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Table 4
Depression and selected characteristics related to new cases1 of work impairment 2 years later, employed 25 to 64 year-olds

  Reduced work due to long-term physical/mental problem At least 1 disability day in previous 2 weeks due to illness or injury
Adjusted odds ratio
Major depressive episode in previous 12 months2 1.44 1.84
Sex
Men 0.9 0.74
Women (ref) 1.0 1.0
Age
25 to 44 0.8 1.0
45 to 64 (ref) 1.0 1.0
Occupation
White-collar 0.8 1.2
Sales or service 0.84 1.0
Blue-collar (ref) 1.0 1.0
Weekly work hours
1 to 29 1.2 0.9
30 to 40 (ref) 1.0 1.0
Over 40 1.0 0.84
Work schedule
Regular day (ref) 1.0 1.0
Regular evening or night 1.3 1.2
Irregular or rotating shift 1.1 1.2
Marital status
Married or common-law (ref) 1.0 1.0
Divorced, separated or widowed 1.2 1.44
Single (never married) 1.34 1.2
Education3
High school graduation or less (ref) 1.0 1.0
Some postsecondary 0.74 1.0
Postsecondary certificate, diploma or degree 0.74 1.0
Household income3
Lowest, lower-middle or middle 1.1 0.9
Upper-middle or highest (ref) 1.0 1.0
Chronic condition2 2.74 1.84
Body Mass Index category3
Underweight or normal (ref) 1.0 1.0
Overweight 1.1 1.1
Obese 1.34 1.44
Low emotional social support2 1.2 0.9
Daily smoker2 1.44 1.2
1 New cases were reported by respondents who had not declared work impairment two years earlier.
2 The reference group is the absence of the particular characteristic.
3 To maximize sample size, the models include a missing values category (odds ratios are not shown for these).
4 Significantly different from the reference group (ref) at less than the 0.05 level.
Note: Some odds ratios with lower/upper confidence interval limits of 1.0 were statistically significant before rounding.
Source: Statistics Canada, National Population Health Survey, 1994-1995 to 2002-2003