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Table 4 Regression models for CCHS 2.1 and 3.1 combined. Triage scale 4-5.

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

  Poisson Negative Binomial Zero Inflated Poisson Zero Inflated Negative Binomial Hurdle Poisson Hurdle Negative Binomial
  --- --- Binary Count Binary Count Binary Count Binary Count
  RR (95% CI) RR (95% CI) OR (95% CI) RR (95%CI) OR (95% CI) RR (95% CI) OR (95% CI) RR (95% CI) OR (95% CI) RR (95% CI)
Male 1.10, (1.06-1.14) ** 1.11, (1.05-1.17)** 0.94,(0.88-1.01) 1.16, (1.10-1.23)** 0.23,(0.07-0.81) * 1.15, (1.08-1.21)** 1.05, (1.00-1.11) 1.15, (1.09-1.21)** 1.05, (1.00-1.11) 1.20, (1.09-1.33)**
Female --- --- --- --- --- --- --- --- --- ---
20-44 years 1.88, (1.79-1.98)** 1.82, (1.68-1.97)** 1.52,(1.37-1.68)** 1.38, (1.29-1.49)** 1.78,(0.43-7.35) 1.78, (1.64-1.93)** 1.80, (1.67-1.95)** 1.38, (1.29-1.49)** 1.80, (1.67-1.95)** 1.42, (1.23-1.63)**
45-64 years 1.18, (1.12-1.24)** 1.16, (1.07-1.25)** 1.11,(1.01-1.22) * 1.10, (1.02-1.18)** 0.45,(0.11-1.81) 1.18, (1.09-1.27)** 1.16, (1.08-1.25)** 1.10, (1.02-1.17)** 1.16, (1.08-1.25)** 1.08, (0.95-1.24)
> 65 years --- --- --- --- --- --- --- --- --- ---
RUB 2 1.25, (1.15-1.36)** 1.22, (1.10-1.36)** 1.16,(0.98-1.38) 1.09, (0.94-1.26) 3.16,(0.74-13.44) 1.16, (1.02-1.31)* 1.21, (1.09-1.34)** 1.11, (0.96-1.29) 1.21, (1.09-1.34)** 1.13, (0.91-1.41)
RUB 3 1.61, (1.50-1.74)** 1.55, (1.40-1.71)** 1.19,(1.02-1.39) * 1.37, (1.20-1.55)** 3.98,(0.94-16.84) 1.47, (1.32-1.65)** 1.46, (1.33-1.61)** 1.41, (1.24-1.60)** 1.46, (1.33-1.61)** 1.48, (1.22-1.80)**
RUB 4-5 1.79, (1.63-1.95)** 1.69, (1.49-1.91)** 1.28,(1.07-1.54)** 1.42, (1.23-1.65)** - 1.53, (1.33-1.75)** 1.59, (1.41-1.80)** 1.48, (1.28-1.71)** 1.59, (1.41-1.80)** 1.56, (1.23-1.98)**
RUB 1 --- --- --- --- --- --- --- --- --- ---
ADG 6-9 1.39, (1.33-1.46)** 1.37, (1.28-1.47)** 1.09,(0.99-1.20) 1.30, (1.21-1.39)** 0.11,(0.02-0.55) ** 1.45, (1.35-1.56)** 1.30, (1.21-1.38)** 1.30, (1.21-1.40)** 1.29, (1.21-1.38)** 1.39, (1.23-1.57)**
ADG 10-32 2.19, (2.04-2.34)** 2.16, (1.94-2.41)** 1.27,(1.11-1.45)** 1.84, (1.67-2.02)** 0.07,(0.01-0.48) ** 2.29, (2.04-2.55)** 1.80, (1.62-2.00)** 1.84, (1.67-2.02)** 1.80, (1.62-1.99)** 2.21, (1.83-2.65)**
ADG 0-5 --- --- --- --- --- --- --- --- --- ---
