Baseline characteristics of the total study population and cases only, stratified by sex
| Women | Men | |||||
| Study population (n=866 834) | Cases (n=1659) | Study population (n=821 451) | Cases (n=3834) | |||
| Characteristics | Age in years, median (IQR) | 49.3 (37.9–62.8) | 70.1 (59.2–78.8) | 48.2 (37.7–60.8) | 65.2 (56.4–74.6) | |
| Ethnicity | Dutch | 644 413 (74.3) | 1353 (81.6) | 610 862 (74.4) | 3164 (82.5) | |
| Western | 102 123 (11.8) | 162 (9.8) | 91 508 (11.1) | 360 (9.4) | ||
| Antillean | 6794 (0.8) | * | 6618 (0.8) | 20 (0.5) | ||
| Moroccan | 21 227 (2.4) | 20 (1.2) | 23 564 (2.9) | 33 (0.9) | ||
| Surinamese | 34 382 (4.0) | 68 (4.1) | 27 742 (3.4) | 117 (3.1) | ||
| Turkish | 19 575 (2.3) | 19 (1.1) | 21 219 (2.6) | 57 (1.5) | ||
| Miscellaneous non-Western | 38 320 (4.4) | * | 39 938 (4.9) | 83 (2.2) | ||
| Income in euros, median (IQR) | 21 753 (16 221–29 432) | 18 367 (14 855.5–24 222) | 23 258 (17 331–31 132) | 20 844 (16 213–27 793) | ||
| Income quintiles† | Q1 | 159 075 (18.4) | 163 (9.8) | 178 574 (21.7) | 560 (14.6) | |
| Q2 | 164 660 (19.0) | 218 (13.1) | 173 005 (21.1) | 701 (18.3) | ||
| Q3 | 170 208 (19.6) | 291 (17.5) | 167 367 (20.4) | 770 (20.1) | ||
| Q4 | 183 494 (21.2) | 499 (30.1) | 154 227 (18.8) | 967 (25.2) | ||
| Q5 | 189 397 (21.8) | 488 (29.4) | 148 278 (18.1) | 836 (21.8) | ||
| Determinants | Employment status | Unemployed | 167 707 (19.3) | 339 (20.4) | 86 297 (10.5) | 564 (14.7) |
| Employed | 508 418 (58.7) | 293 (17.7) | 589 213 (71.7) | 1325 (34.6) | ||
| Pensioner | 190 709 (22.0) | 1027 (61.9) | 145 941 (17.8) | 1945 (50.7) | ||
| Primary earner status | Primary earner | 298 266 (34.4) | 634 (38.2) | 463 601 (56.4) | 2236 (58.3) | |
| Equal earning | 110 311 (12.7) | 193 (11.6) | 223 079 (27.2) | 1048 (27.3) | ||
| Not primary earner | 458 257 (52.9) | 832 (50.2) | 134 771 (16.4) | 550 (14.3) | ||
| Living with children | Yes | 282 171 (32.6) | 155 (9.3) | 244 526 (29.8) | 476 (12.4) | |
| No | 584 663 (67.4) | 1504 (90.7) | 576 925 (70.2) | 3358 (87.6) | ||
| Marital status | Not married | 227 684 (26.3) | 174 (10.5) | 272 656 (33.2) | 496 (12.9) | |
| Married | 438 221 (50.6) | 857 (51.7) | 446 055 (54.3) | 2648 (69.1) | ||
| Divorced | 109 610 (12.6) | 239 (14.4) | 80 021 (9.7) | 465 (12.1) | ||
| Widowed | 91 293 (10.5) | 389 (23.4) | 22 697 (2.8) | 225 (5.9) | ||
| Missing | 26 (0.003) | – | 22 (0.003) | – | ||
| Living situation | Alone | 551 967 (63.7) | 1097 (66.1) | 496 031 (60.4) | 2274 (59.3) | |
| Together | 314 867 (36.3) | 562 (33.9) | 325 420 (39.6) | 1560 (40.7) | ||
| Metabolic factors | Hypertension medication | 201 039 (23.2) | 1007 (60.7) | 160 780 (19.6) | 2064 (53.8) | |
| Diabetes mellitus medication | 44 736 (5.2) | 304 (18.3) | 45 827 (5.6) | 588 (15.3) | ||
| Dyslipidaemia medication | 90 240 (10.4) | 506 (30.5) | 107 736 (13.1) | 1418 (37.0) | ||
| Outcome | Follow-up time in days, median (IQR) | 2556 (2556–2556) | NA | 2556 (2556–2556) | NA | |
| Follow-up time in days, mean (SD) | 2395.717 (504.4625) | NA | 2391.596 (510.9087) | NA | ||
| Censoring | OHCA | 1659 (0.2) | NA | 3834 (0.5) | NA | |
| SCD | 817 (0.09) | NA | 928 (0.1) | NA | ||
| Other death | 63 810 (7.4) | NA | 56 889 (6.9) | NA | ||
| Unknown death | 1175 (0.1) | NA | 1206 (0.1) | NA | ||
| Moved | 37 420 (4.3) | NA | 38 991 (4.7) | NA | ||
| Administrative | 761 953 (87.9) | NA | 719 603 (87.6) | NA | ||
Results are presented as n (%) unless indicated otherwise.
*Data are omitted to prevent revelation.
†Q1: €32 621–1 000 000; Q2: €25 152–32 620; Q3: €20 110–25 151; Q4: €15 527–20 109; Q5: €−500 000–15 526.
NA, not applicable; OHCA, out-of-hospital cardiac arrest; SCD, sudden cardiac death.