Mortality rates among immigrant patients undergoing rehabilitation for musculoskeletal backache are unknown.
OBJECTIVE:
To study the association between marital status, severe psychosocial strain, receiving long-term time-limited sickness allowance (TLSA) and all-cause mortality (ACM) in a cohort of immigrants aged 20–45 years with long-standing backache in Sweden.
METHODS:
We studied 318 patients (92% foreign-born, 76% non-European) of known marital status on sick-leave for musculoskeletal backache. They were followed up for ACM until 2015. Socio-demographic data, TLSA and psychosocial strain, including major depression, severe psychosocial stressors and pessimistic thoughts, were analysed using multiple-imputation Cox regression.
RESULTS:
Over a mean (standard deviation) follow-up time of 15 (5.0) years, 11 (3.5%) participants died. At baseline, 34% were unmarried, 19% were receiving TLSA, and 71% had 1 psychosocial strain component (38% depression; 47% severe stressors; 35% pessimistic thoughts). After concomitant risk factors were adjusted for, being unmarried and receiving TLSA were associated with higher mortality by factors of 6.2 ( 0.005) and 5.8 ( 0.006), respectively. Psychosocial strain was only significantly associated with higher mortality in the unadjusted analyses.
CONCLUSIONS:
Being unmarried and receiving TLSA were associated with significantly higher ACM in this highly marginalized group of immigrant patients.
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