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Table 2 Proportion of persons visiting the emergency department (ED) at least once in a given year and the rate of emergency department visits conditioned on using the emergency department.

From: Modeling factors influencing the demand for emergency department services in ontario: a comparison of methods

  CCHS 2.1 CCHS 3.1
  Triage 1-3 Triage 4-5 Triage 1 -3 Triage 4-5
  % ≥ 1
ED visit
Mean (SD) % ≥ 1
ED visit
Mean (SD) % ≥ 1
ED visit
Mean (SD) % ≥ 1
ED visit
Mean (SD)
Female 9.6 1.46(22.69) 11.7 1.57(27.52) 11.8 1.48(17.92) 11.6 1.50(19.52)
Male 10.0 1.51(21.30) 11.3 1.55(25.29) 11.0 1.49(24.51) 11.6 1.50(20.92)
Age 20-44 8.3 1.45(30.23) 12.5 1.49(24.08) 9.9 1.49(27.00) 12.3 1.50(21.49)
Age 45-64 9.7 1.45(17.02) 9.8 1.56(24.29) 11.2 1.40(16.38) 10.1 1.46(19.09)
Age 65-80 15.2 1.62(15.82) 11.9 1.87(33.37) 17.3 1.63(16.88) 12.9 1.60(18.96)
Income High 8.1 1.39(19.60) 9.7 1.43(22.52) 10.5 1.47(28.39) 11.5 1.41(20.12)
Income Medium 11.1 1.52(24.35) 12.8 1.64(25.27) 13.2 1.48(15.60) 12.5 1.60(19.30)
Income Low 15.0 1.63(16.91) 15.3 1.75(23.12) 18.0 1.88(24.83) 15.5 1.94(24.66)
Education High 8.6 1.38(15.73) 9.8 1.54(25.85) 9.9 1.46(22.94) 10.6 1.43(18.98)
Education Medium 10.1 1.57(32.25) 12.2 1.51(23.47) 11.8 1.39(16.59) 12.2 1.50(19.52)
Education Low 13.5 1.61(19.13) 15.9 1.69(30.88) 16.8 1.66(21.57) 14.2 1.74(23.23)
No chronic condition 7.3 1.34(26.11) 10.1 1.48(24.12) 8.5 1.39(20.07) 10.1 1.39(18.72)
One Chronic conditions 9.8 1.54(21.51) 11.5 1.59(26.08) 11.8 1.48(26.00) 12.1 1.43(16.89)
Two or more chronic conditions 16.0 1.60(18.67) 15.0 1.68(29.29) 18.2 1.62(18.05) 14.7 1.78(23.56)
Self rated health excellent 7.5 1.27(12.41) 10.3 1.42(19.85) 8.8 1.37(15.80) 10.0 1.40(17.52)
Self rated health good 10.3 1.47(19.79) 11.4 1.59(28.31) 11.8 1.37(16.98) 13.1 1.47(18.19)
Self rated health fair/poor 19.6 1.89(31.19) 17.4 1.92(34.36) 24.1 1.86(29.94) 16.4 1.92(25.68)
ADG 0-5 6.8 1.35(17.19) 9.5 1.40(18.45) 7.8 1.32(15.25) 10.2 1.36(14.85)
ADG 6-9 12.0 1.43(16.71) 13.2 1.59(27.46) 14.4 1.41(16.20) 12.2 1.60(20.23)
ADG 10+ 23.1 1.84(32.50) 19.8 2.03(38.61) 27.1 1.93(31.97) 19.1 1.85(30.32)
RUB 0, 1 4.6 1.20(11.38) 8.0 1.38(18.22) 6.6 1.28(14.38) 9.0 1.30(13.12)
RUB 2 6.5 1.39(21.66) 10.3 1.32(15.15) 6.5 1.25(9.74) 9.5 1.26(11.94)
RUB 3 9.1 1.37(15.53) 10.9 1.53(23.31) 10.9 1.35(15.17) 11.5 1.48(17.67)
RUB 4, 5 20.6 1.74(28.71) 18.1 1.88(36.03) 22.9 1.83(29.22) 16.5 1.82(27.83)
Had regular doctor 10.1 1.50(22.52) 11.5 1.55(26.84) 11.4 1.48(21.47) 11.4 1.47(19.54)
Didn't have regular doctor 7.2 1.31(13.33) 11.6 1.68(23.54) 10.9 1.54(18.51) 13.0 1.78(23.93)
Rural 10.1 1.45(13.81) 17.9 1.70(26.50) 11.4 1.39(13.87) 16.6 1.55(15.47)
Urban 9.8 1.49(23.69) 10.4 1.53(26.53) 11.4 1.50(22.62) 10.8 1.49(21.59)
  1. These statistics are summarized for both low and high severity cases and CCHS cycles.