Table 1

Baseline characteristics of participants by gender and prevalent pre-diabetes

CharacteristicsWomenMen
ADA
(n=1780)
WHO
(n=692)
Normoglycemia
(n=3323)*
ADA
(n=1712)
WHO
(n=690)
Normoglycemia
(n=2029)*
Age (years)67.2±9.7†67.7±9.7†63.9±10.065.1±9.065.4±8.963.6±9.6
Waist circumference (cm)92.8±12.2†94.8±12.7†87.1±11.0†99.8±10.2101.5±10.095.7±9.5
Body mass index (kg/m2)28.4±4.8†29.0±5.0†26.4±4.1†27.4±3.428.1±3.626.2±3.3
Total cholesterol (mmol/L)6.0±1.0†5.9±1.0†5.9±1.0†5.6±1.05.6±1.05.5±1.0
Triglycerides (mmol/L)‡1.4 (1.0–1.8)1.5 (1.0–2.0)1.2 (0.8–1.5)†1.4 (1.0–1.9)1.5 (1.0–2.0)1.3 (0.9–1.7)
Insulin (pmol/L)‡85 (55–115)†95 (59–131)62 (42–83)79 (51–108)91 (59–123)64 (42–87)
Glucose (mmol/L)‡5.9 (5.7–6.2)6.3 (6.1–6.5)5.1 (4.9–5.3)†5.9 (5.7–6.2)6.3 (6.1–6.5)5.2 (5.0–5.4)
Systolic blood pressure (mm Hg)142±21145±21135±21†143±20146±21137±20
Diastolic blood pressure (mm Hg)78±11†79±12†78±11†81±1282±1279±11
Hypertension, n (%)1042 (58.5)436 (63.0)1420 (43.2)981 (57.3)437 (63.3)878 (43.9)
Use of blood pressure-lowering drugs, n (%)536 (30.1)†239 (34.5)579 (17.4)414 (24.2)198 (28.7)316 (15.6)
Current smoking, n (%)117 (6.6)†45 (6.5)†207 (6.3)†244 (14.3)99 (14.3)283 (14.1)
Former smoking (n, %)529 (29.7)†214 (30.9)†894 (27.2)†885 (51.7)339 (49.1)1023 (50.8)
  • Values are mean±SD or median (IQR) for characteristics with skewed distributions.

  • *Fasting glucose <5.6 mmol/L.

  • †Statistically significant gender difference, corrected for age.

  • ‡Only fasting samples.

  • ADA, American Diabetes Association.