Table 3

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

Characteristic		Age group
		30			40				50				60
		Shift			Day				Shift				Day	Shift		Day		Shift	Day
Triglycerides >1.7 (%)	22.4	121/541	20.1	178/886	31.5	277/879	28.5(^3-150)	598/2100		36.2	270/746	33.6	831/2472	30.7	100/326	27.7	379/1367
Low HDL cholesterol^3-151(%)	26.7	51/191	17.9^3-150	66/369	20.1	67/334	19.8	147/744		17.8	56/314	20.2	192/950	27.8	42/151	20.6(^3-150)	115/559
Hypertension^3-152(%)	7.3	55/756	5.7	80/1404	15.5	177/1145	12.3^3-160	362/2955		28.8	271/940	29.1	974/3350	44.2	179/405	43.8	818/1868
Fasting plasma glucose ⩾7.0 (%)	0.8	6/763	0.9	13/1422	2.2	25/1160	1.2	37/2999		3.7	35/944	3.2	109/3399	6.1	25/409	6.0	113/1892
2 h glucose ⩾8.9–12.1^3-153(%)	0.5	4/762	1.2	17/1417	1.7	20/1153	2.0	61/2984		4.3	40/932	4.1	138/3358	7.3	29/398	8.5	156/1840
IGT proportion^3-154(%)	0.5	4/763	1.2	17/1422	1.4	16/1160	1.8	53/2996		3.7	35/943	3.5	119/3393	6.6	27/407	7.3	138/1882
BMI ⩾30 (%)	10.4	79/763	4.9^3-165	70/1422	12.1	140/1161	7.9^3-165	238/3002		12.4	117/943	9.6^3-150	327/3401	13.4	55/409	10.7	202/1894
Diabetes^3-164(%)	0.9	7/762	1.1	16/1418	2.6	30/1160	2.1	62/2998		4.6	43/941	4.0	137/3393	7.9	32/407	8.3	157/1887
Total cholesterol (mmol/l mean)	5.1	757	5.1	1412	5.7	1159	5.6^3-150	2989		6.1	933	6.0	3377	6.1	405	6.0	1877

↵3-150 p<0.05^3-150;
↵3-160 p<0.01;
↵3-165 p<0.001.
↵3-151 Men <0.9; women <1.0 mmol/l.
↵3-152 Systolic BP >160 mm Hg or diastolic BP >90 mm Hg or using antihypertensive drugs.
↵3-153 Concentrations of P glucose after 2 h performing oral glucose tolerance test (OGTT).
↵3-154 Fasting P glucose <7.0 mmol/l and 2 h capillary plasma glucose concentration 8.9–12.1 mmol/l.
↵3-164 Fasting P glucose ⩾7.0 or 2 h concentration ⩾12.2 mmol/l or answering yes having a diabetes.