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. 2020 Oct 28;78(4):269–278. doi: 10.1136/oemed-2020-106770

Table 1.

Selected characteristics of study participants in the SYNERGYy analysis of painters

Study participants’ characteristics Ever painters Never painters
Cases n=684 % Controls n=532 % Cases n=18 685 % Controls n=23 142 %
Sex
 Men 649 94.9 504 94.7 14 959 80.1 18 027 77.9
 Women 35 5.1 28 5.3 3 726 19.9 5 115 22.1
Age, years
 <45 45 6.6 29 5.5 758 4.1 1 456 6.3
 45–49 52 7.6 38 7.1 1 115 6 1 413 6.1
 50–54 99 14.5 68 12.8 1 915 10.3 2 254 9.7
 55–59 125 18.3 77 14.5 2 833 15.2 3 388 14.6
 60–64 131 19.1 96 18.1 3 485 18.6 4 051 17.5
 65–69 103 15.1 108 20.3 3 892 20.8 4 818 20.8
 70–74 100 14.6 86 16.2 3 319 17.8 4 371 18.9
 75+ 29 4.2 30 5.6 1 368 7.3 1 391 6
Histological subtype
 SqC 279 40.8 6904 36.9
 SCLC 110 16.1 2913 15.6
 AC 176 25.7 5462 29.2
 LCC 30 4.4 836 4.5
 Others* 89 13 2570 13.8
Ever employed in a list A/B job†
 No 445 65.1 342 64.3 12 959 69.4 17 819 77
 List A 53 7.7 42 7.9 1 040 5.6 810 3.5
 List B 156 22.8 133 25 4 134 22.1 4 107 17.7
 List A and List B 30 4.4 15 2.8 552 2.9 406 1.8
Smoking status
 Never smokers 25 3.7 99 18.6 1 429 7.6 7 681 33.2
 Former smokers 160 23.4 232 43.6 5 840 31.3 9 021 39
 Current smokers 497 72.7 199 37.4 11 377 60.9 6 371 27.5
 Unknown/missing 2 0.3 2 0.4 39 0.2 69 0.3
Pack-years cigarette smoking, ever smoker: AM (SD) 42.53 (25.6) 28.56 (24.0) 42.42 (27.9) 26.25 (23.8)
Time since quitting smoking, former smokers: AM (SD) 12.05 (9.2) 18.01 (11.7) 12.99 (10.3) 20.10 (12.1)
Time since quitting smoking, years
 2–7 58 8.5 39 7.3 1 850 9.9 1 341 5.8
 8–15 39 5.7 61 11.5 1 649 8.8 2 002 8.7
 16–25 36 5.3 58 10.9 1 207 6.5 2 468 10.7
 26–35 13 1.9 42 7.9 466 2.5 1 623 7
 >35 2 0.3 16 3 216 1.2 1 062 4.6
 Missing 14 2 18 3.4 491 2.6 594 2.6
 Never smoker 25 3.7 99 18.6 1 429 7.6 7 681 33.2

*Others include others, unspecified and missing values.

†Occupation with known (list A) or suspected (list B) association with the risk of lung cancer.

AC, adenocarcinoma; AM, arithmetic mean; LCC, large cell carcinoma; SCLC, small cell lung cancer; SqC, squamous cell carcinoma.