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Järvholm, Bengt
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Publications (10 of 119) Show all publications
Pettersson, H., Olsson, D. & Järvholm, B. (2020). Occupational exposure to noise and cold environment and the risk of death due to myocardial infarction and stroke. International Archives of Occupational and Environmental Health
Open this publication in new window or tab >>Occupational exposure to noise and cold environment and the risk of death due to myocardial infarction and stroke
2020 (English)In: International Archives of Occupational and Environmental Health, ISSN 0340-0131, E-ISSN 1432-1246Article in journal (Refereed) Epub ahead of print
Abstract [en]

PURPOSE: The present study examined a possible association between occupational exposure to noise, working and living in cold conditions, and the risk of mortality in myocardial infarction and stroke.

METHODS: The present cohort study consists of 194,501 workers in the Swedish construction industry that participated in health examinations between 1971 and 1993. Noise exposure was defined on a job-exposure matrix based on a survey of the working conditions carried out during the mid 1970s. All workers were categorised into three main regions of Sweden, differing in temperature: Reference (Götaland), colder (Svealand), and coldest (Norrland). Relative risks (RR) were analysed by negative binomial regression adjusting for age, BMI, and smoking habits.

RESULTS: Moderate and high noise exposure was associated with increased risk of myocardial infarction (RR 1.10-1.13 with 95% CI over unit) and stroke mortality (RR 1.15 to 1.19 with 95% CI over unit). There was an increased risk for myocardial infarction (RR 1.10, 95% CI 1.01-1.20), but not for stroke mortality (RR 1.09, 95% CI 0.94-1.25) associated with living and working in the coldest region. There was an interaction on the risk of myocardial infarction mortality between different regions and noise exposure (p = 0.016), but not for stroke mortality (p = 0.88).

CONCLUSIONS: The study indicates an interaction between working at hazardous noise levels and living and working in cold conditions for increased mortality in myocardial infarction.

Place, publisher, year, edition, pages
Springer, 2020
Keywords
Cerebrovascular disease, Ischemic heart disease, Mortality, Prospective cohort study, Work environment
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:umu:diva-167217 (URN)10.1007/s00420-019-01513-5 (DOI)31915923 (PubMedID)
Funder
AFA Insurance, 150070
Available from: 2020-01-13 Created: 2020-01-13 Last updated: 2020-01-14
Robroek, S. J., Nieboer, D., Järvholm, B. & Burdorf, A. (2019). Educational differences in duration of working life and loss of paid employment: working life expectancy in The Netherlands. Scandinavian Journal of Work, Environment and Health, Article ID 3843.
Open this publication in new window or tab >>Educational differences in duration of working life and loss of paid employment: working life expectancy in The Netherlands
2019 (English)In: Scandinavian Journal of Work, Environment and Health, ISSN 0355-3140, E-ISSN 1795-990X, article id 3843Article in journal (Refereed) Epub ahead of print
Abstract [en]

Objectives: This study aims to provide insight into educational differences in duration of working life by working life expectancy (WLE) and working years lost (WYL) through disability benefits and other non-employment states in the Netherlands.

Methods: Monthly information on employment status of the Dutch population (N=4 999 947) between 16 and 66 years from 2001‒2015 was used to estimate working life courses and loss of working years for specific non-employment states. Across educational groups, bi-directional transitions between paid employment and non-employment states were calculated. Using a multistate model, the WLE and WYL at age 16, 30, 50 and up to 66 years as statutory retirement age were estimated for each educational group, stratified by gender.

Results: Low-educated men and women had a 7.3 (men) and 9.9 (women) years lower WLE at age 30 than high-educated men and women. Among low-educated men, 3.4 working years were lost due to disability benefit compared to 0.8 among high-educated men. Low-educated women lost 3.0 working years due to disability benefit compared to 1.4 among high-educated women.

Conclusions: There are large educational inequalities over the course of working life. Among low-educated workers, more working years are lost due to unemployment, no income, and especially disability benefits. The latter reflects large educational inequalities in health and working conditions. The metrics of WLE and WYL provide useful insights into the life-course perspective on working careers.

