Table 1 Descriptive characteristics of the study population in each region and in total sample at the baseline year 1998
From: Regional differences in annual prevalence of sustainable working life in Swedish twin cohort
|  | Regions, n (%*) | Total N (%¤) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ||
Sex | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Women | 6339 (16) | 6760 (16) | 9815 (24) | 3431 (8) | 2940 (7) | 5739 (14) | 2734 (7) | 2422 (6) | 650 (2) | 40 830 (50) |
Age categories | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
18–27 | 2652 (17) | 2394 (15) | 4163 (27) | 1242 (8) | 1021 (7) | 2057 (13) | 909 (6) | 866 (6) | 234 (2) | 15 538 (19) |
28–37 | 3203 (18) | 2997 (17) | 4088 (24) | 1389 (8) | 1094 (6) | 2401 (14) | 1049 (6) | 913 (5) | 245 (1) | 17 379 (21) |
38–47 | 2617 (15) | 2848 (16) | 3954 (23) | 1602 (9) | 1353 (8) | 2566 (15) | 1268 (7) | 1095 (6) | 283 (1) | 17 586 (22) |
48–57 | 2553 (13) | 3384 (17) | 4612 (23) | 1817 (9) | 1499 (7) | 3007 (15) | 1559 (8) | 148 (7) | 385 (2) | 20 164 (25) |
58–67 | 1231 (12) | 1558 (15) | 2395 (23) | 988 (9) | 819 (8) | 1736 (16) | 895 (5) | 754 (7) | 188 (29 | 10 564 (13) |
Zygosity€ |  |  |  |  |  |  |  |  |  |  |
Monozygotic | 2878 (15) | 3293 (17) | 4665 (24) | 1610 (8) | 1302 (7) | 2739 (14) | 1260 (7) | 1038 (5) | 324 (2) | 19 109 (24) |
Dizygotic | 3434 (15) | 3781 (16) | 5506 (23) | 2107 (9) | 1743 (7) | 3493 (15) | 1711 (7) | 1508 (6) | 388 (2) | 23 671 (29) |