Table 3

Mutually adjusted IRRs for hospitalization for infection during 2008–2015 among individuals with diabetes only

Baseline characteristicPeople with T2DM (n = 96,630)People with T1DM (n = 5,863)
IRR*95% CIIRR95% CIIRR*95% CIIRR95% CI
Sex
 Women 1111
 Men1.091.05–1.121.121.08–1.160.950.81–1.111.000.85–1.17
Age (years)
 40–491111
 50–590.990.90–1.101.020.92–1.121.140.90–1.441.010.80–1.27
 60–691.261.14–1.391.251.13–1.381.701.38–2.091.251.00–1.56
 70–791.901.73–2.091.821.65–2.012.421.93–3.041.531.18–1.98
 80–893.142.84–3.472.852.57–3.164.253.37–5.362.381.79–3.16
Duration of diabetes (years)
 >0 to 51111
 >5 to 151.301.25–1.351.121.08–1.170.860.64–1.160.830.61–1.13
 >151.751.66–1.841.241.16–1.320.870.65–1.160.850.64–1.14
Current diabetes drugs
 Insulin 2.041.95–2.121.681.60–1.76NANA
 Sulfonylureas 1.161.12–1.201.181.14–1.23NANA
 Biguanides 0.970.94–1.000.940.91–0.97NANA
 Other1.010.94–1.080.940.87–1.01NANA
Other drugs
 Statins 0.930.89–0.970.830.80–0.871.130.96–1.330.940.79–1.12
 Oral steroids2.222.10–2.351.961.85–2.073.002.38–3.782.652.08–3.37
Deprivation quintile§
 1 (least) 1111
 21.151.08–1.211.091.03–1.161.120.90–1.401.060.86–1.31
 31.231.16–1.311.141.07–1.211.180.93–1.491.050.84–1.33
 41.371.29–1.451.231.16–1.311.641.32–2.051.461.18–1.81
 5 (most)1.641.54–1.741.401.31–1.491.681.32–2.121.391.08–1.78
Smoking status
 Never1111
 Ex1.271.22–1.321.171.12–1.211.130.95–1.361.000.84–1.19
 Current1.691.60–1.791.581.49–1.671.491.24–1.791.421.18–1.70
BMI (kg/m2)
 >10 to 201.341.18–1.531.271.12–1.451.471.07–2.011.431.04–1.97
 >20 to 251111
 >25 to 300.930.88–0.970.930.89–0.980.960.81–1.140.950.80–1.12
 >30 to 401.181.12–1.241.131.07–1.191.160.95–1.420.990.80–1.21
 >402.091.94–2.261.861.73–2.011.911.18–3.081.320.83–2.09
Chronic disease
 Chronic kidney1.491.43–1.561.261.21–1.312.351.96–2.821.941.63–2.32
 Heart failure2.182.07–2.301.561.47–1.642.461.81–3.351.521.08–2.16
 Hypertension1.000.96–1.040.960.92–0.991.431.20–1.701.271.07–1.51
 Hypothyroidism1.141.08–1.211.030.97–1.090.970.80–1.190.930.77–1.13
 IHD1.401.35–1.451.151.11–1.201.901.59–2.281.481.23–1.78
 Peripheral vascular1.741.64–1.841.301.23–1.381.951.58–2.401.311.05–1.62
 Stroke and TIA1.561.49–1.641.391.32–1.451.841.43–2.361.491.14–1.95
  • *IRRs estimated from Poisson model conditioned on match sets (age-sex-practice matched). NA, not applicable.

  • †Additionally adjusted for all other factors listed in table.

  • ‡Has prescription for drug class during 2007.

  • §IMD (see research design and methods).