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Noise sensitivity and disability retirement: a longitudinal twin study
Marja Heinonen-Guzejev1, Markku Koskenvuo, Karri Silventoinen
1Department of Public Health, Hjelt Institute, University of Helsinki, Finland. marja.heinonen@helsinki.fi
Objective:
To analyze whether noise sensitivity increases the risk of disability pension (DP).
Methods:
Questionnaire data of a sample of 706 Finnish twin individuals (age range, 31 to 65 years) with record linkage to information on DP during 16 years of follow-up were analyzed using individual and pairwise Cox proportional hazards models.
Results:
Noise sensitivity increased the risk of DP (hazard ratio = 1.41; 95% confidence interval [CI]: 1.03 to 1.93) and DP due to musculoskeletal disorders (hazard ratio = 1.63; 95% CI: 1.00 to 2.66). In within-pair analyses, noise sensitivity increased the risk of DP: among all twin pairs, odds ratio was 1.80 (95% CI: 1.08 to 3.06).
Conclusions:
Noise sensitivity may be a potential risk factor for disability retirement. It is associated with DP independently of familial background and genetic factors.
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