Table 1 Distribution of exposure variables in the study population (n = 2931)

n (%)

n missing (%)

Thyroid function

38 (1.3)

  Hypothyroid

171 (5.8)

  Hyperthyroid

88 (3.0)

  Euthyroid

2634 (90)

Smoking

114 (3.9)

  Current

474 (16)

  Former

1067 (36)

  Never

1276 (44)

Sex^a

–

  Male

1295 (44)

  Female

1636 (56)

Treated for hypertension

849 (29)

26 (0.9)

Diabetes

229 (7.8)

16 (0.5)

Glucocorticoid use^a

104 (3.5)

–

mean (SD)

n missing (%)

Age^a

73.1 (11)

–

BMI (kg/m²)

26.8 (4.4)

80 (2.7)

CRP (mg/L)

5.1 (10)

180 (6.1)

Mean eGFR (mL/min/1.73 m²)

66 (19)

116 (4.0)