Table 1

Overview of the characteristics of the study population

Age (years), mean ±SD66.8±11.0
Sex: male, n (%)1070 (53.9)
Diabetes duration (years), median (IQR)12 (10)
Microvascular complications present, n (%)865 (43.6)
Macrovascular complications present, n (%)828 (41.7)
Smoking: current smoker, n (%)261 (13.2)
Treated in primary care, n (%)1202 (60.6)
Country, n (%)
  Belgium199 (10.0)
  France176 (8.9)
  Germany364 (18.3)
  Ireland189 (9.5)
  Italy384 (19.4)
  The Netherlands166 (8.4)
  Sweden206 (10.4)
  UK300 (15.1)
Diabetes education received, n (%)1498 (75.5)
Currently treated depression, n (%)*179 (11.3)
Health status (EQ-5D-VAS), mean±SD66±20
DTSQ total score, mean±SD28.50±7.52
DTSQ2: perceived hyperglycaemia, mean±SD2.64±1.85
DTSQ3: perceived hypoglycaemia, mean±SD1.55±1.91
Body mass index (kg/m2), mean±SD31±6
Systolic blood pressure (mm Hg), mean±SD137±17
HbA1c (%), mean±SD7.9±1.4
HbA1c (mmol/mol), mean±SD62.6±14.9
Fasting plasma glucose (mmol/L), mean±SD8.5±3.7
Cholesterol (mmol/L), mean±SD4.6±1.2
LDL cholesterol (mmol/L), mean±SD2.5±0.9
Injection frequency, median (IQR)2 (3)
Insulin regimen, n (%)
  Basal603 (30.4)
  Mix two times per day345 (17.4)
  Basal–prandial709 (35.7)
  Other327 (16.5)
  • n=1984 for all factors except for ‘currently treated depression’.

  • *n=1768.

  • DTSQ, Diabetes Treatment Satisfaction Questionnaire; EQ-5D-VAS, EuroQol Five-Dimensions Questionnaire Visual Analogue Scale; HbA1c, glycated haemoglobin; LDL, low-density lipoprotein.