Table 1

OLAWIS Cohort, demographic and work characteristics, by sample group

All respondents (n=1132)Short duration
(N=358)
Medium duration
(N=374)
Long duration
(n=400)
p value
Age, mean (SD), median47.4 (12.8), 50.045.3 (13.3), 47.047.5 (12.5), 50.049.0 (12.4), 51.00.0004
Male sex, n (%)632 (55.8)192 (53.6)213 (57.0)227 (56.8)0.31
Highest level of education, n (%)
 Some high school89 (7.9)22 (6.2)25 (6.7)42 (10.5)0.02
 High school completed248 (22.0)67 (18.7)91 (24.5)90 (22.5)
 Any postsecondary793 (70.2)269 (75.1)256 (68.8)268 (67.0)
Household income, n (%)
 <$40 k144 (14.4)45 (13.9)52 (16.1)47 (13.2)0.89
 $40–69 k235 (23.4)73 (22.6)66 (20.4)96 (27.0)
 $70–99 k227 (22.6)76 (23.5)77 (23.8)74 (20.8)
 $100–129 k185 (18.4)64 (19.8)54 (16.7)67 (18.8)
 ≥$130 k212 (21.1)65 (20.1)75 (23.2)72 (20.2)
Industry at time of claim, n (%)
 Healthcare and social assistance170 (15.0)68 (19.0)40 (10.7)62 (15.5)0.003
 Construction, utilities, mining, agriculture, forestry156 (13.8)42 (11.7)48 (12.9)66 (16.5)
 Transportation and warehousing147 (13.0)36 (10.1)58 (15.6)53 (13.3)
 Manufacturing142 (12.6)32 (8.9)50 (13.4)60 (15.0)
 Other services (except public administration)139 (12.3)42 (11.7)52 (13.9)45 (11.3)
 Retail, wholesale trade93 (8.2)34 (9.5)35 (9.4)24 (6.0)
 Educational services99 (8.8)43 (12.0)31 (8.3)25 (6.3)
 Accommodationfood services/arts/entertainment87 (7.7)29 (8.1)26 (7.0)32 (8.0)
 Public administration66 (5.8)26 (7.3)21 (5.6)19 (4.8)
 Other32 (2.8)6 (1.7)12 (3.2)14 (3.5)
  • OLAWIS, Ontario Life After Workplace Injury Study.