Table 3 Baseline characteristics of the study population
All subjects | 3-year interval (Finnish) | 1-2-year interval (non-Finnish) | ||
|---|---|---|---|---|
Observation years | 7928 | 4625 | 3299 | |
Number of subjects | 944 | 505 | 439 | |
Gender | Male | 430 | 246 (48.7%) | 184 (41.9%) |
Female | 514 | 259 (51.3%) | 255 (58.1%) | |
Age at inclusion | (Mean, SD) | 35.5 (11.7) | 35.2 (12.1) | 36.1 (11.0) |
Follow-up time | (Mean, SD) | 8.4 (5.7) | 9.2 (5.9) | 7.5 (5.2) |