Table 1

Baseline characteristics for participants of the Mortality Follow-up of the GNHIES98 according to categories of glycemic status (n = 6,299)

Prediabetes
Normoglycemia HbA1c <5.7% (<39 mmol/mol) n = 4,000High diabetes risk HbA1c 5.7–5.9% (39–41 mmol/mol) n = 1,056Very high diabetes risk HbA1c 6.0–6.4% (42–46 mmol/mol) n = 692Undiagnosed diabetes HbA1c ≥6.5% (≥48 mmol/mol) n = 238Known diabetes n = 313
HbA1c (%)5.2 (0.3)5.8 (0.1)6.1 (0.1)7.1 (1.1)7.7 (1.7)
HbA1c (mmol/mol)33 (3.3)40 (1.1)43 (1.1)54 (12.0)61 (18.6)
Age (years)40.6 (14.4)49.6 (14.5)55.6 (13.1)60.1 (11.3)61.4 (11.4)
Male sex (%)46.454.452.558.050.5
Educational level (%)
 Low37.246.659.168.969.7
 Medium48.037.929.822.321.7
 High14.815.511.18.88.6
BMI (kg/m2)25.7 (4.2)27.4 (4.4)28.7 (4.8)30.5 (5.7)29.6 (5.1)
Waist circumference (cm)
 Women81.2 (11.4)88.4 (12.9)93.9 (12.7)96.9 (12.8)96.5 (12.3)
 Men94.3 (10.6)97.8 (11.7)99.7 (10.7)105.8 (13.6)103.8 (11.7)
History of known diseases (%)
 Hypertension16.125.735.850.062.3
 Hyperlipidemia15.825.437.441.642.5
 Myocardial infarction1.11.53.38.89.0
 Stroke0.41.32.33.46.7
 Cancer2.73.94.53.46.4
Sport activity (≥2 h/week) (%)21.816.814.08.08.0
Moderate alcohol consumption (%)63.961.664.059.257.8
Smoking (%)
 Never46.241.743.942.452.4
 Former20.424.420.427.727.2
 Current33.433.935.729.820.5
  • Information is given as arithmetic mean (SD) or percentage. Differences in proportions and means between groups of glycemic status were assessed by χ2 test and ANOVA (Scheffé test).