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. 2019 Jan 25;92(5):717–728. doi: 10.1007/s00420-019-01407-6

Table 1.

Characteristics in the total study sample, and in study sample A (baseline 2006) and B (baseline 2008)

Characteristics Total Study sample A Study sample B p value*
n = 4468 n = 2108 n = 2360
Age, n (%)
 20–39 years 970 (21.2) 480 (22.8) 473 (20.0) ns
 40–49 years 1494 (32.6) 669 (31.7) 799 (33.9)
 50–59 years 1753 (38.2) 805 (38.2) 899 (38.1)
 60–68 years 368 (8.0) 154 (7.3) 189 (8.0)
Sex, n (%)
 Men 1941 (43.4) 953 (45.2) 988 (41.9) 0.024
 Women 2527 (56.6) 1155 (54.8) 1372 (58.1)
SEP, n (%)
 Total 4273 (100.0) 2022 (47.3) 2251 (52.7)
 Low 1259 (29.4) 609 (30.1) 650 (28.9) ns
 Intermediate 2024 (47.4) 955 (47.2) 1069 (47.5)
 High 990 (23.2) 458 (22.7) 532 (23.6)
ICT demands at work, n (%)
 Non-exposure T1, T2 1959 (43.9) 943 (44.7) 1016 (43.1) 0.004
 Exposure T1, non-exposure T2 584 (13.1) 238 (11.3) 346 (14.7)
 Non-exposure T1, Exposure T2 583 (13.0) 296 (14.0) 287 (12.2)
 Exposure T1 & T2 1342 (30.0) 631 (29.9) 711 (30.1)
Job strain, n (%)
 No strain 3733 (83.9) 1765 (84.2) 1968 (83.6) ns
 Job strain 718 (16.1) 332 (15.8) 386 (16.4)
Social support, n (%)
 Low social support 2090 (46.2) 943 (45.2) 1103 (47.2) ns
 High social support 2438 (53.8) 1142 (54.8) 1234 (52.8)
Smoking, n (%)
 Non-smoking 3880 (87.1) 1825 (86.8) 2055 (87.3) ns
 Smoking 577 (12.9) 277 (13.2) 300 (12.7)
Physical activity, n (%)
 Low/occasional 2145 (48.3) 1037 (49.3) 1108 (47.3) ns
 Regular 2300 (51.7) 1066 (50.7) 1234 (52.7)
BMI, n (%)
 <18.50 34 (0.8) 14 (0.7) 20 (0.9) ns
 18.50-24.99 2295 (52.1) 1103 (53.1) 1192 (51.2)
 25.00-29.99 1661 (37.7) 779 (37.5) 882 (37.9)
 ≥30.00 413 (9.4) 180 (8.7) 233 (10.0)

BMI < 18.50 = underweight; BMI 18.50–24.99 = normal weight; BMI 25.00–29.99 = verweight; BMI ≥ 30.00  = obesity

ns non-significant

*Chi-square test for comparison of proportions