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Table 8 Unadjusted and adjusted odds ratios comparing enhanced to traditional fee-for-service produced from the CRC screening model

From: Cancer screening inequities in a time of primary care reform: a population-based longitudinal study in Ontario, Canada

 

Year

Unadjusted

Adjusted for Patient Characteristics

Adjusted for Patient and Physician Characteristics

Odds Ratio

95% CI

p-value

Odds Ratio

95% CI

p-value

Odds Ratio

95% CI

p-value

Income Q1 (lowest)

 Enhanced vs. traditional fee-for-service

2005

1.00

(0.98–1.02)

0.677

0.99

(0.97–1.01)

0.283

1.00

(0.98–1.02)

0.698

2006

1.12

(1.10–1.14)

<.0001

1.11

(1.09–1.13)

<.0001

1.11

(1.10–1.13)

<.0001

2007

1.24

(1.21–1.27)

<.0001

1.23

(1.20–1.26)

<.0001

1.24

(1.21–1.27)

<.0001

2008

1.15

(1.12–1.19)

<.0001

1.16

(1.13–1.20)

<.0001

1.18

(1.14–1.22)

<.0001

2009

1.26

(1.22–1.31)

<.0001

1.30

(1.25–1.35)

<.0001

1.29

(1.24–1.34)

<.0001

2010

1.05

(1.00–1.10)

0.048

1.07

(1.02–1.12)

0.009

1.10

(1.04–1.15)

0.000

2011

1.01

(0.96–1.08)

0.655

1.01

(0.95–1.08)

0.747

1.05

(0.99–1.12)

0.115

2012

1.12

(1.05–1.20)

0.001

1.20

(1.12–1.29)

<.0001

1.20

(1.12–1.29)

<.0001

Income Q5 (highest)

 Enhanced vs. traditional fee-for-service

2005

0.99

(0.98–1.01)

0.190

1.00

(0.99–1.02)

0.895

1.00

(0.98–1.01)

0.853

2006

1.05

(1.04–1.07)

<.0001

1.07

(1.05–1.08)

<.0001

1.08

(1.06–1.09)

<.0001

2007

1.24

(1.21–1.26)

<.0001

1.25

(1.22–1.28)

<.0001

1.26

(1.23–1.29)

<.0001

2008

1.22

(1.18–1.26)

<.0001

1.25

(1.21–1.29)

<.0001

1.28

(1.24–1.32)

<.0001

2009

1.26

(1.21–1.30)

<.0001

1.30

(1.25–1.35)

<.0001

1.28

(1.24–1.34)

<.0001

2010

1.19

(1.13–1.25)

<.0001

1.22

(1.15–1.28)

<.0001

1.24

(1.17–1.31)

<.0001

2011

1.21

(1.13–1.30)

<.0001

1.23

(1.15–1.32)

<.0001

1.27

(1.18–1.36)

<.0001

2012

1.17

(1.09–1.27)

<.0001

1.25

(1.16–1.36)

<.0001

1.26

(1.16–1.36)

<.0001

Ratios of Odds Ratios

 Difference in enhanced vs. traditional fee-for-service between Q1 vs. Q5

2005

1.01

(0.98–1.03)

0.619

0.99

(0.97–1.01)

0.344

1.00

(0.97–1.02)

0.847

2006

1.06

(1.04–1.09)

<.0001

1.04

(1.02–1.06)

0.000

1.04

(1.01–1.06)

0.001

2007

1.00

(0.97–1.03)

0.984

0.99

(0.95–1.02)

0.389

0.98

(0.95–1.02)

0.329

2008

0.94

(0.90–0.99)

0.011

0.93

(0.89–0.97)

0.002

0.92

(0.88–0.97)

0.001

2009

1.01

(0.95–1.06)

0.860

1.00

(0.95–1.06)

0.892

1.00

(0.95–1.06)

0.958

2010

0.88

(0.82–0.95)

0.001

0.88

(0.82–0.94)

0.001

0.89

(0.82–0.95)

0.001

2011

0.84

(0.77–0.92)

0.000

0.82

(0.75–0.90)

<.0001

0.83

(0.75–0.91)

<.0001

2012

0.95

(0.86–1.06)

0.374

0.96

(0.87–1.07)

0.471

0.96

(0.86–1.06)

0.405

  1. Results for Q2-Q4 not shown. Ratios of odds ratios are also presented, with Q5 and traditional fee-for-service serving as referent groups
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