Metabolic disturbances in male workers with rotating three-shift work: results of the WOLF study

Metabolic disturbances in male workers with rotating three-shift work : results of the WOLF study

Objectives: The aim of the present study was to investigate the relationship between important metabolic risk factors for coronary heart disease (CHD) and type 2 diabetes in shift workers and day workers.Methods: Cross-sectional data from a sub-population in the WOLF study consisting of 665 day workers and 659 three-shift workers in two plants were analysed.Results: A higher proportion of shift workers than day workers had high triglyceride levels (‡1.7 mmol/l), low levels of HDL-cholesterol (<0.9 mmol/l) and abdominal obesity (waist/hip ratio>0.9). The risk of low HDLcholesterol was doubled in shift workers, (odds ratio (OR): 2.02, 95% confidence interval (95% CI): 1.24– 3.28) after being adjusted for age, socio-economic factors, physical activity, current smoking, social support and job strain. High levels of triglycerides were also significantly associated with shift work (OR: 1.40, 95% CI: 1.08–1.83). The OR for abdominal obesity was 1.19, (95% CI: 0.92–1.56). The prevalence of hyperglycaemia (serum glucose ‡7.0 mmol/l) was similar in day and shift workers. No significant interaction was seen between shift work and abdominal obesity with regard to the associations with triglycerides and HDL-cholesterol.Conclusions: We found a significant association between shift work and lipid disturbances (i.e. low HDL-cholesterol and high triglyceride levels). We did not find any association with hyperglycaemia.

Knutsson, Anders KUmeå universitet,Yrkesmedicin (author)
Lindahl, Bernt OUmeå universitet,Institutionen för folkhälsa och klinisk medicin(Swepub:umu)beli0020 (author)
Alfredsson, Lars SKarolinska Institutet (author)
Umeå universitetYrkesmedicin (creator_code:org_t)

In:International Archives of Occupational and Environmental Health: Springer Science and Business Media LLC76:6, s. 424-4300340-01311432-1246

By the author/editor: Karlsson, Berndt ...; Knutsson, Anders ...; Lindahl, Bernt O; Alfredsson, Lars ...

About the subject

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Health Sciences; and Occupational Hea ...

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