| 1. |
- Ropponen, A, et al.
(författare)
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Association between hand grip/body weight ratio and disability pension due to musculoskeletal disorders: a population-based cohort study of 1 million Swedish men
- 2011
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Ingår i: Scandinavian journal of public health. - : SAGE Publications. - 1651-1905 .- 1403-4948. ; 39:8, s. 830-838
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Tidskriftsartikel (refereegranskat)abstract
- Aims: To investigate the predictive value of hand grip/body weight ratio and hand grip strength in early adulthood for obtaining a disability pension (DP) due to musculoskeletal disorders in later life. Methods: A nationwide population-based sample of men born 1951–76 ( n = 1,387,166) in Sweden and anthropometric and strength indicators from their conscription examination. Register data on the date and diagnoses of granted DP between the years 1971–2006. Cox proportional hazards regression was used to estimate hazard ratios (HR) with 95% confidence intervals (95% CI). Results: The lowest quintile of hand grip/body weight ratio predicted a greatly increased risk (HR 2.51, 95% CI 2.40–2.63) for DP due to musculoskeletal disorders compared to the mid-quintile. The highest quintile of hand grip/body weight ratio predicted a decreased risk (HR 0.80, 95% CI 0.75–0.84). Stratification of the hand grip/body weight ratio with body mass index confirmed the results. However, the highest quintiles of hand grip strength adjusted for height and weight predicted a somewhat increased risk for DP due to musculoskeletal disorders (HR 1.25, 95% CI 1.18–1.32). Conclusions: This study indicates that the hand grip/body weight ratio in young adulthood is strongly and inversely associated with men's risk of obtaining a disability pension due to musculoskeletal disorders in later life. However, the risk seems to be mediated through the body weight. The properties of hand grip/body weight ratio should be further evaluated before it can be recommended for use in clinical and epidemiological studies.
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| 2. |
- Ropponen, A, et al.
(författare)
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Health-related risk factors for disability pensions due to musculoskeletal diagnoses: a 30-year Finnish twin cohort study
- 2011
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Ingår i: Scandinavian journal of public health. - : SAGE Publications. - 1651-1905 .- 1403-4948. ; 39:8, s. 839-848
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Tidskriftsartikel (refereegranskat)abstract
- Aims: There is a need to better understand work incapacity due to musculoskeletal disorders (MSD) and the factors that contribute to being granted disability pension (DP) with such disorders. A twin cohort study would serve a powerful tool responding to this knowledge gap by providing information on factors affecting DP when controlling for family background. The purpose was to investigate the incidence of and risk factors for DP due to any MSD ( n = 1,819) and specifically due to osteoarthritis (OA, n = 677) in a twin cohort of 24,043 people over a 30-year follow-up. Methods: Data on twin pairs from a mailed questionnaire during the baseline year of 1975 were followed up with register data regarding DP, emigration, old-age pension, and death. For statistical analysis, univariate and multivariate Cox proportional hazard ratios were estimated. Results: Baseline musculoskeletal pain, frequency of use of analgesics, body mass index, and chronic diseases, as well as education and social class were significant risk factors for DP due to MSD at follow-up in both sexes. These factors were also the significant predictors of DP due to OA in men. In women, DP due to OA was best predicted by baseline musculoskeletal pain and lower social class. Conclusions: The risk of DP due to MSD and OA seemed to be influenced by comorbidities, educational level and social class. Analyses of twin pairs discordant for DP confirmed the results. Accumulated health problems and chronic conditions during the life course may lead to permanent work incapacity.
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| 3. |
- Ropponen, A, et al.
(författare)
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Physical work load and psychological stress of daily activities as predictors of disability pension due to musculoskeletal disorders
- 2014
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Ingår i: Scandinavian journal of public health. - : SAGE Publications. - 1651-1905 .- 1403-4948. ; 42:4, s. 370-376
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Tidskriftsartikel (refereegranskat)abstract
- Aims: Physical work loading and psychological stress commonly co-occur in working life, hence potentially having an interrelationship that may affect work incapacity. This prospective cohort study aimed to investigate the effect of stability and change in physical work loading and stress on the risk of disability pension (DP) due to musculoskeletal diagnoses (MSD), while accounting for familial confounding in these associations. Methods: Data on 12,455 twins born before 1958 were surveyed of their physical work loading and psychological stress of daily activities in 1975 and 1981. The follow-up data was collected from pension registers until 2004. Cox proportional hazards regression models were used. Results: During the follow up, 893 participants were granted DP due to MSD. Stable high (hazard ratio, HR, 2.21), but also increased physical work loading (HR 2.05) and high psychological stress (HR 2.22) were associated with increased risk for DP, and had significant interaction ( p=0.032). The associations were confirmed when accounting for several confounding factors. Conclusions:Stable high but also increased physical work loading and psychological stress of daily activities between two timepoints with 6 years apart confirms their predictive role for an increased risk of DP. Both physical work loading and psychological stress seem to be independent from various confounding factors hence suggesting direct effect on risk for DP providing potential for occupational health care to early identification of persons at risk.
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| 4. |
- Ropponen, A, et al.
(författare)
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Stability and change of body mass index as a predictor of disability pension
- 2016
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Ingår i: Scandinavian journal of public health. - : SAGE Publications. - 1651-1905 .- 1403-4948. ; 44:4, s. 369-376
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Tidskriftsartikel (refereegranskat)abstract
- Aims: To investigate whether stability or change in body mass index (BMI) predict disability pension (DP) due to musculoskeletal diagnosis (MSD) when controlling for familial confounding. Methods: Our study cohort consisted of 17,169 Finnish twins born before 1958. Data on BMI and multiple covariates from questionnaires in 1975 and 1981 were included and DPs were collected from the national pension registers until the end of 2004. Cox proportional hazards regression models with Hazard Ratios (HR) and 95% Confidence Intervals (CI) were used for statistical analyses. Results: General DP was granted to 2853 individuals and DP due to MSD to 1143 individuals during the 23-year follow-up. A one-unit increase in BMI in both 1975 (HR 1.08, 95% CI 1.05, 1.10) and 1981 (HR 1.06, 95% CI 1.04, 1.07), as well as the stability of and change in BMI from 1975 to 1981 were all associated with an increased risk of DP. These associations held in the analyses controlling for multiple covariates (age, sex, socioeconomic status, education, marital status, leisure-time physical activity, and musculoskeletal pain), and mainly also familial confounding, that is, genetics and shared environment. HR for stable obesity was 2.28 (95% CI 1.69, 3.08) for DP due to MSD, and 1.91 (95% CI 1.56, 2.34) for general DP in the fully adjusted models. Conclusions: BMI is an early predictor of general DP and also of DP due to MSD. Owing to the independency of various covariates and potentially also familial confounding, BMI may possibly have a direct effect on the risk of DP.
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