Table 1

Subject characteristics at baseline

CharacteristicVitamin D (n = 33)Placebo (n = 29)
Age (years)55.5 ± 9.255.9 ± 9.2
Women15 (45.4)10 (34.5)
Ethnicitya
 Nordic white23 (69.7)20 (69.0)
 South Asian10 (30.3)9 (31.0)
Weight (kg)92.8 ± 16.692.8 ± 18.5
BMI (kg/m2)32.5 ± 5.131.1 ± 4.7
Serum 25(OH)D (nmol/L)38.0 ± 11.936.8 ± 12.6
Diabetes duration (years)11.9 ± 6.67.9 ± 5.7
HbA1c (% [mmol/mol])7.9 ± 1.4 [62]7.6 ± 1.3 [60]
Diabetes treatment
 Diet2 (6.1)8 (27.5)
 OAHb13 (39.4)12 (41.4)
 Insulin ± OAH18 (54.5)9 (31.0)
  • Data are mean ± SD or n (%). OAH, oral antihyperglycemic agent.

  • aEthnic groups are those identified by subjects themselves.

  • bIncludes metformin, sulfonylureas, pioglitazone, exenatide, and dipeptidyl peptidase 4 inhibitors.