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- Ahlborg, Gunnar, 1948
(författare)
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Occupational and environmental medicine in Sweden
- 2000
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Ingår i: International Archives of Occupational and Environmental Health. - 0340-0131. ; 73:1, s. 1-6
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Tidskriftsartikel (refereegranskat)abstract
- Great changes have taken place in the fields of occupational and environmental medicine in Sweden during the past decade. Unemployment, work stress, and indoor climate problems have become increasingly common. Chemical exposures in industry and serious work accidents have continued to decrease. State subsidies to occupational health services have been withdrawn and the legislation concerning, for example, occupational diseases has been changed in order to decrease state expenditure. Research has focused on, for instance, ergonomic and psycho-social factors, electromagnetic fields and exposures causing allergy. There is a growing awareness of the need for more emphasis on prevention, which should act in favour of both hospital-based occupational and environmental medicine and the occupational health services sector.
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- Ahlborg, Gunnar, 1948
(författare)
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Physical work load and pregnancy outcome
- 1995
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Ingår i: Journal of Occupational and Environmental Medicine. - 1076-2752. ; 37:8, s. 941-4
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Forskningsöversikt (refereegranskat)abstract
- Pronounced physical exertion may influence intraabdominal pressure and uterine blood flow, hormonal balance, and nutritional status, all of which are important determinants of embryonic and fetal development and survival. Most of the epidemiologic evidence of reproductive effects from occupational physical activity concerns gestational age/premature birth, birth weight/intrauterine growth retardation, and spontaneous abortion. Strenuous work, especially when involving long hours of standing and walking, seems to increase the risk of preterm delivery. The effect on intrauterine growth and spontaneous abortion risk is less clear. As a single factor, heavy lifting has in most circumstances not been associated with a significantly increased risk of these outcomes. In general, heavy work duties should be avoided, and enough rest periods assured, especially in late pregnancy.
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- Ahlborg, Gunnar, 1948, et al.
(författare)
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Reproductive effects of chemical exposures in health professions
- 1995
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Ingår i: Journal of Occupational and Environmental Medicine. - 1076-2752. ; 37:8, s. 957-61
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Forskningsöversikt (refereegranskat)abstract
- Numerous chemical substances are handled by persons working in the health care sector. At exposure levels that may occur in the occupational setting, some of these substances are potentially harmful to the reproductive processes. Among the potentially harmful substances are anesthetic gases, antineoplastic agents, and sterilants. The epidemiological evidence of increased risks for adverse reproductive effects (eg, subfertility, spontaneous abortions, congenital defects) from such exposure is not unequivocal. However, due to the toxic potential, exposures should be kept at a minimum, and this may be especially important for workers who are pregnant or are planning to achieve pregnancy.
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- Ahlborg, Gunnar, 1948, et al.
(författare)
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Shift work, nitrous oxide exposure and subfertility among Swedish midwives
- 1996
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Ingår i: International Journal of Epidemiology. - 0300-5771. ; 25:4, s. 783-90
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Shift work and nitrous oxide exposure have both been suspected of having adverse influence on the reproductive performance of health workers. Time to pregnancy has been suggested as a sensitive measure of fecundity in occupationally exposed groups. We investigated the effects of shift work and nitrous oxide exposure on the fertility of Swedish midwives. METHODS: A questionnaire was mailed to all members of the Swedish Midwives Association who were born 1940 or thereafter, 3985 in all. Eighty-four per cent responded. Detailed information on the number of menstrual cycles required to achieve pregnancy and the working conditions during that period were obtained concerning the most recent, planned pregnancy occurring after 1983. The per cycle probability of becoming pregnant was calculated for each exposure category, and the relation to the unexposed was expressed as fecundability ratios. RESULTS: Midwives who worked two-shift, three-shift rotas, or only nights had reduced fertility compared to those working in the day time. The fecundability ratios were 0.78 (95% confidence interval [CI]: 0.65-0.94), 0.77 (95% CI: 0.60-0.98), and 0.82 (95% CI: 0.64-1.03), respectively, after adjustment for covariates. No effect of nitrous oxide exposure was noted except in the small group reporting that they assisted at more than 30 deliveries per month when nitrous oxide was used (fecundability ratio = 0.64; 95% CI: 0.44-0.95). CONCLUSION: Shift work and frequent, high occupational exposure to nitrous oxide may have a negative influence on the ability of women to become pregnant.