Income Low 1.62, (1.53-1.71)** 1.53, (1.40-1.66)** 1.18,(1.06-1.32) * 1.40, (1.29-1.51)** 0.22,(0.07-0.73) * 1.58, (1.45-1.73)** 1.45, (1.33-1.57)** 1.41, (1.31-1.53)** 1.45, (1.33-1.57)** 1.47, (1.26-1.70)**
Income Med. 1.32, (1.27-1.38)** 1.30, (1.23-1.38)** 1.07,(0.98-1.16) 1.25, (1.18-1.33)** 0.63,(0.26-1.50) 1.32, (1.24-1.41)** 1.24, (1.17-1.31)** 1.26, (1.18-1.34)** 1.24, (1.17-1.31)** 1.31, (1.18-1.46)**
Income High --- --- --- --- --- --- --- --- --- ---
Educ. Low 1.27, (1.21-1.33)** 1.26, (1.17-1.35)** 1.21,(1.10-1.32) * 1.12, (1.05-1.19)** - 1.20, (1.11-1.29)** 1.27, (1.19-1.36)** 1.11, (1.04-1.18)** 1.27, (1.19-1.36)** 1.12, (0.99-1.27)
Educ. Med. 1.08, (1.03-1.12)** 1.08, (1.02-1.15)* 1.08,(0.99-1.17) 1.03, (0.97-1.10) 6.40,(1.39-29.47) * 1.04, (0.97-1.11) 1.09, (1.03-1.16)** 1.02, (0.96-1.09) 1.09, (1.03-1.16)** 1.02, (0.91-1.14)
Educ. High --- --- --- --- --- --- --- --- --- ---
SRH Poor 1.50, (1.42-1.58)** 1.51, (1.39-1.64)** 1.07,(0.97-1.19) 1.41, (1.31-1.52)** - 1.49, (1.37-1.61)** 1.32, (1.22-1.43)** 1.42, (1.32-1.53)** 1.32, (1.22-1.43)** 1.62, (1.41-1.86)**
SRH Good 1.16, (1.11-1.20)** 1.14, (1.07-1.22)** 1.05,(0.97-1.15) 1.10, (1.03-1.17)** 0.62,(0.31-1.27) 1.16, (1.08-1.23)** 1.12, (1.06-1.19)** 1.11, (1.04-1.18)** 1.12, (1.06-1.19)** 1.14, (1.02-1.27)*
SRH Excellent --- --- --- --- --- --- --- --- --- ---
Access Doctor 0.58, (0.55-0.61)** 0.61, (0.56-0.67)** 0.86,(0.78-0.96) * 0.69, (0.64-0.74)** 3.49,(1.65-7.38) ** 0.58, (0.53-0.64)** 0.69, (0.63-0.75)** 0.67, (0.62-0.72)** 0.69, (0.63-0.75)** 0.57, (0.50-0.66)**
No Doctor --- --- --- --- --- --- --- --- --- ---
1 Chronic Conditions 1.10, (1.05-1.15)** 1.09, (1.02-1.17)* 1.18,(1.08-1.30) * 0.97, (0.91-1.04) 1.68,(0.80-3.52) 1.07, (1.00-1.15) 1.14, (1.07-1.22)** 0.97, (0.90-1.04) 1.14, (1.07-1.22)** 0.92, (0.82-1.04)
>2 Chronic Condition 1.25, (1.19-1.32)** 1.26, (1.16-1.36)** 1.25,(1.13-1.38)** 1.06, (0.99-1.14) - 1.19, (1.10-1.29)** 1.27, (1.18-1.37)** 1.06, (0.99-1.14) 1.27, (1.18-1.37)** 1.08, (0.94-1.24)
No Chronic Condition --- --- --- --- --- --- --- --- --- ---
Rural 1.59, (1.53-1.65)** 1.61, (1.52-1.71)** 1.56,(1.44-1.69)** 1.16, (1.10-1.23)** - 1.55, (1.45-1.65)** 1.64, (1.55-1.74)** 1.16, (1.10-1.23)** 1.64, (1.55-1.74)** 1.23, (1.11-1.37)**
Urban --- --- --- --- --- --- --- --- --- ---
  1. *Statistically significant at 0.05 level
  2. **Statistically significant at 0.01 level