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Table 4 Mean (SD) measured and self-reported anthropometrics, the mean differences (SD) and p-values by sex, age, BMI status, SES, smoking status, medication use and frequency of weighing oneself

From: Accuracy of self-reported body weight, height and waist circumference in a Dutch overweight working population

Anthropometrics Measured Self-reported Difference p-value Measured Self-reported Difference p-value
  Males (N = 864) Females (N = 434)
Body weight (kg) 96.8 (12.7) 95.4 (12.6) 1.5 (2.0) <0.001 84.5 (12.7) 83.3 (12.4) 1.2 (1.8) <0.001
Body height (cm) 181.5 (6.7) 182.2 (6.7) -0.7 (1.6) <0.001 168.2 (6.3) 168.9 (6.3) -0.7 (1.5) <0.001
BMI (kg/m2) 29.4 (3.1) 28.7 (3.0) 0.7 (0.8) <0.001 29.9 (4.0) 29.2 (3.9) 0.7 (0.8) <0.001
Waist (cm)* 104.5 (8.5) 105.9 (8.5) -1.4 (3.3) <0.001 95.3 (9.5) 95.5 (8.9) -0.3 (5.2) 0.66
  Low age (N = 649) High age (N = 649)
Body weight (kg) 92.9 (14.5) 91.5 (14.2) 1.3 (2.0) <0.001 92.6 (13.4) 91.1 (13.3) 1.5 (1.8) <0.001
Body height (cm) 176.7 (9.5) 177.4 (9.6) -0.7 (1.4) <0.001 177.3 (8.6) 178.0 (8.8) -0.7 (1.6) <0.001
BMI (kg/m2) 29.7 (3.6) 29.0 (3.5) 0.7 (0.9) <0.001 29.4 (3.2) 28.7 (3.1) 0.7 (0.8) <0.001
Waist (cm)* 100.7 (10.3) 102.4 (10.2) -1.7 (3.9) <0.001 102.9 (9.1) 103.3 (9.4) -0.4 (4.0) 0.21
  Overweight (N = 861) Obese (N = 437)
Body weight (kg) 87.1 (9.6) 85.9 (9.6) 1.3 (1.7) <0.001 103.8 (14.6) 102.1 (14.4) 1.7 (2.3) <0.001
Body height (cm) 177.3 (8.8) 177.9 (9.0) -0.6 (1.5) <0.001 176.5 (9.6) 177.4 (9.7) -0.9 (1.6) <0.001
BMI (kg/m2) 27.6 (1.3) 27.1 (1.4) 0.6 (0.7) <0.001 33.2 (3.3) 32.4 (3.3) 0.9 (1.0) <0.001
Waist (cm)* 97.8 (7.2) 98.9 (7.2) -1.1 (3.9) <0.001 109.3 (9.5) 110.2 (9.9) -0.9 (4.2) <0.05
  Low SES (N = 513) High SES (N = 784)
Body weight (kg) 94.0 (14.7) 92.3 (14.4) 1.7 (2.0) <0.001 91.9 (13.4) 90.7 (13.3) 1.2 (1.8) <0.001
Body height (cm) 176.6 (9.2) 177.4 (9.4) -0.8 (1.6) <0.001 177.3 (9.0) 178.0 (9.1) -0.7 (1.5) <0.001
BMI (kg/m2) 30.1 (3.7) 29.3 (3.6) 0.8 (0.9) <0.001 29.2 (3.2) 28.6 (3.2) 0.6 (0.8) <0.001
Waist (cm)* 102.1 (9.6) 102.6 (9.8) -0.5 (4.3) 0.28 101.6 (9.9) 103.0 (9.9) -1.5 (3.8) <0.001
  Smoking (N = 193) Non-smoking (N = 1103)
Body weight (kg) 93.8 (14.4) 92.5 (14.2) 1.2 (2.2) <0.001 92.6 (13.9) 91.1 (1.9) 1.4 (1.9) <0.001
Body height (cm) 176.4 (9.3) 177.2 (9.4) -0.8 (1.4) <0.001 177.1 (9.0) 177.8 (9.2) -0.7 (1.6) <0.001
BMI (kg/m2) 30.1 (3.5) 29.4 (3.5) 0.7 (0.9) <0.001 29.4 (3.4) 28.8 (3.3) 0.7 (0.8) <0.001
Waist (cm)* 101.1 (9.9) 102.4 (9.9) -1.3 (5.0) 0.13 101.9 (9.8) 102.9 (9.9) -1.0 (3.8) <0.001
  Medication use (N = 218) No medication use (N = 1031)
Body weight (kg) 95.6 (15.6) 94.0 (15.4) 1.6 (2.1) <0.001 91.9 (13.4) 90.6 (13.2) 1.4 (1.9) <0.001
Body height (cm) 176.8 (8.6) 177.6 (8.7) -0.9 (1.4) <0.001 177.0 (9.2) 177.7 (9.3) -0.7 (1.6) <0.001
BMI (kg/m2) 30.5 (3.8) 29.7 (3.7) 0.8 (0.9) <0.001 29.3 (3.3) 28.6 (3.2) 0.6 (0.8) <0.001
Waist (cm)* 105.2 (11.3) 106.6 (10.5) -1.4 (3.4) 0.02 101.3 (9.5) 102.3 (9.7) -1.0 (4.1) <0.001
  Low frequency of weighing oneself (N = 671) High frequency of weighing oneself (N = 627)
Body weight (kg) 94.4 (14.1) 92.9 (13.9) 1.4 (2.2) <0.001 91.0 (13.6) 89.6 (13.5) 1.4 (1.6) <0.001
Body height (cm) 178.1 (9.0) 178.8 (9.2) -0.7 (1.6) <0.001 175.9 (9.0) 176.6 (9.1) -0.7 (1.5) <0.001
BMI (kg/m2) 29.7 (3.4) 29.0 (3.2) 0.7 (0.9) <0.001 29.4 (3.5) 28.7 (3.4) 0.7 (0.7) <0.001
Waist (cm)* 104.1 (9.4) 105.1 (9.2) -1.1 (3.6) <0.001 99.4 (9.6) 100.5 (10.0) -1.1 (4.4) <0.01
  1. * Results on WC are based on a sub-sample of 250 subjects (176 males and 74 females; low age group [N = 125], high age group [N = 125]; low BMI group [N = 163], high BMI group [N = 87]; low SES group [N = 99], high SES group [N = 151]; smoking [N = 36], non-smoking [N = 212]; medication use [N = 33], no medication use [N = 209]; low frequency of weighing [N = 125], high frequency of weighing [N = 123]).