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- Ahlborg, Gunnar, 1948, et al.
(författare)
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Tobacco smoke exposure and pregnancy outcome among working women. A prospective study at prenatal care centers in Orebro County, Sweden
- 1991
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Ingår i: Am J Epidemiol. - 0002-9262. ; 133:4, s. 338-47
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Tidskriftsartikel (refereegranskat)abstract
- Among 4,687 women undergoing prenatal care in Orebro County, Sweden, from October 1980 to June 1983, 678 nonsmokers reported passive exposure to tobacco smoke. Of these women, 267 had been passively exposed at work, and the risk ratio (RR) for intrauterine death (spontaneous abortion or stillbirth) among these pregnancies was increased to 1.53 (95% confidence interval (CI) 0.98-2.38) compared with pregnancies of unexposed working women. This could not be explained by age, previous spontaneous abortion, educational level, planning of pregnancy, or alcohol use. The effect was confined to first-trimester fetal loss (adjusted RR = 2.16, 95% CI 1.23-3.81), while active smoking was associated with intrauterine death after the first trimester. Passive exposure in the workplace was weakly associated with preterm birth (less than 37 weeks) but not with low birth weight (less than 2,500 g) among full-term livebirths. Active smoking clearly increased the risk of both of these outcomes. However, passive exposure in the home only did not seem to affect pregnancy outcome. The lack of quantitative exposure data points to the need for more research before passive exposure to tobacco smoke can be regarded as an established hazard to fetal development and survival.
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- Ahlborg, Gunnar, 1948
(författare)
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Working environment and pregnancy
- 1991
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Ingår i: Jordemodern. - 0021-7468. ; 104:11, s. 406-7
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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- Arvidson, E., et al.
(författare)
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The level of leisure time physical activity is associated with work ability-a cross sectional and prospective study of health care workers
- 2013
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Ingår i: Bmc Public Health. - : Springer Science and Business Media LLC. - 1471-2458. ; 13:855
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Tidskriftsartikel (refereegranskat)abstract
- Background: With increasing age, physical capacity decreases, while the need and time for recovery increases. At the same time, the demands of work usually do not change with age. In the near future, an aging and physically changing workforce risks reduced work ability. Therefore, the impact of different factors, such as physical activity, on work ability is of interest. Thus, the aim of this study was to evaluate the association between physical activity and work ability using both cross sectional and prospective analyses. Methods: This study was based on an extensive questionnaire survey. The number of participants included in the analysis at baseline in 2004 was 2.783, of whom 2.597 were also included in the follow-up in 2006. The primary outcome measure was the Work Ability Index (WAI), and the level of physical activity was measured using a single-item question. In the cross-sectional analysis we calculated the level of physical activity and the prevalence of poor or moderate work ability as reported by the participants. In the prospective analysis we calculated different levels of physical activity and the prevalence of positive changes in WAI-category from baseline to follow-up. In both the cross sectional and the prospective analyses the prevalence ratio was calculated using Generalized Linear Models. Results: The cross-sectional analysis showed that with an increased level of physical activity, the reporting of poor or moderate work ability decreased. In the prospective analysis, participants reporting a higher level of physical activity were more likely to have made an improvement in WAI from 2004 to 2006. Conclusions: The level of physical activity seems to be related to work ability. Assessment of physical activity may also be useful as a predictive tool, potentially making it possible to prevent poor work ability and improve future work ability. For employers, the main implications of this study are the importance of promoting and facilitating the employees' engagement in physical activity, and the importance of the employees' maintaining a physically active lifestyle.
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