Table 3.
Adjusted ORs (95% CIs) for NHL by occupational title in 24 occupational groups.
| Occupational groupa and code: occupational titleb | Cases (n) | Controls (n) | All NHL (n = 10,046) | |||||
|---|---|---|---|---|---|---|---|---|
| Ever employed | > 10 years employment | |||||||
| Male and female | Male | Female | Male and female | Male | Female | |||
| ORc (95% CI) | ORc (95% CI) | ORc (95% CI) | ORc (95% CI) | ORc (95% CI) | ORc (95% CI) | |||
| Bakers/millers | 131 | 158 | 0.95 (0.75, 1.20) | 1.00 (0.75, 1.35) | 0.83 (0.55, 1.24) | 0.90 (0.60, 1.33) | 0.95 (0.60, 1.49) | — |
| Chemical workers | 127 | 167 | 0.96 (0.76, 1.21) | 0.98 (0.76, 1.28) | 0.93 (0.53, 1.61) | 1.00 (0.68, 1.47) | 1.06 (0.70, 1.59) | — |
| Cleaners | 534 | 589 | 1.11 (0.98, 1.25) | 1.13 (0.92, 1.38) | 1.12 (0.95, 1.31) | 1.03 (0.84, 1.27) | 1.24 (0.85, 1.82) | 0.99 (0.77, 1.27) |
| 552: Charworkers, cleaners and related | 377 | 395 | 1.17 (1.01, 1.36) | 1.26 (0.91, 1.75) | 1.15 (0.97, 1.36) | 1.05 (0.83, 1.34) | 1.37 (0.75, 2.49) | 1.02 (0.79, 1.33) |
| Drivers | 787 | 900 | 1.03 (0.93, 1.14) | 1.06 (0.95, 1.19) | 0.77 (0.53, 1.13) | 1.00 (0.85, 1.17) | 1.03 (0.87, 1.21) | — |
| 983: Railway-engine drivers and firemen | 10 | 27 | 0.45 (0.22, 0.94) | 0.45 (0.22, 0.94) | NA | — | — | — |
| 98590: Other motor-vehicle drivers | 56 | 98 | 0.65 (0.46, 0.92) | 0.72 (0.50, 1.02) | — | 0.53 (0.29, 0.96) | 0.57 (0.31, 1.06) | — |
| Dry-cleaners | 97 | 125 | 0.92 (0.70, 1.20) | 0.97 (0.56, 1.69) | 0.90 (0.66, 1.23) | 1.29 (0.74, 2.23) | — | 1.36 (0.72, 2.55) |
| Electrical & electronic | 632 | 749 | 1.05 (0.94, 1.18) | 1.08 (0.95, 1.23) | 1.01 (0.79, 1.29) | 1.12 (0.95, 1.32) | 1.09 (0.92, 1.30) | 1.47 (0.90, 2.41) |
| 85: Electrical fitters and related electrical/electronics workers | 525 | 589 | 1.10 (0.98, 1.25) | 1.15 (0.99, 1.32) | 1.01 (0.78, 1.30) | 1.24 (1.02, 1.50) | 1.18 (0.96, 1.45) | 1.66 (0.99, 2.77) |
| 853: Electrical and electronic equipment assemblers | 121 | 145 | 1.07 (0.84, 1.37) | 0.98 (0.61, 1.57) | 1.08 (0.81, 1.44) | 1.86 (1.10, 3.12) | — | 1.88 (1.05, 3.36) |
| 85390: Other electrical and electronic equipment assemblers | 79 | 91 | 1.15 (0.84, 1.57) | — | 1.25 (0.89, 1.76) | 2.18 (1.09, 4.38) | NA | 2.28 (1.12, 4.64) |
| 855: Electrical wiremen | 177 | 178 | 1.24 (1.00, 1.54) | 1.28 (1.03, 1.58) | — | 1.15 (0.83, 1.59) | 1.14 (0.82, 1.58) | — |
| 85540: Vehicle electrician | 20 | 10 | 2.58 (1.20, 5.55) | 2.60 (1.20, 5.59) | NA | — | — | NA |
| Engine mechanics | 303 | 382 | 0.99 (0.84, 1.16) | 1.00 (0.85, 1.17) | — | 1.06 (0.77, 1.46) | 1.08 (0.79, 1.49) | NA |
