Table 3.
Overview of the sample size of the Belgian health interview surveys1997-2008
| Year | 1997 | 2001 | 2004 | 2008 |
|---|---|---|---|---|
| Basic sample |
10,000 |
10,000 |
10,000 |
10,000 |
| Provincial oversampling |
|
|
|
|
| Antwerp |
|
350 |
|
|
| Hainaut |
|
500 |
|
|
| Limburg |
|
200 |
450 |
|
| Luxembourg |
|
1,000 |
897 |
|
| Oversampling elderly |
|
|
|
|
| 65-85 years |
|
|
550 |
|
| 74-85 years |
|
|
|
400 |
| 85 years + |
|
|
700 |
850 |
| Total |
|
|
|
|
| Planned interviews |
10,000 |
12,050 |
12,597 |
11,250 |
| Realised interviews | 10,221 | 12,111 | 12,945 | 11,254 |