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Table 1 Characteristics of the study population by sex and ethnic group

From: Ethnic variation in validity of the estimated obesity prevalence using self-reported weight and height measurements

  Dutch Turkish Moroccan  
Men (n = 183) (n = 197) (n = 184) p
Demography     
age (y ± sd) 47.3 (12.3) 48.3 (12.6) 51.4 (12.6) 0.003
≤ primary education 13.3% 56.6% 63.3% <0.001
low incomea 24.9% 72.6% 82.7% <0.001
Anthropometry     
height     
measured (cm ± sd) 179.6 (7.0) 168.6 (6.5) 171.6 (6.6) <0.001
self-reported (cm ± sd) 180.5 (7.2) 170.4 (6.6) 172.6 (6.8) <0.001
missing self-reports (n) 1.6% (3) 8.6% (17) 16.8% (31) <0.001
weight     
measured (kg ± sd) 81.0 (13.0) 78.5 (12.3) 79.0 (12.3) 0.136
self-reported (kg ± sd) 81.0 (12.3) 79.4 (12.1) 79.0 (12.1) 0.240
missing self-reports (n) 3.3% (6) 6.1% (12) 10.9% (20) 0.013
BMI     
measured (kg/m2± sd) 25.1 (4.0) 27.6 (4.3) 26.8 (3.8) <0.001
self-reported (kg/m2± sd) 24.9 (3.7) 27.3 (4.0) 26.7 (3.6) <0.001
missing self-reports (n) 4.4% (8) 11.7% (23) 22.3% (41) <0.001
Obesity     
true (measured) 12.6% 26.4% 20.7% 0.003
estimated (self-reported) 9.1% 23.0% 16.8% 0.002
Women (n = 258) (n = 217) (n = 160)  
Demography     
age (y ± sd) 48.2 (13.0) 43.0 (13.0) 43.5 (13.9) <0.001
≤ primary education 19.1% 64.5% 63.9% <0.001
income below standarda 34.8% 76.7% 76.2% <0.001
Anthropometry     
Height     
measured (cm ± sd) 166.8 (7.0) 156.9 (5.4) 159.5 (6.4) <0.001
self-reported (cm ± sd) 167.6 (6.9) 159.7 (5.9) 163.0 (6.5) <0.001
missing self-reports (n) 1.2% (3) 19.8% (43) 35.0% (56) <0.001
Weight     
measured (kg ± sd) 71.8 (14.4) 74.7 (14.6) 74.8 (16.1) 0.021
self-reported (kg ± sd) 71.5 (13.6) 75.0 (14.6) 74.3 (14.9) 0.010
missing self-reports (n) 6.6% (17) 9.7% (21) 19.4% (31) <0.001
BMI     
measured (kg/m2± sd) 25.8 (5.0) 30.4 (6.0) 29.5 (6.3) <0.001
self-reported (kg/m2± sd) 25.6 (4.8) 28.9 (5.8) 28.2 (6.1) <0.001
missing self-reports (n) 7.4% (19) 23.5% (51) 41.3% (66) <0.001
Obesity     
true (measured) 19.8% 49.8% 47.5% <0.001
estimated (self-reported) 16.3% 37.3% 35.1% <0.001
  1. anet household income below € 1,350.00 per month.