Table 1

Summary of people with diabetes and matched control subjects on 1 January 2008

Baseline characteristicPeople with T2DM (n = 96,630)Control subjects with T2DM (n = 191,822)People with T1DM (n = 5,863)Control subjects with T1DM (n = 11,696)
n%n%n%n%
Sex
 Women43,23044.786,02244.82,43141.54,85641.5
 Men53,40055.3105,80055.23,43258.56,84058.5
Age (years)
 40–497,5717.815,1407.92,14836.64,29536.7
 50–5916,69617.333,37917.41,55026.43,10026.5
 60–6926,94927.953,77928.01,11919.12,23419.1
 70–7929,22330.257,99430.173512.51,45712.5
 80–8916,19116.831,73016.53115.36105.2
Time since diagnosis (years)
 >0 to 544,98946.6NA4668.0NA
 >5 to 1541,50743.0NA1,49525.5NA
 >1510,13410.5NA3,90266.6NA
Current diabetes drugs*
 Insulin13,96714.5NA5,863100.0NA
 Sulfonylureas31,84633.0NA00.0NA
 Biguanides58,21660.3NA00.0NA
 Other6,3156.5NA00.0NA
 None24,89825.8NA00.0NA
Other drugs*
 Statins74,73577.348,72125.43,87666.11,60713.7
 Oral steroids6,2056.410,5405.52774.74603.9
Deprivation quintile
 1 (least) 18,13818.841,92621.91,36123.22,92225.0
 222,07122.846,63924.31,44424.62,96925.4
 320,02520.739,91520.81,19420.42,41720.7
 420,86021.637,46119.51,15519.72,06117.6
 5 (most)15,45816.025,73513.470612.01,31911.3
 Not assigned780.11460.130.180.1
Smoking status
 Never35,90637.285,81444.72,51642.95,53347.3
 Ex47,69949.471,06437.12,18437.33,33328.5
 Current12,98413.430,87016.11,16119.82,51121.5
 Unknown410.14,0742.103192.7
BMI (kg/m2)
 >10 to 201,5351.68,9644.72344.05054.3
 >20 to 2514,56415.159,76531.21,94433.23,63831.1
 >25 to 3034,21335.470,32936.72,31839.53,99734.2
 >30 to 4038,19339.533,81117.61,22520.92,03317.4
 >407,5537.82,5541.31061.82131.8
 Unknown5720.616,3998.6360.61,31011.2
Chronic disease
 Chronic kidney 19,16119.816,6068.783914.34413.8
 Heart failure 5,0355.24,2222.21612.8980.8
 Hypertension62,21664.467,15635.02,42341.32,34620.1
 Hypothyroidism8,9819.311,9476.288215.05334.6
 IHD21,33622.122,19211.673112.56555.6
 Peripheral vascular5,6655.94,3942.33746.41241.1
 Stroke and TIA8,4578.89,9175.23085.33032.6
  • Note that patients can appear in multiple drug and disease categories, so percentages may sum to >100%. NA, not applicable.

  • *Has prescription for drug class during 2007.

  • †IMD (see research design and methods).