Table 2

Prevalences of metabolic risk factors among women in the VIP study (shift workers and day workers compared in each age group)

CharacteristicAge group
30405060
ShiftDayShiftDayShiftDayShiftDay
Triglycerides >1.7 (%)8.777/8868.699/114913.7193/14119.62-165 277/288717.9214/119517.7560/317230.0242/80725.52-150 434/1703
Low HDL cholesterol2-151(%)18.342/2308.62-165 25/29216.461/37213.592/67914.755/37510.8(2-150)96/88712.938/29413.675/551
Hypertension2-152(%)2.524/9573.646/12839.1135/14768.0251/313424.4313/128123.4803/343239.9337/84437.6690/1835
Fasting plasma glucose ⩾7.0 (%)0.66/9710.912/13081.218/14970.930/31782.127/13012.069/34984.337/8614.889/1865
2 h glucose ⩾8.9–12.12-153(%)3.433/9623.445/13064.262/14893.3105/31645.774/12976.1212/347713.2112/84610.32-150 190/1837
IGT proportion2-154(%)3.433/9683.242/13084.161/14963.2102/31735.268/13005.8204/349512.3106/8609.52-150 177/1860
BMI ⩾30 (%)9.188/9716.62-150 86/130910.8162/14977.22-165 228/318014.8193/130110.72-165 374/349920.0173/86315.12-160 282/1868
Diabetes2-164(%)1.313/9701.519/13071.421/14941.549/31722.735/12992.794/34946.455/8626.5121/1863
Total cholesterol (mmol/l mean)4.99674.912985.314905.22-165 31595.912865.82-150 34726.58596.42-160 1855
  • 2-150 p<0.05;

  • 2-160 p<0.01;

  • 2-165 p<0.001.

  • 2-151 Men <0.9; women <1.0 mmol/l.

  • 2-152 Systolic BP >160 mm Hg or diastolic BP >90 mm Hg or taking antihypertensive drugs.

  • 2-153 Concentrations of P glucose after 2 h performing oral glucose tolerance test (OGTT).

  • 2-154 Fasting P glucose <7.0 mmol/l and 2 h capillary plasma glucose concentration 8.9–12.1 mmol/l.

  • 2-164 Fasting P glucose ⩾7.0 or 2 h level ⩾12.2 mmol/l, or answering yes having diabetes.