Table 1

HRs and 95% CIs for dermatitis by Industry and Occupation Division Groups

Cases (workers)HR (95% CI)†
Industry (Division)*
 (1) Agriculture224 (7959) 0.78 (0.69 to 0.89)
 (2) Forestry33 (1377)0.71 (0.50 to 1.00)
 (4) Mines, quarries and oil wells83 (3025)0.83 (0.67 to 1.02)
 (5) Manufacturing industries4404 (112 487) 1.10 (1.06 to 1.14)
 (6) Construction industry1362 (50 852) 0.79 (0.75 to 0.84)
 (7) Transportation, communication and other utilities1681 (48 474)0.97 (0.92 to 1.02)
 (8) Trade3999 (110 951) 0.95 (0.92 to 0.99)
 (9) Finance, insurance and real estate194 (5460)0.92 (0.80 to 1.06)
 (10) Community, business and personal service industries7558 (181 429)1.02 (0.99 to 1.05)
 (11) Public administration and defense1886 (48 361)1.00 (0.95 to 1.05)
Occupation (Division)‡
 (11) Managerial, administrative and related occupations514 (12 720)0.98 (0.90 to 1.07)
 (21) Occupations in natural sciences, engineering and mathematics291 (7608)1.05 (0.94 to 1.18)
 (23) Occupations in social sciences and related fields542 (11 151) 1.12 (1.03 to 1.22)
 (27) Teaching and related occupations901 (19 039) 1.07 (1.00 to 1.15)
 (31) Occupations in medicine and health1777 (42 982) 0.90 (0.86 to 0.95)
 (33) Artistic, literary, recreational and related occupations248 (5524) 1.16 (1.02 to 1.32)
 (41) Clerical and related occupations2042 (48 636)1.03 (0.98 to 1.08)
 (51) Sales occupations1914 (49 574)0.97 (0.92 to 1.01)
 (61) Service occupations3996 (97 397) 1.04 (1.01 to 1.08)
 (71) Farming, horticultural and animal husbandry occupations370 (12 299) 0.85 (0.76 to 0.94)
 (75) Forestry and logging occupations36 (1154)0.93 (0.67 to 1.28)
 (77) Mining and quarrying including oil and gas field occupations54 (1870)0.88 (0.67 to 1.14)
 (81) Processing occupations534 (13 894)1.06 (0.97 to 1.15)
 (82) Processing occupations859 (20 697) 1.09 (1.02 to 1.17)
 (83) Machining and related occupations1177 (30 682) 1.13 (1.06 to 1.20)
 (85) Product fabricating, assembling and repairing occupations2140 (56 646) 1.07 (1.03 to 1.12)
 (87) Construction trades occupations1358 (49 560) 0.82 (0.77 to 0.87)
 (91) Transport equipment operating occupations1309 (40 639) 0.93 (0.88 to 0.99)
 (93) Materials handling and related occupations NEC908 (25 290)1.03 (0.96 to 1.10)
 (95) Other crafts and equipment operating occupations157 (3668) 1.19 (1.02 to 1.39)
 (99) Occupation not elsewhere classified1303 (36 375)1.01 (0.96 to 1.07)
  • Statistically significant (α=0.05) increased risks are bolded and statistically significant decreased risks are italicised.

  • *(Canadian Standard Industry Classification-80) Industry Division Group.

  • †The risk of contact dermatitis in a particular group relative to all other workers in the cohort, adjusted for birth year and sex.

  • ‡(Canadian Classification Dictionary of Occupations 1971) Occupation Division Group.

  • NEC, not elsewhere.