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Table 3 Cox Proportional Hazards Models for Years Until Cessation of Work Activities Until Age 65, among Persons with a Work History

From: Work life of persons with asthma, rhinitis, and COPD: A study using a national, population-based sample

 

Hazard Ratio (95% CI)

Model

COPD

Asthma

Rhinitis

Non- Respiratory

No Chronic Conditions

Disease Categories and Age

1.99 (1.66, 2.39)

1.48 (1.13, 1.94)

1.34 (1.06, 1.69)

1.33 (1.12, 1.57)

ref.

Disease Categories, Age, and Demographic Characteristics1

1.86 (1.55, 2.23)

1.46 (1.12, 1.92)

1.37 (1.08, 1.73)

1.28 (1.08, 1.52)

ref.

Disease Categories, Age, and Demographic and Work Characteristics2

1.83 (1.52, 2.21)

1.45 (1.11, 1.90)

1.37 (1.08, 1.73)

1.28 (1.08, 1.51)

ref.

  1. 1 Demographic characteristics include gender, race/ethnicity, marital status, and extent of formal education
  2. 2 Work characteristics include occupation, industry, and exposure to vapors, gases, dust, or fumes