Löfvander M, Rosenblad A. Mortality among immigrant patients 20-45 years of age with chronic back pain in primary care in Sweden: A 15-year follow-up cohort study.
J Back Musculoskelet Rehabil 2021;
33:801-809. [PMID:
31903979 DOI:
10.3233/bmr-181273]
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Abstract
BACKGROUND
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 (p= 0.005) and 5.8 (p= 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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