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Table 2 Participant Characteristics and Intra-Class Correlations (ICC) between Participant Self-Measurements and Technician Measurements (N = 41)

From: Reliability and criterion validity of self-measured waist, hip, and neck circumferences

Measurement Participants Home Self-Measured Participants Lab Self-Measured Technician Measured Participant Home vs Lab Participant Home vs Technician Participant Lab vs Technician
  Mean ± SDa (range) TEM/R b Mean ± SDa (range) TEM/R b Mean ± SDa (range) TEM/R b ICC P valuec ICC P valuec ICC P valuec
Waist Circumference (inches) 35.24 ± 5.73 (26.50–61.00) 0.76/0.90 34.29 ± 4.85 (26.0–51.5) 0.29/0.98 34.72 ± 5.69 (26.00–57.63) 0.22/0.99 .96 .00 .97 .10 .96 .63
Hip Circumference (inches) 40.95 ± 4.79 (33.75–57.00) 0.38/0.97 40.67 ± 4.66 (33.25–52.75) 0.25/0.99 41.15 ± 5.80 (33.25–64.25) 0.20/0.99 .97 .20 .96 .46 .97 .09
Neck Circumference (inches) 13.66 ± 1.19 (11.75–17.00) 0.24/0.95 13.28 ± 0.93 (11.75–15.75) 0.15/0.98 12.87 ± 0.88 (11.50–15.00) 0.08/0.99 .87 .00 .84 .00 .95 .00
Height (inches) 64.32 ± 2.17 (60.00–70.00) 64.16 ± 2.27 (60.19–70.72) --- .95 .41 ---
Weight (pounds) 153.56 ± 39.91 (99.00–315.00) 153.32 ± 42.14 (93.81–326.40) --- .99 .32 ---
BMI 26.08 ± 6.55 (18.11–52.42) 26.20 ± 7.12 (17.16–54.52) --- .99 .92 ---
Waist-to-Hip Ratio 0.86 ± 0.07 (0.73–1.07) 0.84 ± 0.07 (0.68–0.99) 0.84 ± 0.06 (0.74–0.96) .93 .02 .83 .12 .88 .79
  1. a SD standard deviation
  2. b TEM (Technical Error Measurement) calculated between duplicate measurements to establish intra-observer measurement accuracy and R (reliability) of intra-observer duplicate measurements
  3. cWilcoxon signed-rank test