Place, publisher, year, edition, pages
Nordic Association of Occupational Safety and Health (NOROSH), 2019
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
urn:nbn:se:umu:diva-165290 (URN)10.5271/sjweh.3843 (DOI)31419303 (PubMedID)
Available from: 2019-11-19 Created: 2019-11-19 Last updated: 2019-12-06
Järvholm, B. & Mannelqvist, R. (2019). Ersättning vid arbetsskada (4ed.). In: Christer Edling, Gunnar Nordberg, Maria Albin, Monica Nordberg (Ed.), Arbets- och miljömedicin: en lärobok om hälsa och miljö (pp. 397-402). Lund: Studentlitteratur AB
Open this publication in new window or tab >>Ersättning vid arbetsskada
2019 (Swedish)In: Arbets- och miljömedicin: en lärobok om hälsa och miljö / [ed] Christer Edling, Gunnar Nordberg, Maria Albin, Monica Nordberg, Lund: Studentlitteratur AB, 2019, 4, p. 397-402Chapter in book (Other academic)
Place, publisher, year, edition, pages
Lund: Studentlitteratur AB, 2019 Edition: 4
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:umu:diva-163738 (URN)9789144127460 (ISBN)
Available from: 2019-10-03 Created: 2019-10-03 Last updated: 2019-11-05Bibliographically approved
Söderberg, M., Schiöler, L., Stattin, M., Burdorf, A. & Järvholm, B. (2019). Mortality in persons with disability pension due to common mental disorders: A cohort study of Swedish construction workers. Scandinavian Journal of Public Health
Open this publication in new window or tab >>Mortality in persons with disability pension due to common mental disorders: A cohort study of Swedish construction workers
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2019 (English)In: Scandinavian Journal of Public Health, ISSN 1403-4948, E-ISSN 1651-1905Article in journal (Refereed) Epub ahead of print
Abstract [en]

Aims: This study investigated mortality in disability pensions due to common mental disorder, and variation over time after first receiving disability pension. Methods: Objectives were explored in 301,863 construction workers (97.2% men) recruited through healthcare examinations from 1971-1993. By linking with the Swedish National Insurance Agency registers, disability pensions until 2014 were identified. Common mental disorder was defined as disability pension diagnosis due to anxiety, stress-related disorders or moderate depression. Mortality was calculated in all-psychiatric diagnosis and diagnostic sub-groups, and compared to persons without disability pensions, using Poisson regression. Additional analyses were stratified by age at follow-up. Results: In total 6030 subjects received disability pensions based on psychiatric diagnoses, and 2624 constituted common mental disorder. Analyses in an all-psychiatric diagnosis displayed increased mortality risks in men (relative risk 3.6; 95% confidence interval 3.3-3.9) and women (relative risk 2.1; 95% confidence interval 1.6-2.6). Common mental disorder was associated with mortality, especially in men (relative risk 2.5; 95% confidence interval 2.2-2.8). Increased relative risks in alcohol and substance abuse were also observed. Results in analyses stratified by age at follow-up displayed persistent high relative risks for mortality in older ages (75-89 years) in men in all-psychiatric disability pensions diagnosis (relative risk 2.8; 95% confidence interval 2.1-3.7) and common mental disorder diagnosis (relative risk 2.6; 95% confidence interval 1.8-3.6), compared to men without disability pensions. Similar results were found in women, but few cases lowered the precision of estimates. Conclusions: This study shows that disability pension based on common mental disorders, often regarded as a 'lighter' psychiatric diagnosis, is a risk for early mortality in construction workers, even several years after first receiving disability pension.

Place, publisher, year, edition, pages
Sage Publications, 2019
Keywords
Disability pension, common mental disorders, construction workers, mortality
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
urn:nbn:se:umu:diva-166527 (URN)10.1177/1403494819884440 (DOI)31820671 (PubMedID)
Note

2019-12-20: Epub ahead of print. Granskad. /CSa

Available from: 2019-12-17 Created: 2019-12-17 Last updated: 2019-12-20
Jackson, J. A., Olsson, D., Burdorf, A., Punnett, L., Järvholm, B. & Wahlström, J. (2019). Occupational biomechanical risk factors for radial nerve entrapment in a 13-year prospective study among male construction workers. Occupational and Environmental Medicine, 76(5), 326-331
Open this publication in new window or tab >>Occupational biomechanical risk factors for radial nerve entrapment in a 13-year prospective study among male construction workers
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2019 (English)In: Occupational and Environmental Medicine, ISSN 1351-0711, E-ISSN 1470-7926, Vol. 76, no 5, p. 326-331Article in journal (Refereed) Published
Abstract [en]

OBJECTIVES: The aim was to assess the association between occupational biomechanical exposure and the occurrence of radial nerve entrapment (RNE) in construction workers over a 13-year follow-up period.

