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Long working hours, disturbed eating patterns may impair glycaemic control in Japanese males

11 May 2018
Overworking is increasingly leading to death in Japan

Long workweeks and habitual skipping of breakfast, along with late evening meals, appear to impair glycaemic control in Japanese men with type 2 diabetes, a recent study has found.

Multivariable logistic regression analysis in males showed that skipping of breakfasts and late evening meals (odds ratio [OR], 2.50; 95 percent CI, 1.25–5.00; p=0.009) and working for 60 hours per week (OR, 2.92; 1.16–7.40; p=0.023) were significantly associated with poor glycaemic control.

Other significant risk factors in this participant group were a disease duration of >10 years (OR, 2.43; 1.02–5.80; p=0.045) and HbA1c 7 percent (OR, 8.50; 4.90–14.80; p<0.001).

In females, the same meal patterns and working conditions had no effect on glycaemic control, while the use of insulin (OR, 11.60; 2.35–57.63; p=0.027) and oral hyperglycaemic agents (OR, 12.49; 2.75–56.86; p=0.001), and having HbA1c 7 percent (OR, 17.96; 5.93–54.4; p<0.001) were significant risk factors.

While the biological mechanisms are still not understood, long working hours may negatively affect glycaemic control by promoting unhealthy eating behaviours, such as higher intakes, to cope with stress. Neuroendocrinological factors may also be involved, said researchers. [Am J Ind Med 2011;54:375-383]

The differential effects with respect to sex may be explained by asymmetrical social expectations, they added. “We hypothesized that men are more commonly subjected to stress because of LWHs than women because the social roles of men strongly affect work ethics in Japan, where males are considered to be the breadwinner of the family and who should work outside the home to earn a living.” [Br J Sociol 2004;55:377-399]

Researchers performed a prospective study on 352 male (mean age 35.1±4.6 years) and 126 female (mean age 34.7±4.6 years) working patients with diabetes. Eating pattern and work condition information were obtained through self-administered questionnaires. Glycaemic control was measured as serum levels of HbA1c.

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Most Read Articles
28 Apr 2018
Treatment with teriparatide increases periostin secretion, but it is unclear whether such increase facilitates the effect of the drug on bone, reports a recent study.
Jairia Dela Cruz, 03 Apr 2018
A small cohort study presented at the Royal College of Obstetricians & Gynaecologists (RCOG) World Congress 2018 has reported a 5-year diabetic ketoacidosis (DKA) incidence rate of 4.16 percent in pregnant women with type 1 diabetes mellitus (T1DM), with generally good maternal and neonatal outcomes.
24 Apr 2018
A subclinical inflammatory state resulting from increased adiposity and metabolic dysfunction appears to contribute to breast cancer pathogenesis in Asian women, a Taiwan study has found.
25 Apr 2018
Dietary glycaemic index (GI) or glycaemic load (GL) does not appear to have any significant effect on serum concentrations of inflammatory cytokines, including high-sensitivity C-reactive protein (hs-CRP), leptin, interleukin 6 (IL-6) and tumour necrosis factor α (TNF-α) in adults, reports a new study.