Table 3 Odds ratios and 95% confidence limits for occupational groups in relation to lymphomas (n = 710 matched pairs; only sectors with at least five cases are presented).
| ISCO‐68 | Occupational group | 1–10 years | >10 years | All | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cases | Controls | Adj OR* | 95% CI | Cases | Controls | Adj OR* | 95% CI | Adj OR* | 95% CI | ||
| 01; 05 | Physical scientists; life scientists | 7 | 7 | 1.3 | 0.4–3.9 | 7 | 10 | 0.8 | 0.3–2.3 | 1.0 | 0.5–2.2 |
| 02–03 | Architects, engineers, and related technicians | 21 | 16 | 2.0 | 1.0–4.2 | 34 | 32 | 1.5 | 0.9–2.7 | 1.7† | 1.0–2.7 |
| 06–07 | Medical, dental, veterinary, and related workers | 21 | 27 | 0.9 | 0.5–1.6 | 17 | 18 | 1.3 | 0.6–2.6 | 1.0 | 0.6–1.7 |
| 11; 14; 17–18 | Other professional and technical workers | 5 | 6 | 1.0 | 0.3–3.3 | 8 | 4 | 2.3 | 0.7–7.9 | 1.5 | 0.6–3.6 |
| 13 | Teachers | 15 | 26 | 0.7 | 0.3–1.4 | 18 | 27 | 0.9 | 0.5–1.8 | 0.8 | 0.5–1.3 |
| 31; 35–38 | Other clerical workers | 25 | 15 | 2.2† | 1.1–4.7 | 21 | 27 | 1.0 | 0.5–2.0 | 1.5 | 0.9–2.4 |
| 41–45 | Sales workers | 58 | 55 | 1.3 | 0.8–2.0 | 74 | 70 | 1.2 | 0.8–1.9 | 1.3 | 0.9–1.8 |
| 51 | Working proprietors (catering and lodging services) | 8 | 2 | 3.7 | 0.8–17.7 | 1 | 2 | 0.6 | 0.1–7.2 | 2.3 | 0.7–7.5 |
| 53 | Cooks, waiters, bartenders | 15 | 13 | 1.4 | 0.6–3.1 | 12 | 13 | 1.2 | 0.5–2.7 | 1.3 | 0.7–2.4 |
| 54 | Maids | 78 | 61 | 1.6† | 1.1–2.9 | 15 | 8 | 2.8† | 1.1–7.0 | 1.7‡ | 1.2–2.6 |
| 55 | Building caretakers, charworkers, cleaners | 17 | 15 | 1.3 | 0.6–2.7 | 8 | 12 | 0.7 | 0.3–1.9 | 1.1 | 0.6–1.9 |
| 56 | Launderers, dry cleaners, and pressers | 6 | 9 | 0.8 | 0.3–2.5 | 5 | 2 | 3.4 | 0.6–18.5 | 1.3 | 0.5–3.2 |
| 57 | Hairdressers, barbers, beauticians | 5 | 5 | 1.1 | 0.3–3.9 | 3 | 7 | 0.5 | 0.1–2.0 | 0.7 | 0.3–1.9 |
| 58 | Protective service workers | 6 | 7 | 1.2 | 0.4–3.7 | 7 | 6 | 1.3 | 0.4–4.1 | 1.3 | 0.6–2.8 |
| 52; 59 | Other service workers | 14 | 12 | 1.4 | 0.6–3.2 | 5 | 5 | 1.3 | 0.4–4.8 | 1.4 | 0.7–2.8 |
| 60–61 | Farmers | 8 | 4 | 2.8 | 0.8–9.7 | 10 | 6 | 2.1 | 0.7–6.1 | 2.4† | 1.1–5.4 |
| 62 | Agriculture and animal husbandry workers | 39 | 53 | 0.8 | 0.5–1.4 | 18 | 12 | 1.9 | 0.9–4.1 | 1.0 | 0.7–1.6 |
| 70 | Production supervisors and general foremen | 9 | 9 | 1.3 | 0.5–3.4 | 10 | 17 | 0.7 | 0.3–1.6 | 0.9 | 0.5–1.7 |
| 72 | Metal processors | 6 | 5 | 1.4 | 0.4–5.1 | 4 | 1 | 5.2 | 0.6–48.8 | 2.1 | 0.7–6.3 |
| 74 | Chemical processors and related workers | 12 | 11 | 1.1 | 0.5–2.7 | 9 | 3 | 3.4 | 0.9–13.0 | 1.6 | 0.8–3.3 |
| 75 | Spinners, weavers, knitters, dyers | 10 | 10 | 1.3 | 0.5–3.3 | 1 | 5 | 0.3 | 0.03–2.5 | 1.0 | 0.4–2.2 |
