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Table 4 Adjusted relative rate (95% confidence interval (CI)) of asthma admission, ED visit or death within 6 to 36 months post index event for the asthma admission and ED cohorts, according to AEC service availability

From: The association of asthma education centre characteristics on hospitalizations and emergency department visits in Ontario: a population-based study

 

Admission cohort

ED cohort

N = 12 029

N = 63 025

 

Relative rate

Relative rate

(95% CI)

( 95% CI )

Access to AEC

  

  Fulltime extended hours

0.87 (0.71,1.08)

0.78 (0.69,0.90)

  Fulltime regular hours

0.95 (0.74,1.22)

1.13 (0.98,1.30)

  Part-time extended hours

0.90 (0.78,1.03)

0.94 (0.85,1.03)

  Part-time regular hours

0.93 (0.80,1.08)

1.03 (0.84,1.25)

  No AEC

1.00 Reference

1.00 Reference

Sex

  

  Male

1.04 (0.95,1.14)

1.14 (1.08,1.20)

Age group (years)

  

  2 - 4

0.57 (0.47,0.69)

0.93 (0.85,1.02)

  5 - 9

0.51 (0.41,0.63)

0.81 (0.74.0.90)

  10-14

0.48 (0.39,0.58)

0.69 (0.63,0.76)

  15-19

0.87 (0.68,1.11)

0.93 (0.84,1.04)

  20-24

1.00 Reference

1.00 Reference

  25-29

0.78 (0.62,0.98)

0.91 (0.82,1.00)

  30-39

0.95 (0.74,1.23)

0.89 (0.81,0.98)

  40-55

0.66 (0.53,0.83)

0.86 (0.79,0.94)

Acuity at index event

  

  CTAS 1-2 (Highest acuity)

Not applicable

1.35 (1.27,1.43)

  CTAS 3

Not applicable

1.00 Reference

Income quintile

  

  1 (lowest)

1.40 (1.23,1.59)

1.34 (1.25,1.44)

  2

1.29 (1.13,1.46)

1.18 (1.10,1.27)

  3

1.15 (1.01,1.31)

1.18 (1.10,1.27)

  4

1.06 (0.94,1.20)

1.01 (0.94,1.07)

  5 (highest)

1.00 Reference

1.00 Reference

  Missing

1.72 (1.07,2.77)

0.92 (0.64,1.32)

Rural

1.01 (0.89,1.13)

0.99 (0.91,1.07)

Core primary care services in previous 2 yrs.

0.96 (0.78,1.18)

0.97 (0.88,1.07)

Previously diagnosed asthma

1.35 (1.21,1.50)

2.19 (2.01,2.38)

Specialist asthma visit in previous 2 yrs.

1.14 (1.07,1.22)

1.09 (1.04,1.14)

Asthma admissions in previous 2 yrs.

1.90 (1.67,2.16)

1.52 (1.35,1.72)

Asthma ED visits in previous 2 yrs.

2.47 (2.29,2.67)

2.71 (2.53,2.89)

Hospital type

  

  Community

1.01 (0.84,1.22)

1.26 (1.12,1.43)

  Small

0.82 (0.62,1.08)

1.4 (1.18,1.66)

  Teaching

1.00 Reference

1.00 Reference

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BMC Health Services Research

ISSN: 1472-6963

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