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Table 3 Univariate and multivariate logistic regression of factors associated with pre-hospital delay ≥ 2 h

From: Longer pre-hospital delay in first myocardial infarction among patients with diabetes: an analysis of 4266 patients in the Northern Sweden MONICA Study

  Univariate analysis Multivariate analysis**
  OR 95% CI p-value OR 95% CI p-value
Diabetes
No 1.0    1.0   
Yes 1.29 1.10-1.53 p = 0.002 1.28 1.08-1.52 p = 0.005
Sex
Men 1.0      
Women 1.10 0.97-1.27 p = 0.130 ------ ------- -------
Age
25-64 1.0    1.0   
65-74 1.20 1.06-1.36 p = 0.003 1.22 1.07-1.38 p = 0.003
Symptoms
Typical 1.0    1.0   
Atypical 0.59 0.47-0.75 p < 0.001 0.58 0.46-0.73 p < 0.001
Size of residential area*
City 1.0    1.0   
Town 1.30 1.12-1.50 p < 0.001 1.28 1.10-1.48 p = 0.002
Rural area 1.55 1.34-1.81 p < 0.001 1.51 1.30-1.77 p < 0.001
  1. *Rural area < 1 000 inhabitants, Town 1 000–15 000 inhabitants, City > 15 000 inhabitants.
  2. **The multivariate analysis adjusts for all variables except for sex.