| Farmers–any | 1,372 | 1,433 | 1.03 (0.95, 1.13) | 1.02 (0.92, 1.14) | 1.03 (0.89, 1.19) | 1.06 (0.95, 1.19) | 1.04 (0.90, 1.21) | 1.06 (0.88-1.29) |
| Farmers–animal | 264 | 316 | 0.86 (0.72, 1.02) | 0.82 (0.66, 1.00) | 0.90 (0.65, 1.23) | 0.92 (0.72, 1.18) | 0.84 (0.62, 1.14) | 1.03 (0.66, 1.60) |
| Farmers–crop | 582 | 573 | 1.10 (0.97, 1.24) | 1.12 (0.96, 1.31) | 1.04 (0.84, 1.28) | 1.18 (1.00, 1.41) | 1.25 (1.00, 1.57) | 1.05 (0.79, 1.38) |
| 622: Field crop and vegetable farm workers | 276 | 233 | 1.26 (1.05, 1.51) | 1.21 (0.95, 1.56) | 1.29 (0.98, 1.69) | 1.25 (0.96, 1.62) | 1.18 (0.83, 1.67) | 1.33 (0.90, 1.95) |
| 62210: Field crop farm worker (general) | 149 | 118 | 1.38 (1.07, 1.77) | 1.32 (0.95, 1.83) | 1.42 (0.95, 2.12) | 1.29 (0.91, 1.82) | 1.23 (0.80, 1.90) | 1.34 (0.75, 2.40) |
| Farmers–mix and unspecified | 716 | 698 | 1.07 (0.95, 1.20) | 1.03 (0.90, 1.19) | 1.13 (0.92, 1.38) | 1.08 (0.93, 1.26) | 1.00 (0.82, 1.21) | 1.23 (0.94, 1.61) |
| 621: General farm workers | 437 | 404 | 1.19 (1.03, 1.37) | 1.22 (1.02, 1.46) | 1.12 (0.87, 1.43) | 1.19 (0.95, 1.50) | 1.07 (0.79, 1.46) | 1.36 (0.95, 1.95) |
| Fire fighters | 49 | 79 | 0.76 (0.53, 1.09) | 0.72 (0.49, 1.04) | NA | 0.50 (0.27, 0.93) | 0.50 (0.27, 0.92) | NA |
| Forestry workers | 66 | 71 | 1.05 (0.75, 1.48) | 1.06 (0.74, 1.52) | — | 2.25 (1.18, 4.32) | 2.40 (1.23, 4.69) | NA |
| Hairdressers | 154 | 158 | 1.21 (0.96, 1.52) | 0.89 (0.55, 1.44) | 1.28 (0.99, 1.65) | 1.27 (0.88, 1.82) | 1.20 (0.59, 2.45) | 1.26 (0.83, 1.92) |
| 57020: Women’s hairdresser | 115 | 113 | 1.34 (1.02, 1.74) | — | 1.43 (1.08, 1.89) | 1.30 (0.84, 2.01) | — | 1.39 (0.88, 2.19) |
| Leather workers | 132 | 156 | 0.93 (0.73, 1.18) | 0.90 (0.64, 1.26) | 0.97 (0.70, 1.36) | 0.87 (0.58, 1.30) | 0.76 (0.44, 1.32) | 1.04 (0.57, 1.87) |
| Meat workers | 102 | 108 | 1.08 (0.81, 1.42) | 1.22 (0.89, 1.68) | 0.74 (0.41, 1.33) | 1.09 (0.70, 1.68) | 1.16 (0.70, 1.90) | — |
| Medical workers | 681 | 895 | 0.96 (0.86, 1.07) | 1.08 (0.88, 1.32) | 0.91 (0.80, 1.03) | 1.11 (0.96, 1.29) | 1.32 (0.99, 1.77) | 1.03 (0.87, 1.23) |
| 061: Medical doctors | 77 | 82 | 1.16 (0.84, 1.60) | 1.06 (0.73, 1.55) | 1.55 (0.83, 2.90) | 1.87 (1.23, 2.85) | 1.73 (1.07, 2.80) | — |
| 062: Medical assistants | 58 | 112 | 0.69 (0.50, 0.95) | 0.69 (0.39, 1.24) | 0.69 (0.46, 1.02) | 0.85 (0.38, 1.87) | — | 0.90 (0.38, 2.11) |
| Metal processers | 133 | 132 | 1.13 (0.88, 1.45) | 1.18 (0.90, 1.54) | 0.84 (0.41, 1.71) | 0.92 (0.60, 1.40) | 0.90 (0.58, 1.40) | — |
| Metal workers | 616 | 732 | 0.99 (0.88, 1.11) | 1.04 (0.91, 1.17) | 0.78 (0.57, 1.05) | 0.96 (0.80, 1.15) | 0.97 (0.80, 1.17) | 0.84 (0.47, 1.49) |
| 83220: Tool and die maker | 34 | 46 | 0.81 (0.52, 1.28) | 0.83 (0.52, 1.31) | — | 0.48 (0.23, 1.00) | 0.50 (0.24, 1.04) | — |
