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Table 1 Sample characteristics

From: Socioeconomic correlates of incident and fatal opioid overdose among Swedish people with opioid use disorder

  All Data from the Swedish in- and outpatient register Data from the Swedish Cause of death register
N = 22,079 No opioid OD
N = 17,759 (80.4%)
Opioid OD
N = 4320 (19.6%)
No fatal opioid OD
N = 21,232 (96.2%)
Fatal opioid OD
N = 747 (3.4%)
Mean/% N Mean/% N Mean/% N Mean/% N Mean/%
Male sex 61.1% 17,759 59.2% 4320 68.7% 21,332 60.5% 747 76.9%
Age at OUD registration 39.3 (16.3) 17,759 40.8 (16.8) 4320 33.1 (12.3) 21,332 39.5 (16.4) 747 33.0 (11.2)
Year of birth 1972 (16.7) 17,759 1971 (17.2) 4320 1978 (12.8) 21,332 1972 (16.8) 747 1976 (11.7)
Country of birth
 Sweden 82.1% 14,445 81.3% 3688 85.4% 17,494 82.0% 639 85.5%
 Nordic countries 3.4% 629 3.5% 116 2.7% 716 3.4% 29 3.9%
 Europe 4.9% 904 5.1% 184 4.3% 1062 5.0% 26 3.5%
 Asia 6.9% 1320 7.4% 209 4.8% 1494 7.0% 35 4.7%
 Outside Europe/Asia 2.7% 461 2.6% 123 2.9% 566 2.7% 18 2.4%
Criminal conviction 56.6% 17,759 52.6% 4320 73.1% 21,332 55.8% 747 79.1%
Education (years) 10.8 (2.4) 17,061 10.9 (2.4) 4192 10.3 (2.0) 20,513 10.8 (2.4) 740 10.4 (1.9)
School grades −1.06 (1.1) 7789 − 1.0 (1.1) 2476 − 1.2 (1.1) 9828 −1.1 (1.1) 437 −1.16 (1.1)
IQ −0.66 (0.9) 4662 −0.62 (0.9) 1314 − 0.79 (0.8) 5675 − 0.65 (0.9) 301 −0.82 (0.8)
Resilience −0.80 (1.0) 4106 −0.77 (1.0) 1127 − 0.92 (1.0) 4965 −0.79 (1.0) 268 −1.01 (0.9)
Parental education (years) 10.7 (2.5) 14,469 10.6 (2.6) 3891 10.8 (2.4) 17,673 10.7 (2.5) 687 10.7 (2.4)
Social welfare 35.3% 17,397 31.3% 4246 51.5% 20,903 34.7% 740 52.2%
Income 0 (1) 17,397 0.04 (1.1) 4246 −0.15 (0.6) 20.903 0.01 (0.5) 740 −0.16 (0.4)
Neighborhood deprivation 0.81 (2.0) 17,081 0.78 (2.0) 4056 0.96 (2.2) 20,437 0.80 (2.0) 700 1.06 (2.1)
Married 35.4% 17,759 38.7% 4320 22.0% 21,332 35.9% 747 20.6%
1 ≤ children 50.6% 17,759 53.0% 4320 40.6% 21,332 51.1% 747 36.7%
Distance to mother (km) 88.2 (484) 11,428 76 (387) 3225 133 (729) 14,086 88 (482) 567 96 (508)
Distance to father (km) 118.9 (532) 9217 98.7 (444) 2676 156 (761) 11,418 111 (532) 475 115 (552)
Prior OUD/opioid OD 3.0% 17,759 2.4% 4320 5.8% 21,332 20.8 747 41.5%
Inpatient registration of OUD 29.1% 17,759 27.6% 4320 35.0% 21,332 28.8% 747 37.3%
Psychiatric disorder 60.3% 17,759 57.6% 4320 71.1% 21,332 60.1% 747 65.1%
  1. OD overdose, OUD opioid use disorder