| 77 | Food and beverage processors | 16 | 14 | 1.4 | 0.6–3.0 | 11 | 5 | 2.8 | 0.9–8.5 | 1.7 | 0.9–3.3 |
| 79 | Tailors, dressmakers, sewers, upholsterers | 25 | 26 | 1.2 | 0.6–2.3 | 15 | 14 | 1.3 | 0.6–2.8 | 1.3 | 0.7–2.2 |
| 80 | Shoemakers and leather goods makers | 5 | 14 | 0.4 | 0.1–1.1 | 1 | 4 | 0.3 | 0.04–3.0 | 0.4† | 0.1–1.0 |
| 81 | Cabinet makers | 17 | 10 | 1.7 | 0.7–4.0 | 8 | 15 | 0.6 | 0.3–1.5 | 1.1 | 0.6–1.9 |
| 83 | Blacksmiths, toolmakers, and machine tool operators | 21 | 32 | 0.8 | 0.4–1.4 | 14 | 14 | 1.2 | 0.5–2.5 | 0.9 | 0.5–1.5 |
| 84 | Machinery fitters, machine assemblers, and precision instrument makers (except electrical) | 48 | 49 | 1.1 | 0.7–1.8 | 38 | 32 | 1.4 | 0.8–2.4 | 1.2 | 0.8–1.8 |
| 85 | Electrical fitters and related electrical and electronics workers | 24 | 31 | 0.9 | 0.5–1.6 | 19 | 10 | 2.2 | 1.0–5.1 | 1.2 | 0.7–2.0 |
| 87 | Plumbers, welders, sheet metal and structural metal preparers, and erectors | 31 | 19 | 1.9† | 1.0–3.5 | 8 | 20 | 0.5 | 0.2–1.2 | 1.2 | 0.7–2.1 |
| 89 | Glass formers, potters | 4 | 1 | 5.4 | 0.6–49.4 | 4 | 1 | 6.4 | 0.7–58.8 | 5.9† | 1.2–28.4 |
| 90 | Rubber and plastics product makers | 11 | 9 | 1.7 | 0.7–4.4 | 2 | 2 | 1.4 | 0.2–10.6 | 1.7 | 0.7–3.9 |
| 92 | Printers | 7 | 11 | 0.9 | 0.3–2.4 | 11 | 6 | 2.4 | 0.9–6.8 | 1.4 | 0.7–2.9 |
| 93 | Painters | 4 | 5 | 0.9 | 0.2–3.6 | 6 | 5 | 1.1 | 0.3–3.9 | 1.0 | 0.4–2.6 |
| 94 | Production and related workers | 7 | 6 | 1.2 | 0.4–3.6 | – | 3 | – | – | 0.9 | 0.3–2.7 |
| 95 | Bricklayers, carpenters, and other construction workers | 32 | 30 | 1.3 | 0.7–2.4 | 25 | 10 | 2.9† | 1.3–6.9 | 1.7† | 1.0–2.8 |
| 97 | Material handling and related equipment operators, dockers, and freight handlers | 25 | 20 | 1.3 | 0.7–2.5 | 12 | 6 | 2.0 | 0.7–5.6 | 1.5 | 0.9–2.6 |
| 98 | Transport equipment operators | 27 | 25 | 1.3 | 0.7–2.3 | 29 | 25 | 1.4 | 0.7–2.6 | 1.3 | 0.8–2.1 |
| 76; 78; 86; 91; 96; 99 | Other production workers and labourers | 32 | 24 | 1.4 | 0.8–2.6 | 14 | 12 | 1.3 | 0.6–2.9 | 1.4 | 0.8–2.3 |
Reference group: 0 years and non‐exposed white collar works as main occupation: ISCO‐68 groups 08, 09, 12, 15, 19, 20–21, 30, 32–34, 39, 40, 50 (statisticians, mathematicians, system analysts, economists, jurists, authors, journalists, other professional or technical workers; legislative officials and government administrators, managers, clerical supervisors; stenographers, typists, and card and tape punching machine operators, bookkeepers, cashiers, computing machine operators, other clerical related workers).
*Odds ratio (OR) adjusted for smoking (pack‐years) and alcohol consumption; probands with blue collar work as main occupation were analysed in a separate category (not shown).
†p<0.05; ‡p<0.01.