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Table 2 Utilization of various types of health care, by source and assessment method, Belgium, 2008 (population aged 15 years and over)

From: Regional differences in the validity of self-reported use of health care in Belgium: selection versus reporting bias

 

BCHI sample a (n = 224,903)

BHIS-linked b (n = 8,869)

BHIS-linked b (n =8,869)

BHIS-total c (n = 9,651)

 

Register-based information

Self-reported information

 

%

95 % CI

%

95 % CI

%

95 % CI

%

95 % CI

GP contact < 12 m

79.4

(79.2–79.5) d

82.7

(81.5–83.8) f

80.4

(79.0–81.4) f

79.5

(78.3–80.8)

Specialist contact < 12 m

60.0

(59.8–60.2)

65.0

(63.5–66.4) f

50.5

(48.9–52.1) f

49.5

(48.0–51.0)

Dentist contact < 12 m

45.0

(44.8–45.2)

48.6

(46.9–50.2) f

58.3

(56.5–60.0) f

58.7

(57.1–60.3)

Dentist contact < 6 m

30.1

(29.9–30.3)

31.7

(30.2–33.3) f

32.4

(30.8–34.0) f

32.5

(31.0–34.0)

Physiotherapist contact < 12 m

15.9

(15.7–16.0) e

17.6

(16.4–18.8) f

17.3

(16.2–18.5) f

17.1

(16.1–18.2)

Inpatient hospitalisation < 12 m

11.9

(11.7–12.0)

11.0

(10.1–12.0)

12.0

(11.0–13.0)

11.8

(10.8–12.7)

Day patient hospitalisation < 12 m

13.0

(12.8–13.1)

13.9

(12.9–14.9)

7.8

(7.1–8.6)

7.5

(6.8–8.3)

  1. <12 m: the exact meaning differs slightly by source; for the BCHI sample: during the 12 months of 2008; for the BHIS sample: during the 12 months prior to the date of the interview
  2. < 6 m: the exact meaning differs slightly by source; for the BCHI sample: during a random period of 6 months in 2008; for the BHIS sample: during the 6 months prior to the date of the interview
  3. a BCHI : Belgian Compulsory Health Insurance
  4. b BHIS-linked: Belgian Health Interview Survey Sample for which linkage was possible
  5. c BHIS-total: Total Belgian Health Interview Survey Sample
  6. d excluding 1.4 % of the population using a forfait system for reimbursement of GP services
  7. e excluding 1.2 % of the population using a forfait system for reimbursement of physiotherapist
  8. f excluding 5.9 % of sample not reimbursed for ambulatory care via the compulsory scheme during the whole study period