Table 1

Characteristics of participants in the general population study stratified by gender, diabetes group and filaggrin mutation status

All (n=3335)Women (n=1844)Men (n=1491)Non-diabetes group (n=3136)Screen-detected diabetes group (n=66)Self-reported diabetes group (n=133)Filaggrin wild type (n=3066)Filaggrin null mutation (n=269)
Mean (±2SD)
 Mean age (years)47.5 (26.0)46.8 (26.2)48.4 (25.8)47.0 (26.0)56.1 (21.6)55.3 (20.4)47.5 (26.1)47.2 (25.8)
 Weight (kg)76.7 (32.6)69.9 (28.8)85.1 (29.0)76.17 (32.0)83.3 (34.0)86.0 (39.5)76.7 (32.6)76.8 (34.4)
 Height (m)1.71 (0.19)1.65 (0.12)1.79 (0.13)1.71 (18.4)1.70 (17.2)1.71 (19.1)1.71 (18.4)1.71 (18.6)
 Waist (m)0.88 (0.58)0.83 (0.25)0.95 (0.24)87.9 (26.6)97.4 (28.0)100.4 (31.2)88.5 (27.2)89.4 (29.6)
 BMI (kg/m2)25.9 (9.3)25.4 (10.0)26.6 (8.2)25.7 (9.06)28.7 (11.2)29.3 (11.6)25.90 (9.20)26.14 (10.4)
 Systolic blood pressure (mm Hg)130 (35)127 (36)134 (34)129 (35)141 (39)137 (38)130 (35)130 (35)
 Diastolic blood pressure (mm Hg)81 (21)79 (20)84 (21)82 (21)86 (23)82 (18)81 (21)82 (21)
 Fasting blood glucose (mmol/l)5.23 (1.86)5.13 (1.64)5.36 (2.08)5.10 (1.20)7.37 (1.96)7.24 (5.08)5.22 (1.86)5.25 (1.68)
 Glycated haemoglobin (%)5.41 (1.12)5.38 (0.55)5.45 (1.16)5.35 (0.92)6.17 (1.60)6.49 (2.14)5.41 (1.14)5.44 (0.90)
 Fasting blood cholesterol (mmol/l)5.08 (2.04)5.16 (2.06)4.99 (1.00)5.10 (2.00)5.38 (2.50)4.46 (1.86)5.08 (2.04)5.06 (1.96)
 Fasting blood high-density lipoprotein cholesterol (mmol/l)1.53 (0.86)1.68 (0.85)1.36 (0.72)1.54 (0.86)1.37 (0.73)1.37 (0.81)1.53 (0.85)1.54 (0.86)
 Fasting blood low-density lipoprotein cholesterol (mmol/l)3.19 (1.94)3.15 (1.90)3.24 (1.99)3.21 (1.92)3.33 (2.57)2.64 (1.74)3.19 (1.94)3.17 (1.98)
 Fasting blood triglyceride (mmol/l)1.29 (1.98)1.16 (1.24)1.46 (2.58)1.27 (1.96)1.76 (2.4)1.51 (1.42)1.30 (2.02)1.24 (1.36)
 Fasting blood insulin (pmol/l)44.69 (75.61)41.85 (63.22)48.20 (88.24)42.50 (65.04)78.09 (99.66)79.84 (177.50)44.55 (76.34)46.21 (67.38)
 Homeostasis model assessment of insulin resistance*10.84 (25.2)9.91 (19.1)12.00 (31.2)9.8 (16.2)26.3 (26.4)27.9 (86.2)10.81 (25.80)11.16 (19.00)
Percentage (n/ntotal)
 Filaggrin null mutation8.1 (269/3335)8.5 (157/1844)7.5 (112/1491)7.8 (246/3136)9.1 (6/66)12.8 (17/133)
 Atopic dermatitis10.0 (334/3335)13.1 (242/1844)6.2 (92/1491)9.9 (310/3136)9.1 (6/66)13.5 (18/133)9.1 (277/3066)21.2 (57/269)
 Self-reported diabetes4.0 (123/3307)3.3 (61/1830)4.9 (72/1477)3.8 (116/3042)6.4 (17/265)
  • The study was a cross-sectional study performed in the general population in Copenhagen during 2006–2008.

  • * (Fasting plasma glucose (mmol/l)·fasting serum insulin (mU/l))/22.5.

  • Atopic dermatitis was defined by the UK Working Party’s diagnostic criteria for atopic dermatitis as a history of an itchy skin condition plus a minimum of two of four minor criteria.18

  • An affirmative answer to the question: ‘Have you ever been told that you suffered from diabetes?’

  • –, not done.