Upper GI symptoms | Control patients | |
---|---|---|
Number of patients | 13,389 | 13,389 |
Sex (n (%)) | ||
Male | 5,965 (44.6) | 5,965 (44.6) |
Female | 7,424 (55.4) | 7,424 (55.4) |
Age (years) | ||
Mean | 53.3 | 53.4 |
Range | 18 - 100 | 18 - 98 |
Ethnicity (n (%)) | ||
native Dutch | 9,214 (68.8) | 9,280 (69.3) |
Western immigrant | 721 (5.4) | 692 (5.2) |
non-Western immigrant | 850 (6.4) | 778 (5.8) |
unknown | 2,604 (19.4) | 2,639 (19.7) |
Level of Education (n (%)) | ||
low† | 3,218 (24.0) | 2,688 (20.1) |
intermediate† | 6,041 (45.1) | 6,097 (45.5) |
high† | 1,350 (10.1) | 1,754 (13.1) |
unknown | 2,780 (20.8) | 2,850 (21.3) |