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Table 1 Number of subjects, percentage of males, mean and standard deviation (sd) of age by occupational category in the whole study and in subjects enrolled in the pretest-posttest study

From: A worksite intervention to reduce the cardiovascular risk: proposal of a study design easy to integrate within Italian organization of occupational health surveillance

Occupational categories# Overall Pretest-posttest study
Number % Males Age (years) mean ± sd Number % Males Age (years) mean ± sd
4 1 100.0 44.0    
2 2 50.0 41.5 ± 20.5    
6 3 66.7 53.3 ± 12.9 1 100.0 68.0
12 4 50.0 46.3 ± 9.6    
16 4 25.0 41.3 ± 8.8    
19 4 100.0 45.3 ± 14.2    
21 4 25.0 46.0 ± 4.2    
18 12 41.7 38.3 ± 12.5 1 100.0 61.0
15 18 88.9 34.6 ± 8.4    
11 69 75.4 40.6 ± 8.1 5 100.0 52.4 ± 2.5
3 84 48.8 38.2 ± 9.2 3 100.0 54.3 ± 3.1
13 94 81.9 36.5 ± 8.9 8 100.0 52.0 ± 7.2
14 128 72.7 41.0 ± 9.6 9 100.0 51.3 ± 4.6
7 158 75.3 40.4 ± 8.5 7 100.0 50.1 ± 3.5
1 160 74.4 40.8 ± 9.6 13 84.6 55.2 ± 3.5
9 195 73.3 40.8 ± 9.3 8 100.0 51.5 ± 4.8
23 195 68.2 46.3 ± 8.6 22 100.0 54.0 ± 4.8
10 221 63.8 40.7 ± 9.4 9 100.0 51.6 ± 1.7
20 252 47.6 47.4 ± 7.8 18 94.4 54.6 ± 4.4
5 305 59.0 43.6 ± 8.0 19 100.0 53.4 ± 2.0
17 546 80.2 43.0 ± 9.9 47 100.0 52.8 ± 4.2
8 890 78.5 42.0 ± 8.8 67 98.5 52.3 ± 3.5
22 2187 36.5 42.1 ± 9.2 93 96.8 53.0 ± 3.8
Total 5536 57.5 42.3 ± 9.2 330 97.9 53.0 ± 4.0
  1. #Occupational categories: 1 = Food products and beverages (+ Agriculture); 2 = Wood and of products of wood; 3 = Paper and paper products; 4 = Coke and refined petroleum products; 5 = Chemicals and chemical products; 6 = Rubber and plastics products; 7 = Other non-metallic mineral products; 8 = Basic metals; 9 = Machinery and equipment n.e.c.; 10 = Computer, electronic and optical products; 11 = Furniture; 12 = Repair and installation of machinery and equipment; 13 = Electricity, gas, and water supply; 14 = Construction; 15 = Wholesale and retail trade; 16 = Accommodation and food service activities; 17 = Transportation and storage; 18 = Financial and insurance activities; 19 = Real estate activities; 20 = Public administration and defence; 21 = Educaton; 22 = Human health and social work activities; 23 = Other service activities.