METHODS: A cohort of 229 707 male construction workers who participated in a national occupational health surveillance programme (1971-1993) was examined prospectively (2001-2013) for RNE. Height, weight, age, smoking status and job title (construction trade) were obtained on health examination. RNE case status was defined by surgical release of RNE, with data from the Swedish national registry for out-patient surgery records. A job exposure matrix was developed, and biomechanical exposure estimates were assigned according to job title. Highly correlated exposures were summed into biomechanical exposure scores. Negative binomial models were used to estimate the relative risks (RR) (incidence rate ratios) of RNE surgical release for the biomechanical factors and exposure sum scores. Predicted incidence was assessed for each exposure score modelled as a continuous variable to assess exposure-response relationships.

RESULTS: The total incidence rate of surgically treated RNE over the 13-year observation period was 3.53 cases per 100 000 person-years. There were 92 cases with occupational information. Increased risk for RNE was seen in workers with elevated hand-grip forces (RR=1.79, 95% CI 0.97 to 3.28) and exposure to hand-arm vibration (RR=1.47, 95% CI 1.08 to 2.00).

CONCLUSIONS: Occupational exposure to forceful handgrip work and vibration increased the risk for surgical treatment of RNE.

Place, publisher, year, edition, pages
BMJ Publishing Group Ltd, 2019
Keywords
elbow flexion/extension, hand tools, hand-arm vibration, job exposure matrix, nerve entrapment, neuropathy, repetitive, static work, upper extremity load
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:umu:diva-157109 (URN)10.1136/oemed-2018-105311 (DOI)30850390 (PubMedID)
Funder
Forte, Swedish Research Council for Health, Working Life and Welfare
Available from: 2019-03-11 Created: 2019-03-11 Last updated: 2019-07-11Bibliographically approved
Jackson, J. A., Olsson, D., Punnett, L., Burdorf, A., Järvholm, B. & Wahlström, J. (2019). Occupational biomechanical risk factors for surgically treated ulnar nerve entrapment in a prospective study of male construction workers. Scandinavian Journal of Work, Environment and Health, 45(1), 63-72
Open this publication in new window or tab >>Occupational biomechanical risk factors for surgically treated ulnar nerve entrapment in a prospective study of male construction workers
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2019 (English)In: Scandinavian Journal of Work, Environment and Health, ISSN 0355-3140, E-ISSN 1795-990X, Vol. 45, no 1, p. 63-72Article in journal (Refereed) Published
Abstract [en]

Objectives: The aim of this study was to determine the association between occupational biomechanical exposures and occurrence of surgically treated ulnar nerve entrapment (UNE).

Methods: A cohort of 229 689 male construction workers who participated in a national occupational health surveillance program (1971–1993) were examined prospectively over a 13-year case ascertainment period (2001–2013) for surgically treated UNE. Job title (construction trade), smoking status, height, weight and age were recorded on examination. Job titles were merged into occupational groups of workers performing similar work tasks and having similar training. Occupational biomechanical exposure estimates were assigned to each occupational group with a job exposure matrix (JEM) developed for the study. Negative binomial models were used to assess the relative risks for each biomechanical exposure and the sums of highly correlated biomechanical exposures. Surgical treatment of UNE was determined via a linkage with the Swedish Hospital Outpatient Surgery Register.

Results: There were 555 cases of surgically treated UNE within the cohort. Workers exposed to forceful hand-grip factors had a 1.4-fold higher relative risk (95% CI 1.18–1.63) of undergoing surgical treatment for UNE compared to unexposed workers. Occupational groups comprising workers exposed to forceful hand-grip work showed the highest risks for UNE and included concrete workers, floor layers, ground preparatory workers, rock blasters, and sheet-metal workers.

Conclusion: Forceful hand-grip work increases the risk for surgically treated ulnar nerve entrapment.

