Occupational exposure to whole body vibrations and birth outcomes – A nationwide cohort study of Swedish women

Skröder, Helena; Pettersson, Hans; Norlén, Filip; Gustavsson, Per; Rylander, Lars; Albin, María; Selander, Jenny

doi:10.1016/j.scitotenv.2020.141476

Cited by 13 publications

(16 citation statements)

References 21 publications

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“…Of the included studies, twenty-one studies were prospective [ 30 – 32 , 35 – 39 , 41 , 43 – 49 , 51 – 53 , 55 , 63 ], nine studies were case control [ 33 , 34 , 40 , 42 , 50 , 54 , 58 , 59 , 65 ], three studies were retrospective [ 56 , 57 , 66 ], and four cross-sectional studies [ 60 – 62 , 64 ]. In 21 cohort investigations [ 30 – 32 , 35 – 39 , 41 , 43 – 49 , 51 – 53 , 55 , 63 ] exposure was ascertained prospectively during pregnancy, whereas for 16 studies [ 33 , 34 , 40 , 42 , 50 , 54 , 56 – 62 , 64 – 66 ] (nine case-control, three retrospective cohort, and four cross-sectional studies), information about exposure was elicited after the relevant birth outcome had occurred.…”

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

“…The data on exposure were collected mostly through self-report (by telephone or interview and mail), but in some studies job title was used as surrogate index of exposure [ 31 , 38 , 43 , 45 , 48 , 54 ]. Of the included studies, 19 examined a single exposure [ 31 , 32 , 34 , 35 , 37 , 38 , 41 , 43 , 45 , 47 , 48 , 50 , 53 , 56 , 57 , 63 – 66 ], six examined two exposures [ 36 , 51 , 54 , 59 , 60 , 62 ], five examined three exposures [ 39 , 40 , 46 , 55 , 61 ], six examined four exposures [ 31 , 33 , 42 , 44 , 49 , 52 ], and one examined five exposures [ 58 ]. Eight studies also reported the time of exposure as being during the 1 st trimester, three studies at 2 nd trimester, one study at 3 rd trimester, five studies at all trimester, one study both at 2 nd and 3 rd trimester and the remaining 20 studies did not state the exposure timing by trimester.…”

Section: Resultsmentioning

confidence: 99%

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Maternal Occupational Risk Factors and Preterm Birth: A Systematic Review and Meta-Analysis

Adane,

Iles,

Boyle

et al. 2023

Public Health Rev

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Objective: This systematic review and meta-analysis aimed to summarize the evidence on the relationship between physical occupational risks (high physical workload, long working hours, shift work, whole-body vibrations, prolonged standing, and heavy lifting) and preterm birth.Methods: A systematic review and meta-analysis was conducted across six databases to investigate the relationship between physical occupational risks and preterm birth.Result: A comprehensive analysis of 37 studies with varying sample sizes found moderate evidence of positive associations between high physical workload, long working hours, shift work, whole-body vibration, and preterm birth. Meta-analysis showed a 44% higher risk (OR 1.44, 95% CI 1.25–1.66) for preterm birth with long working hours and a 63% higher risk (OR 1.63, 95% CI 1.03–2.58) with shift work.Conclusion: Pregnant women in physically demanding jobs, those working long hours or on shifts, and those exposed to whole-body vibration have an increased risk of preterm birth. Employers should establish supportive workplaces, policymakers implement protective measures, healthcare providers conduct screenings, and pregnant women must stay informed and mitigate these job-related risks.Systematic Review Registration: [https://www.crd.york.ac.uk/prospero/], Identifier [CRD42022357045].

