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Table 3 Summary of rurality adjusted estimates of the effect of the intervention on hospitalisations and length of stay from NBREG

From: Impact of removing prescription co-payments on the use of costly health services: a pragmatic randomised controlled trial

 

Observed Incidence rate

Model predicted incidence rate

Adjusted Incidence rate ratio

Outcome measure

Intervention

Control

Intervention

Control

IRRa

CI for IRR

P-value

Hospital admissions

0.773

0.966

0.817

1.01

0.81

0.626, 1.047

0.11

Total LOS

2.078

3.257

2.516

3.697

0.68

0.541, 1.027

0.07

Mental health admissions

0.017

0.043

0.017

0.044

0.39

0.169, 0.915

0.03

Mental health LOS

0.109

0.206

0.099

0.232

0.43

0.126, 1.452

0.17

COPD admissions

0.034

0.094

0.036

0.098

0.37

0.162, 0.853

0.02

COPD LOS

0.126

0.529

0.13

0.656

0.20

0.065, 0.60

P < 0.01

Diabetes admissions

0.027

0.036

0.029

0.033

0.88

0.29, 2.64

0.82

Diabetes LOS

0.147

0.18

0.177

0.146

1.21

0.268, 5.49

0.80

ED admissions

0.985

1.049

1.016

1.082

0.94

0.716, 1.232

0.65

  1. aIRR incidence rate ratio of outcome in intervention group relative to control group