   Study A 0.17 0.49 1.71 0.99
   Study B 0.11 0.69 2.45 0.95
TS     
   Study A 0.63 4.92 22.2 0.88
   Study B 0.26 2.75 8.22 0.90
WC     
   Study A 0.15 1.45 1.71 0.99
   Study B 0.06 2.04 2.49 0.80
  1. TEM: Technical error of measurement
  2. CV: Coefficient of variability
  3. MUAC: Mid-upper arm circumference
  4. TS: Triceps skinfold
  5. WC: Waist circumference