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Maternal Occupational Risk Factors and Preterm Birth: A Systematic Review and Meta-Analysis

Adane,

Iles,

Boyle

et al. 2023

Public Health Rev

View full text Add to dashboard Cite

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“…Vibration was included as a risk factor by McDonald and colleagues 3 in their study of fetal loss and found to relate particularly to an increase in late abortions and stillbirths. Whole‐body vibration, assigned by a job exposure matrix, has recently been reported, from Sweden, to relate to preterm birth but not low birthweight, 11 with similar findings, using self‐report of vibration exposure, in Nigeria 12 and Canada 13 . The observed protective effects of consistent mechanical ventilation for those in the electrical trades and of local exhaust ventilation in welders, flags up the need for wider implementation, but we cannot rule out the possibility that these may be markers for a particular type of task or employer (e.g., one willing to invest in the safety of the worker) rather than necessarily a direct effect of a reduced concentration of airborne contaminants toxic to the fetus.…”

Section: Discussionmentioning

confidence: 99%

Ergonomic demands and fetal loss in women in welding and electrical trades: A Canadian cohort study

Cherry

Beach

Galarneau

2022

American J Industrial Med

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Objectives To determine the relationship between ergonomic demands of the job at conception and fetal loss (miscarriage or stillbirth). Methods Women with a welding or electrical trade apprenticeship were identified across Canada for the Women's Health in Apprenticeship Trades–Metal and Electrical study. They completed a reproductive and employment history at recruitment and every 6 months for up to 5 years to provide details on pregnancies and work demands. Job at conception was identified and fetal loss examined in relation to ergonomic exposures/demands, allowing for potential confounders. Results A total of 885 women were recruited; 447 in welding and 438 in electrical trades. Of these, 574 reported at least one pregnancy. Analysis of 756 pregnancies since the woman started in her trade suggested no increased risk of fetal loss in those choosing welding rather than electrical work. Among 506 pregnancies conceived during a period working in a trade, 148 (29.2%) ended in fetal loss: 31.2% (73/234) in welding, and 27.6% (75/272) in electrical work. Detailed exposure information was available for 59% (299/506) of these pregnancies. In welders, the risk of fetal loss was increased with whole‐body vibration (prevalence ratio [PR] = 2.14; 95% confidence interval [CI] 1.39–3.31) and hand‐arm vibration for > 1 hour/day (PR = 2.15; 95% CI 1.33–3.49). In electrical workers risk increased with more than 8 days working without a rest day (PR = 2.29; 95% CI 1.25–4.17). Local exhaust ventilation reduced risk in welders. Conclusions There was no significant increase in fetal loss in welding trades compared to electrical work. Vibration, largely from grinding, and extended work rotations appear to be potentially modifiable factors of some importance.

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“…Studies are needed regarding how long after disembarking the seamen sustain accidents. In addition, it would be interesting to make a special study regarding health of female seamen, in view of their greater susceptibility to seasickness [3] and the possible impact of vibration and environmental motion on premature births [49]. The working environment abroad a ship at sea is unique.…”

Section: Plos Onementioning

confidence: 99%

Seasickness among Icelandic seamen

2022

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Introduction The working environment abroad a ship is unique, with constant stimuli such as rolling of the vessel, noise, and vibration. Fishing industry is important for Icelandic economy, still the effect of seasickness-related symptoms on seamen´s health is not fully understood. Thus, the objective of this study is to explore the impact of seasickness-related symptoms, i.e., seasickness, seasickness symptoms and mal de débarquement on seaman´s health, and how their working environment may affect those factors. Methods Cross-sectional data was collected from 262 seamen answering questionnaire. Majority of the seamen participated while attending a compulsory course held by the Maritime Safety and Survival Training Centre. The majority of participants were men. A chi-square test was used to detect the difference between variables. Results The majority of seamen had experienced seasickness (87.8%) or mal de débarquement (85.8%). Having a history of tension headache (38.1%) and tinnitus (37.9%) was quite common. A total of 30.6% of the participants had been admitted to hospital once or more due to mishaps or accidents on land. Discussion Seasickness and seasickness symptoms together with mal de débarquement are common in Icelandic seamen. Working conditions at sea are demanding and seam to affect the seamen´s health both at sea and ashore, making further research needed.

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Occupational exposure to whole body vibrations and birth outcomes – A nationwide cohort study of Swedish women

Cited by 13 publications

References 21 publications

Maternal Occupational Risk Factors and Preterm Birth: A Systematic Review and Meta-Analysis

Maternal Occupational Risk Factors and Preterm Birth: A Systematic Review and Meta-Analysis

Ergonomic demands and fetal loss in women in welding and electrical trades: A Canadian cohort study

Seasickness among Icelandic seamen

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