Table 1 Descriptive data from the 1st and 2nd survey

Sex

Male

865 (40.4)

8726 (45.4)

1.0

7876 (45.5)

850 (44.9)

272 (39.0)

843 (39.0)

1.0

764 (39.3)

79 (36.6)

Female

1275 (59.6)

10494 (54.6)

1.2 (1.1-1.3)

9449 (54.5)

1045 (55.1)

426 (61.0)

1317 (61.0)

1.0 (0.84-1.2)

1180 (60.7)

137 (63.4)

Age

18-24

282 (13.2)

2119 (11.0)

1.0

1867(10.8)

252 (13.3)

69 (9.9)

216 (10.0)

1.0

186 (9.6)

30 (13.9)

(5 Groups)

25-34

454 (21.2)

3521 (18.3)

0.97 (0.83-1.1)

2937 (17.0)

584 (30.8)

142 (20.3)

435 (20.1)

1.0 (0.73-1.4)

364 (18.7)

71 (32.9)

35-44

395 (18.5)

4341 (22.6)

0.68 (0.58-0.80)

3980 (23.0)

361 (19.1)

139 (19.9)

470 (21.8)

0.93 (0.67-1.3)

436 (22.4)

34 (15.7)

45-54

460 (21.5)

4276 (22.2)

0.81 (0.69-0.95)

3937 (22.7)

339 (17.9)

154 (22.1)

461 (21.3)

1.0 (0.75-1.5)

419 (21.6)

42 (19.4)

55-65

549 (25.7)

4963 (25.8)

0.83 (0.71-0.97)

4604 (26.6)

359 (18.9)

194 (27.8)

578 (26.8)

1.1 (0.77-1.4)

539 (27.7)

39 (18.1)

Smoking

No

1630 (76.6)

14890 (77.9)

1.0

13556 (78.6)

1334 (70.7)

530 (76.3)

1690 (78.6)

1.0

1534 (79.2)

156 (72.6)

Yes, sometimes

131 (6.2)

984 (5.1)

1.0 (0.92-1.2)

836 (4.8)

148 (7.8)

34 (4.9)

99 (4.6)

1.2(0.92-1.4)

84 (4.3)

15 (7.0)

Daily

367 (17.2)

3250 (17.0)

1.2 (1.0-1.5)

2846 (16.5)

404 (21.4)

131 (18.8)

362 (16.8)

1.1(0.73-1.6)

318 (16.4)

44 (20.5)

BMI

< 25

1001 (48.4)

10325 (55.0)

1.0

9228 (54.5)

1097 (59.3)

315 (46.3)

1193 (56.2)

1.0

1066 (55.7)

127 (60.8)

Overweight

740 (35.8)

6399 (34.1)

1.2 (1.1-1.3)

5821 (34.4)

578 (31.2)

264 (38.8)

676 (31.9)

1.5 (1.2-1.8)

614 (32.1)

62 (29.7)

Fat

327 (15.8)

2057 (11.0)

1.6 (1.4-1.9)

1881 (11.1)

176 (9.5)

102 (15.0)

253 (11.9)

1.5 (1.2-2.0)

233 (12.2)

20 (9.6)

SEI

Professionals, etc

234 (11.8)

2333(12.9)

1.0

2132 (13.1)

201 (11.3)

81 (12.6)

307(14.9)

1.0

278 (15.0)

29 (14.3)

Intermediate non-manual

340 (17.1)

3366 (18.7)

1.0 (0.85-1.2)

3086 (19.0)

280 (15.8)

124 (19.3)

436(21.2)

1.1(0.79-1.5)

399 (21.5)

37 (18.2)

Assistant non-manual

187 (9.4)

1735 (9.6)

1.1 (0.88-1.3)

1559 (9.6)

176 (9.9)

71 (11.0)

188(9.1)

1.4 (0.99-2.1)

175 (9.4)

13 (6.4)

Skilled workers

245 (12.3)

2359 (13.1)

1.0 (0.86-1.3)

2171 (13.3)

188 (10.6)

72 (11.2)

251(12.2)

1.1(0.76-1.6)

226 (12.2)

25 (12.3)

Unskilled workers

334 (16.8)

3150 (17.5)

1.1 (0.89-1.3)

2854 (17.5)

296 (16.7)

100 (15.5)

287(13.9)

1.3 (0.95-1.8)

252 (13.6)

35 (17.2)

Self-employed (non-prof.)

107 (5.4)

1275 (7.1)

0.8 (0.66-1.1)

1177 (7.2)

98 (5.5)

38 (5.9)

155(7.5)

0.93 (0.60-1.4)

145 (7.8)

10 (4.9)

Disability pensioners

192 (9.7)

1042 (5.8)

1.8 (1.5-2.3)

927 (5.7)

115 (6.5)

66(10.2)

131(6.4)

1.9(1.3-2.8)

117 (6.3)

14 (6.9)

Unemployed

139 (7.0)

1073 (5.9)

1.3 (1.0-1.6)

893 (5.5)

180 (10.2)

32(5.0)

107(5.2)

1.1 (0.71-1.8)

91 (4.9)

16 (7.9)

Students

210 (10.6)

1702 (9.4)

1.2 (1.0-1.5)

1464 (9.0)

238 (13.4)

60(9.3)

197(9.6)

1.2(0.79-1.7)

173 (9.3)

24 (11.8)

Exposure to

chemicals, dust,

or fumes at work

Never

909 (61.7)

8876 (62.7)

1.0

8054 (62.4)

91 (62.3)

333 (65.7)

1085 (66.9)

1.0

988 (67.1)

97 (65.1)

More seldom

303 (20.6)

2731 (19.3)

1.0 (0.86-1.2)

2511 (19.5)

30 (20.5)

101 (19.9)

282 (17.4)

0.97 (0.68-1.4)

256 (17.4)

26 (17.4)

Few days/week

94 (6.4)

946 (6.7)

0.97 (0.78.-1.2)

872 (6.8)

8 (5.5)

28 (5.5)

103 (6.4)

0.89 (0.57-1.4)

91 (6.2)

12 (8.1)

Every day

168 (11.4)

1597 (11.3)

1.1 (0.95-1.2)

1468 (11.4)

17 (11.6)

45 (8.9)

152 (9.4)

1.2 (0.90-1.5)

138 (9.4)

14 (9.4)