| 834: Machine-tool operators | 208 | 228 | 1.09 (0.90, 1.33) | 1.13 (0.91, 1.41) | 0.93 (0.58, 1.49) | 1.55 (1.11, 2.17) | 1.65 (1.14, 2.37) | — |
| Painters | 206 | 221 | 1.15 (0.94, 1.39) | 1.17 (0.94, 1.44) | 1.06 (0.64, 1.78) | 1.19 (0.87, 1.63) | 1.21 (0.87, 1.68) | 0.99 (0.33, 2.99) |
| 93930: Spray-painter (except construction) | 49 | 29 | 2.07 (1.30, 3.29) | 2.46 (1.45, 4.15) | — | — | — | NA |
| Petroleum workers | 12 | 18 | 0.79 (0.38, 1.67) | 0.80 (0.38, 1.69) | NA | — | — | NA |
| Printers | 175 | 230 | 0.95 (0.78, 1.17) | 0.96 (0.75, 1.24) | 0.95 (0.68, 1.33) | 1.13 (0.80, 1.60) | 1.11 (0.75, 1.63) | 1.24 (0.56, 2.73) |
| Pulp & paper workers | 16 | 24 | 0.79 (0.42, 1.50) | 1.17 (0.55, 2.47) | 0.24 (0.05, 1.13) | — | — | NA |
| Teachers | 871 | 1,201 | 0.89 (0.81, 0.98) | 0.88 (0.76, 1.03) | 0.88 (0.78, 0.99) | 0.90 (0.79, 1.03) | 0.94 (0.76, 1.17) | 0.87 (0.74, 1.04) |
| 131: University and higher education teachers | 189 | 274 | 0.75 (0.61, 0.90) | 0.75 (0.57, 0.97) | 0.76 (0.57, 1.01) | 0.86 (0.65, 1.13) | 0.97 (0.67, 1.40) | 0.73 (0.48, 1.13) |
| 132: Secondary education teachers | 223 | 344 | 0.82 (0.69, 0.98) | 0.91 (0.70, 1.18) | 0.75 (0.59, 0.95) | 0.81 (0.65, 1.03) | 1.03 (0.73, 1.45) | 0.67 (0.49, 0.92) |
| 13940: Head teacher | 29 | 15 | 2.16 (1.15, 4.06) | 2.19 (1.02, 4.71) | — | — | — | — |
| 13990: Other teachers | 32 | 56 | 0.63 (0.40, 0.98) | 0.49 (0.24, 1.02) | 0.73 (0.42, 1.28) | — | — | — |
| Textile workers | 728 | 773 | 1.07 (0.96, 1.20) | 1.07 (0.86, 1.33) | 1.08 (0.95, 1.24) | 1.16 (0.98, 1.36) | 1.05 (0.76, 1.43) | 1.23 (1.02, 1.50) |
| 793: Milliners and hatmakers | 27 | 14 | 2.46 (1.28, 4.74) | — | — | — | — | — |
| Welders | 174 | 198 | 1.03 (0.83, 1.27) | 1.01 (0.80, 1.27) | 1.06 (0.66, 1.71) | 1.01 (0.69, 1.48) | 0.91 (0.61, 1.36) | — |
| Wood workers | 326 | 352 | 1.04 (0.89, 1.22) | 1.04 (0.88, 1.23) | 0.97 (0.58, 1.63) | 1.06 (0.83, 1.36) | 1.00 (0.78, 1.29) | — |
| 95410: Carpenter, general | 98 | 74 | 1.42 (1.04, 1.93) | 1.40 (1.03, 1.92) | NA | 1.19 (0.71, 2.00) | 1.18 (0.71, 1.99) | NA |
| Abbreviations: —, < 10 cases or < 10 controls; NA, 0 cases or controls; aResults are not presented for the undertakers occupational group because they included < 10 cases or < 10 controls. bResults are presented for a specific occupational title within an occupational group if there was a statistically significantly increased or decreased risk of NHL associated with ever or > 10 years employment for men and women combined; results are excluded when there were < 10 cases or < 10 controls. cAdjusted for age, sex, and study center. | ||||||||