Table 1. Cohort characteristics by migrant status in the complete case sample.
| Characteristics | Swedish-born (n = 1,119,868; 90.2%) |
Non-refugee migrants (n = 104,250; 8.4%) | Refugees (n = 17,783; 1.4%) |
||||||
|---|---|---|---|---|---|---|---|---|---|
| N | Percent | Person-years | N | Percent | Person-years | N | Percent | Person-years | |
| Psychiatric diagnosis | |||||||||
| Any substance use disorder | 38,971 | 3.5 | 13,427,338 | 1,223 | 1.2 | 862,574 | 223 | 1.3 | 149,389 |
| Alcohol use disorder | 29,444 | 2.6 | 13,498,936 | 690 | 0.7 | 865,865 | 117 | 0.7 | 150,000 |
| Cannabis use disorder | 4,381 | 0.4 | 13,730,555 | 301 | 0.3 | 868,961 | 52 | 0.3 | 150,534 |
| Polydrug use disorder | 7,553 | 0.7 | 13,704,514 | 246 | 0.2 | 869,319 | 53 | 0.3 | 150,501 |
| Sex | |||||||||
| Female | 545,163 | 48.7 | 6,514,361 | 53,104 | 50.9 | 442,936 | 7,798 | 43.8 | 65,542 |
| Male | 574,705 | 51.3 | 6,912,978 | 51,146 | 49.1 | 419,638 | 9,985 | 56.2 | 83,848 |
| Birth year | |||||||||
| 1984–1985 | 155,362 | 13.9 | 2,642,047 | 28,029 | 26.9 | 231,807 | 3,613 | 20.3 | 32,313 |
| 1986–1987 | 166,546 | 14.9 | 2,523,494 | 21,851 | 21.0 | 181,848 | 3,063 | 17.2 | 27,592 |
| 1998–1999 | 182,803 | 16.3 | 2,436,898 | 15,632 | 15.0 | 138,784 | 2,784 | 15.7 | 24,706 |
| 1990–1991 | 195,903 | 17.5 | 2,261,732 | 13,419 | 12.9 | 122,323 | 2,709 | 15.2 | 23,664 |
| 1992–1993 | 184,705 | 16.5 | 1,804,263 | 8,640 | 8.3 | 69,895 | 2,485 | 14.0 | 18,977 |
| 1993–1995 | 163,036 | 14.6 | 1,294,891 | 11,198 | 10.7 | 83,404 | 2,255 | 12.7 | 16,556 |
| 1996–1997 | 71,513 | 6.4 | 464,013 | 5,481 | 5.3 | 34,514 | 874 | 4.9 | 5,582 |
| Region of origin | |||||||||
| Sweden | 1,119,868 | 100.0 | 13,427,338 | ||||||
| Eastern Europe and Russia | 30,236 | 29.0 | 246,832 | 1,066 | 6.0 | 10,770 | |||
| Asia | 26,582 | 25.5 | 197,954 | 3,063 | 17.2 | 25,888 | |||
| Middle East and North Africa | 35,088 | 33.7 | 313,406 | 7,363 | 41.4 | 65,936 | |||
| Sub-Saharan Africa | 12,344 | 11.8 | 104,382 | 6,291 | 35.4 | 46,796 | |||
| Age at migration | |||||||||
| Sweden | 1,119,868 | 100.0 | 13,427,338 | ||||||
| 0–6 years | 5,115 | 4.9 | 37,250 | 1,014 | 5.7 | 7,423 | |||
| 7–15 years | 35,314 | 33.9 | 348,804 | 5,175 | 29.1 | 49,216 | |||
| 16–19 years | 21,761 | 20.9 | 198,099 | 5,219 | 29.4 | 44,114 | |||
| 20+ years | 42,060 | 40.4 | 278,422 | 6,375 | 35.9 | 48,635 | |||
| Time in Sweden | |||||||||
| Sweden | 1,119,868 | 100.0 | 13,427,338 | ||||||
| 0–4 years | 94,733 | 90.9 | 787,642 | 16,196 | 91.1 | 136,937 | |||
| 5–9 years | 8,218 | 7.9 | 66,244 | 1,214 | 6.8 | 10,037 | |||
| 10+ years | 1,299 | 1.3 | 8,688 | 373 | 2.1 | 2,414 | |||
| Family income | |||||||||
| Quintile 1 (lowest) | 11,021 | 1.0 | 121,140 | 57,300 | 55.0 | 420,470 | 12,213 | 68.7 | 98,150 |
| Quintile 2 | 77,101 | 6.9 | 904,388 | 19,242 | 18.5 | 176,311 | 1,998 | 11.2 | 17,842 |
| Quintile 3 | 204,960 | 18.3 | 2,452,882 | 18,047 | 17.3 | 173,216 | 2,429 | 13.7 | 22,416 |
| Quintile 4 | 397,382 | 35.5 | 4,782,866 | 7,146 | 6.8 | 69,198 | 893 | 5.0 | 8,590 |
| Quintile 5 (highest) | 429,404 | 38.3 | 5,166,062 | 2,515 | 2.4 | 23,379 | 250 | 1.4 | 2,391 |
| Family employment | |||||||||
| Unemployed | 197,330 | 17.6 | 2,443,022 | 4,372 | 4.2 | 39,224 | 501 | 2.8 | 4,347 |
| Employed | 922,538 | 82.4 | 10,984,316 | 99,878 | 95.8 | 823,350 | 17,282 | 97.2 | 145,042 |
| Population density | |||||||||
| 0–25 pp/km2 | 280,679 | 25.1 | 3,415,094 | 10,553 | 10.1 | 93,166 | 5,202 | 29.3 | 43,615 |
| 25.1–250 pp/km2 | 616,654 | 55.1 | 7,398,665 | 48,239 | 46.3 | 401,105 | 8,584 | 48.3 | 72,387 |
| 250.1–2,500 pp/km2 | 161,798 | 14.5 | 1,903,867 | 30,385 | 29.2 | 244,110 | 2,663 | 15.0 | 22,204 |
| 2,500.1 or more pp/km2 | 60,737 | 5.4 | 709,712 | 15,073 | 14.5 | 124,196 | 1,334 | 7.5 | 11,184 |
| PTSD diagnosis | 2,370 | 0.2 | 25,886 | 659 | 0.6 | 6,607 | 227 | 1.3 | 1,866 |
Abbreviations: pp/km2, people per square kilometer; PTSD, post-traumatic stress disorder