Table 1.

Demographic and disease-related characteristics of individuals with osteoarthritis.

CharacteristicsOntario Hip/Knee Arthritis Cohort, n = 26Patients from the Broader Community, n = 23Total, n = 49
Sex, female, n (%)22 (84.6)19 (82.6)41 (83.7)
Mean age, yrs (SD)54.23 (11.83)52.22 (12.09)53.3 (11.9)
Mean disease duration, yrs (SD)9.65 (7.87)14.78 (9.21)12.1 (8.8)*
Pain intensity, n (%)
  None0 (0)0 (0)0 (0)
  Mild10 (40)3 (14.3)13 (28.3)
  Moderate12 (48)15 (71.4)27 (58.7)
  Severe3 (12)2 (9.5)5 (10.9)
  Extreme0 (0)1 (4.8)1 (2.2)
Effect of pain on function, n (%)
  None5 (20)0 (0)5 (10.9)
  Mild6 (24)3 (14.3)9 (19.6)
  Moderate12 (48)12 (57.1)24 (52.2)
  Severe2 (8)5 (23.8)7 (15.2)
  Extreme0 (0)1 (4.8)1 (2.2)
Education level, n (%)
  Less than a college degree2 (7.7)4 (17.4)6 (12.2)
  College diploma6 (23.1)3 (13.0)9 (18.4)
  University undergraduate degree14 (53.8)12 (52.2)26 (53.1)
  University graduate degree4 (15.4)4 (17.4)8 (16.3)
  • * p value < 0.05, from chi square test for categorical variables, and independent t test for continuous variables.