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Table 1 Baseline characteristics of included participants

From: Thyroid function and risk of type 2 diabetes: a population-based prospective cohort study

Variable Mean (SD)*
Number of individuals in the study 8452
Age, in years 64.6 (9.7)
Female, n (%) 4899 (58.0)
BMI, kg/m2 26.5 (4.05)
Total cholesterol, mmol/L 5.76 (1.01)
HDL cholesterol, mmol/L 1.43 (0.41)
Smoking, n (%)  
 Current 1742 (20.6)
 Former 4020 (47.6)
 Never 2691 (31.8)
Systolic blood pressure, mmHg 139 (21)
Diastolic blood pressure, mmHg 79 (11)
Antihypertensive medication use, n (%) 1881 (22.3)
TSH, median (IQR) 1.91 (1.29–2.76)
FT4, pmol/L 15.7 (2.32)
TPOAb positivity, n (%) 1119 (13.2)
Levothyroxine use, n (%) 233 (2.8)
  1. *unless specified otherwise
  2. TPOAb levels > 35 kU/mL were regarded as positive
  3. BMI body mass index, IQR interquartile range, FT4 free thyroxine, SD standard deviation, TPOAb thyroid peroxidase antibodies, TSH thyroid-stimulating hormone, n number