Place, publisher, year, edition, pages
Nordic Association of Occupational Safety and Health (NOROSH), 2019
Keywords
biomechanical, biomechanical risk factor, construction worker, cubital tunnel syndrome, elbow, elbow extension, grip force, hand tool, hand-arm vibration, HAV, JEM, job-exposure matrix, male construction worker, neuropathy, occupational biomechanical risk factor, prospective study, repetitive, risk factor, static work, ulnar nerve entrapment, upper-arm load
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:umu:diva-152108 (URN)10.5271/sjweh.3757 (DOI)000466176700007 ()30132781 (PubMedID)
Funder
Forte, Swedish Research Council for Health, Working Life and Welfare, 2016-01016
Available from: 2018-09-27 Created: 2018-09-27 Last updated: 2019-05-17Bibliographically approved
Sundström, J., Söderholm, M., Söderberg, S., Alfredsson, L., Andersson, M., Bellocco, R., . . . Wiberg, B. (2019). Risk factors for subarachnoid haemorrhage: a nationwide cohort of 950 000 adults. International Journal of Epidemiology, Article ID dyz163.
Open this publication in new window or tab >>Risk factors for subarachnoid haemorrhage: a nationwide cohort of 950 000 adults
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2019 (English)In: International Journal of Epidemiology, ISSN 0300-5771, E-ISSN 1464-3685, article id dyz163Article in journal (Refereed) Epub ahead of print
Abstract [en]

BACKGROUND: Subarachnoid haemorrhage (SAH) is a devastating disease, with high mortality rate and substantial disability among survivors. Its causes are poorly understood. We aimed to investigate risk factors for SAH using a novel nationwide cohort consortium.

METHODS: We obtained individual participant data of 949 683 persons (330 334 women) between 25 and 90 years old, with no history of SAH at baseline, from 21 population-based cohorts. Outcomes were obtained from the Swedish Patient and Causes of Death Registries.

RESULTS: During 13 704 959 person-years of follow-up, 2659 cases of first-ever fatal or non-fatal SAH occurred, with an age-standardized incidence rate of 9.0 [95% confidence interval (CI) (7.4-10.6)/100 000 person-years] in men and 13.8 [(11.4-16.2)/100 000 person-years] in women. The incidence rate increased exponentially with higher age. In multivariable-adjusted Poisson models, marked sex interactions for current smoking and body mass index (BMI) were observed. Current smoking conferred a rate ratio (RR) of 2.24 (95% CI 1.95-2.57) in women and 1.62 (1.47-1.79) in men. One standard deviation higher BMI was associated with an RR of 0.86 (0.81-0.92) in women and 1.02 (0.96-1.08) in men. Higher blood pressure and lower education level were also associated with higher risk of SAH.

CONCLUSIONS: The risk of SAH is 45% higher in women than in men, with substantial sex differences in risk factor strengths. In particular, a markedly stronger adverse effect of smoking in women may motivate targeted public health initiatives.

Keywords
Stroke, cohort study, epidemiology
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
urn:nbn:se:umu:diva-162427 (URN)10.1093/ije/dyz163 (DOI)31363756 (PubMedID)
Note

2019-08-22: Epub ahead of print. Granskad. /LiL

Available from: 2019-08-20 Created: 2019-08-20 Last updated: 2019-08-22Bibliographically approved
Jonsson, E., Järvholm, B. & Andersson, M. (2019). Silica dust and sarcoidosis in Swedish construction workers. Occupational Medicine, 69(7), 482-486
Open this publication in new window or tab >>Silica dust and sarcoidosis in Swedish construction workers
2019 (English)In: Occupational Medicine, ISSN 0962-7480, E-ISSN 1471-8405, Vol. 69, no 7, p. 482-486Article in journal (Refereed) Published
Abstract [en]

Background: The aetiology of sarcoidosis is not well established. In previous studies, smoking has been negatively associated with sarcoidosis and there are some indications of an association between exposure to silica dust and sarcoidosis.

Aims: To study the risk of sarcoidosis in relation to silica dust exposure.

Methods: A longitudinal cohort of construction workers linked with a registry of Swedish inpatient diagnoses. Workers were designated as exposed or unexposed to silica based on job titles in a job–exposure matrix. The relative risk (RR) was analysed with Poisson regression adjusting for age and smoking.

Results: We identified 371 cases of sarcoidosis among 297 917 male workers. There was an increased risk of sarcoidosis in the medium- to high-exposure group [RR 1.83 (95% confidence interval {CI} 1.14–2.95)]. A stratified analysis according to smoking showed that ever-smoking workers had an increased risk of sarcoidosis if highly exposed to silica dust [RR 2.44 (95% CI 1.37–4.33)] compared to non-exposed ever-smokers. The risk of non-smokers highly exposed to silica was not significantly increased [RR 1.07 (95% CI 0.72–1.58)] compared to non-exposed non-smokers.

