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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