Table 1 Characteristics of the study population with linked and unlinked data, HISlink 2013 and 2018, Belgium
| Â | HISlink 2013 | HISlink 2018 | ||||||
|---|---|---|---|---|---|---|---|---|
Linked N = 9998 | Unlinked N = 831 | Standardized difference | Linkage rate (%) | Linked N = 10,933 | Unlinked N = 678 | Standardized difference | Linkage rate (%) | |
Characteristics | Â | Â | Â | Â | Â | Â | Â | Â |
Gender, n (%) | Â | Â | Â | Â | Â | Â | Â | Â |
Male | 4819 (48.8) | 412 (47.4) | 0.03 | 92.1 | 5235 (49.0) | 353 (56.7) | -0.16 | 93.7 |
Female | 5179 (51.2) | 419 (52.6) | -0.03 | 92.5 | 5698 (51.0) | 325 (43.3) | 0.16 | 94.6 |
Age, n (%) | Â | Â | Â | Â | Â | Â | Â | Â |
0–14 | 1523 (17.2) | 193 (27.0) | -0.24 | 88.7 | 1766 (17.7) | 92 (13.6) | 0.11 | 95.0 |
15–24 | 1051 (11.5) | 100 (13.1) | -0.05 | 91.3 | 994 (11.3) | 65 (11.1) | 0.01 | 93.8 |
25–34 | 1272 (12.3) | 134 (15.3) | -0.08 | 90.5 | 1254 (12.8) | 84 (15.7) | -0.08 | 93.7 |
35–44 | 1378 (13.7) | 144 (14.8) | -0.03 | 90.5 | 1461 (12.7) | 117 (12.9) | -0.01 | 92.6 |
45–54 | 1445 (14.9) | 113 (13.3) | 0.05 | 92.7 | 1569 (13.8) | 156 (21.2) | -0.19 | 90.9 |
55–64 | 1379 (12.5) | 71 (7.5) | 0.17 | 95.1 | 1584 (13.1) | 86 (14.8) | -0.05 | 94.8 |
65–74 | 998 (9.0) | 34 (3.7) | 0.21 | 96.7 | 1249 (9.7) | 40 (5.4) | 0.16 | 96.9 |
75+ | 952 (8.9) | 42 (5.3) | 0.14 | 95.8 | 1056 (8.9) | 38 (5.3) | 0.14 | 96.5 |
Education, n (%) | Â | Â | Â | Â | Â | Â | Â | Â |
Primary/No diploma | 1054 (9.4) | 79 (9.1) | 0.01 | 93.0 | 779 (5.8) | 32 (5.1) | 0.03 | 96.0 |
Lower secondary | 1389 (12.3) | 64 (8.9) | 0.11 | 95.6 | 1391 (12.2) | 43 (6.9) | 0.18 | 97.0 |
Upper secondary | 3194 (33.3) | 201 (24.6) | 0.19 | 94.1 | 3279 (32.0) | 123 (18.9) | 0.30 | 96.4 |
Higher education | 4211 (43.8) | 468 (55.7) | -0.24 | 90.0 | 5309 (48.8) | 446 (67.3) | -0.38 | 92.2 |
Missing | 150 (1.2) | 19 (1.7) | -0.05 | 88.7 | 175 (1.2) | 34 (1.8) | -0.04 | 83.7 |
Household composition, n (%) | Â | Â | Â | Â | Â | Â | Â | Â |
Single | 1685 (15.1) | 78 (10.9) | 0.12 | 95.6 | 2047 (15.5) | 104 (14.1) | 0.04 | 95.2 |
One parent with child(ren) | 1115 (9.0) | 87 (7.8) | 0.04 | 92.8 | 1228 (10.9) | 48 (6.6) | 0.15 | 96.2 |
Couple without child(ren) | 2203 (22.1) | 125 (17.6) | 0.11 | 94.6 | 2469 (22.4) | 129 (24.2) | -0.04 | 95.0 |
Couple with child(ren) | 4105 (45.2) | 374 (45.9) | -0.01 | 91.6 | 4656 (46.3) | 361 (51.5) | -0.11 | 92.8 |
Other or unknown | 890 (8.6) | 167 (17.8) | -0.27 | 84.2 | 533 (4.9) | 36 (3.6) | 0.07 | 93.7 |
Nationality, n (%) | Â | Â | Â | Â | Â | Â | Â | Â |
Belgian | 8834 (91.4) | 457 (60.0) | 0.79 | 95.1 | 9461 (90.1) | 300 (50.1) | 0.97 | 96.9 |
Non Belgian - EU | 700 (4.9) | 276 (29.1) | -0.68 | 71.7 | 846 (5.2) | 338 (43.0) | -0.98 | 71.4 |
Non-Belgian - non EU | 457 (3.6) | 98 (10.9) | -0.28 | 82.3 | 621 (4.7) | 40 (6.9) | -0.09 | 93.9 |
Missing | 7 (0.1) | 0 (-) | - | 100. | 5 (0.1) | 0 (-) | - | 100 |
Household income, n (%) | Â | Â | Â | Â | Â | Â | Â | Â |
Quintile 1 | 1983 (16.9) | 141 (21.3) | -0.11 | 93.4 | 1192 (8.9) | 29 (6.0) | 0.11 | 97.6 |
Quintile 2 | 1516 (14.9) | 57 (10.9) | 0.12 | 96.4 | 1450 (11.9) | 26 (3.2) | 0.33 | 98.2 |
Quintile 3 | 1748 (18.7) | 93 (13.4) | 0.14 | 94.9 | 1820 (16.5) | 41 (8.3) | 0.25 | 97.8 |
Quintile 4 | 1768 (20.5) | 83 (12.8) | 0.21 | 95.5 | 2322 (22.4) | 84 (11.8) | 0.28 | 96.5 |
Quintile 5 | 1781 (19.7) | 193 (22.1) | -0.06 | 90.2 | 2487 (26.4) | 317 (47.5) | -0.45 | 88.7 |
Missing | 1202 (9.3) | 264 (19.4) | -0.29 | 82.0 | 1662 (13.9) | 181 (23.2) | -0.24 | 90.2 |
Region of residence, n (%) | Â | Â | Â | Â | Â | Â | Â | Â |
Flanders | 3425 (57.9) | 87 (32.0) | 0.54 | 97.5 | 4230 (56.5) | 66 (31.4) | 0.52 | 98.5 |
Brussels | 2715 (10.2) | 388 (29.6) | -0.50 | 87.5 | 2873 (10.2) | 226 (26.2) | -0.42 | 92.7 |
Wallonia | 3858 (31.9) | 356 (38.4) | -0.14 | 91.5 | 3830 (33.3) | 386 (42.4) | -0.19 | 90.8 |