Table 4 Odds ratios for use of health care in Brussels and Wallonia compared to Flanders, after adjustment for differences in age and gender, by source and assessment method, BHIS 2008

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OR

(95 % CI)

OR

(95 % CI)

P-value interaction ^d

OR

(95 % CI)

P-value interaction ^e

 Flanders

1.00

1.00

1.00

 Brussels

0.41*

(0.39–0.42)

0.45*

(0.37–0.54)

0.21

0.59*

(0.50–0.70)

< 0.001

 Wallonia

0.77*

(0.75–0.79)

0.79*

(0.65–0.95)

0.84

0.85

(0.72–1.01)

0.28

 Flanders

1.00

1.00

1.00

 Brussels

1.08*

(1.05–1.12)

1.33*

(1.15–1.53)

0.01

1.51*

(1.33–1.72)

< 0.001

 Wallonia

1.19*

(1.17–1.22)

1.36*

(1.18–1.57)

0.10

1.26*

(1.11–1.43)

0.46

 Flanders

1.00

1.00

1.00

 Brussels

0.77*

(0.74–0.79)

0.78*

(0.67–0.89)

0.81

0.88

(0.76–1.02)

0.02

 Wallonia

0.72*

(0.70–0.73)

0.70*

(0.61–0.81)

0.79

0.74*

(0.64–0.86)

0.47

 Flanders

1.00

1.00

1.00

 Brussels

0.85*

(0.83–0.88)

0.83*

(0.71–0.96)

0.65

0.91

(0.78–1.05)

0.42

 Wallonia

0.77*

(0.76–0.79)

0.74*

(0.64–0.86)

0.56

0.73*

(0.63–0.85)

0.52

 Flanders

1.00

1.00

1.00

 Brussels

0.90*

(0.86–0.94)

0.90

(0.76–1.07)

0.72

1.08

(0.92–1.27)

0.02

 Wallonia

0.97*

(0.94–0.99)

0.86

(0.73–1.02)

0.16

0.92

(0.78–1.08)

0.53

 Flanders

1.00

1.00

1.00

 Brussels

0.92*

(0.88–0.97)

0.98

(0.80–1.20)

0.56

0.92

(0.76–1.11)

0.94

 Wallonia

1.06

(1.03–1.09)

0.89

(0.73–1.08)

0.08

0.84

(0.70–1.01)

0.01

 Flanders

1.00

1.00

1.00

 Brussels

0.94*

(0.90–0.98)

1.02

(0.86–1.22)

0.45

0.93

(0.74–1.16)

0.74

 Wallonia

0.89*

(0.86–0.91)

0.89

(0.75–1.06)

0.95

0.79*

(0.63–0.99)

0.29