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Table 2 Odds Ratios for hospital admission according to individual characteristics

From: Effects of continuity of care on hospital admission in patients with type 2 diabetes: analysis of nationwide insurance data

  Unadjusted Adjusted
Characteristics Odds ratio 95% CI Odds ratio 95% CI
Age(years)     
20–29 1.23 0.88–1.71 1.07 0.72–1.59
30–39 0.75 0.64–0.88 0.84 0.71–1.00
40–49 0.65 0.60–0.72 0.74 0.67–0.83
50–59 0.57 0.53–0.62 0.69 0.63–0.75
60–69 0.57 0.53–0.62 0.66 0.61–0.72
≥70 1.00 - 1.00 -
Sex     
Male 1.00 - 1.00 -
Female 1.24 1.17–1.31 1.11 1.04–1.19
Health security     
Health insurance 1.00 - 1.00 -
Medical aid 3.20 2.96–3.47 2.32 2.11–2.54
Others 1.79 1.29–2.48 0.91 0.63–1.30
Severity     
0 1.00 - 1.00 -
1 1.83 1.70–1.97 1.75 1.60–1.90
2 3.92 3.60–4.27 3.05 2.76–3.37
≥3 10.34 8.64–12.38 6.85 5.62–8.34
Number of combination hypoglycemic agents     
No medication 2.33 2.18–2.50 1.77 1.62–1.93
1 agent 1.00 - 1.00 -
2 agents 0.93 0.86–1.01 1.14 1.04–1.25
≥3agents 1.19 1.05–1.34 1.46 1.27–1.67
Diabetic medication     
Oral 1.00 - 1.00 -
Insulin injection or pump 3.00 2.52–3.58 1.82 1.48–2.23
Main attending clinic     
General hospital 1.18 1.06–1.31 1.16 1.03–1.31
Hospital 1.08 0.99–1.19 1.20 1.08–1.34
Clinical 1.00 - 1.00 -
Public health center     
Number of had tested 2.94 2.76–3.13 3.01 2.80–3.23
None 3.20 2.91–3.52 2.60 2.33–2.91
1 1.00 - 1.00 -
≥2 0.83 0.71–0.97 0.89 0.75–1.07
Medication prescription days     
0 days & Severity = 0 1.21 0.95–1.53 1.86 1.43–2.43
0 days & Severity ≥1 2.76 2.36–3.22 2.05 1.71–2.45
1–179 5.63 5.14–6.16 3.72 3.34–4.16
180–269 3.96 3.59–4.37 3.41 3.06–3.81
270–359 2.15 1.96–2.34 2.07 1.87–2.28
≥360 1.00 - 1.00 -
Level of continuity*     
High (COC scores ≥ 0.75) 1.00 - 1.00 -
Low (COC scores < 0.75) 2.95 2.78–3.12 2.44 2.17–2.75
  1. *to identify the association between continuity of care and hospital admission, we had to do only one index. We could not put four continuity indices in this model at the same time because of multicollinearity among indices; high defined as COC scores were more than 0.75, and low defined as COC scores were less than o.75.