Table 1

Descriptive characteristics of GNHIES98 participants

No T2D (n=5975)T2D (n=575) 
Undiagnosed T2D (n=245)Diagnosed T2D (n=330)
Mean age at baseline (years)*44.02 (43.36 to 44.69)60.90 (59.64 to 62.15)59.50 (57.78 to 61.22)61.89 (60.33 to 63.45)
Female proportion (%)*50.75 (49.43 to 52.06)49.40 (44.57 to 54.25)44.72 (37.60 to 52.06)52.72 (46.84 to 58.53)
Sum of follow-up time (years)70 031.595962.232526.913435.33
Median follow-up time (years)12.02 (IQR 11.07–12.87)11.36 (IQR 10.07–12.60)11.39 (IQR 10.00–12.59)11.35 (IQR 10.14–12.60)
Number of deceased persons (proportion)425 (7.1%)176 (30.6%)73 (29.8%)103 (31.2%)
  • Descriptive characteristics by T2D status with 95% CI or IQR.

  • *Weighted to German population of December 31, 1997.

  • GNHIES98, German National Health Interview and Examination Survey 1998; IQR, interquartile range; n, number of persons; T2D, type 2 diabetes.