Conclusion: The study indicates an increased risk of developing sarcoidosis in ever-smoking men exposed to silica.

Place, publisher, year, edition, pages
Oxford University Press, 2019
Keywords
Occupation, occupational health, sarcoidosis, silica, smoking
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:umu:diva-163976 (URN)10.1093/occmed/kqz118 (DOI)31504840 (PubMedID)2-s2.0-85076331675 (Scopus ID)
Available from: 2019-10-10 Created: 2019-10-10 Last updated: 2020-01-10Bibliographically approved
Torén, K., Andersson, M., Olin, A.-C., Blanc, P. D. & Järvholm, B. (2018). Airflow limitation classified with the fixed ratio or the lower limit of normal and cause-specific mortality: a prospective study. Respiratory Medicine, 144, 36-41
Open this publication in new window or tab >>Airflow limitation classified with the fixed ratio or the lower limit of normal and cause-specific mortality: a prospective study
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2018 (English)In: Respiratory Medicine, ISSN 0954-6111, E-ISSN 1532-3064, Vol. 144, p. 36-41Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: There is controversy as to whether airflow limitation should be defined as forced expiratory volume in 1 s (FEV1)/vital capacity (VC) < 0.7 or as FEV1/VC< the lower limit of normal (LLN). The aim was to examine whether different definitions of airflow limitation differ in predicting mortality.

METHODS: Longitudinal prospective study of a national cohort of Swedish workers (199,408 men; 7988 women), aged 20-64 years with spirometry without bronchodilation at baseline followed from 1979 until death, or censorship at 2010. Airflow limitation (AL) by Global Obstructive Lung Disease criteria, ALGOLD, was defined as FEV1/VC < 0.7; ALLLN as FEV1/VC < LLN. All all-cause, COPD and cardiovascular disease mortality was analyzed among men and women in relation to ALGOLD and ALLLN, adjusted for age and smoking.

RESULTS: Among men, all-cause mortality risks were similar by airflow limitation criteria: ALGOLD RR = 1.32, 95% CI 1.26-1.38; ALLLN, RR = 1.37, 95% CI 1.31-1.44. The risk estimates were also similar by airflow limitation definition for cardiovascular mortality and for COPD mortality. Among women, all-cause mortality was also similar by airflow limitation criteria, but significantly higher as compared to men: ALGOLD RR = 2.10, 95% CI 1.66-2.66; ALLLN, RR = 2.09, 95% CI 1.66-2.62. Also cardiovascular and COPD mortality by airflow limitation criteria was significantly higher among women as compared to men.

CONCLUSIONS: Defined either as FEV1/VC < 0.7 or as FEV1/VC < LLN, airflow limitation predicted excess mortality risk of similar magnitude. Mortality in relation to airflow limitation was higher among women compared to men.

Place, publisher, year, edition, pages
Elsevier, 2018
Keywords
COPD, Epidemiology, GOLD, Never smokers, Spirometry, Women
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:umu:diva-153027 (URN)10.1016/j.rmed.2018.10.001 (DOI)000448159000006 ()30366582 (PubMedID)
Available from: 2018-11-02 Created: 2018-11-02 Last updated: 2018-12-07Bibliographically approved
Jackson, J. A., Olsson, D., Punnett, L., Burdorf, A., Järvholm, B. & Wahlström, J. (2018). Biomechanical risk factors for surgically treated ulnar nerve entrapment in a cohort of Swedish male construction workers.. In: : . Paper presented at 20th Congress International Ergonomics Association, Florence, August 26-30 , 2018.
Open this publication in new window or tab >>Biomechanical risk factors for surgically treated ulnar nerve entrapment in a cohort of Swedish male construction workers.
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2018 (English)Conference paper, Oral presentation with published abstract (Refereed)
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:umu:diva-152127 (URN)
Conference
20th Congress International Ergonomics Association, Florence, August 26-30 , 2018
Funder
Forte, Swedish Research Council for Health, Working Life and Welfare, 2016-01016
Available from: 2018-09-27 Created: 2018-09-27 Last updated: 2018-09-27
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