Skip to main content

Table 1 Descriptive Characteristics of Study Sample (N = 1709)

From: Contributions of symptomatic osteoarthritis and physical function to incident cardiovascular disease

Characteristic Mean (SD) or %
Baseline
% Original cohort 75.6
Demographic
 Mean (SD) Age 59.5 (9.5)
 % Women 63.6
 % African American 27.8
 % with < 12 Years Education 25.9
Health Related
 Mean (SD) Body Mass Index (kg/m2) 29.3 (6.0)
 Mean (SD) Waist to Hip Ratio 0.87 (0.09)
 % Hypertension 32.9
 % Diabetes 8.7
 % High cholesterol 20.8
OA Related
 % Non-steroidal Anti-inflammatory Drug Use 31.5
 % Symptomatic Osteoarthritis 15.4
Function Related
Mean Health Assessment Questionnaire; HAQ (SD) 0.27 (0.47)
 % 0 = HAQ 58.6
 % 0 < HAQ < 1 30.8
 % 1 ≤ HAQ 10.6
Mean (SD) Speed During 8 ft. Walk (m/s) 0.87 (0.26)
Mean (SD) Chair Stand Times (s) 12.2 (4.8)
 % Q1a 20.5
 % Q2 23.1
 % Q3 23.5
 % Q4 27.5
 % Unable to Complete 5.4
Follow-up
 Mean (SD) years to follow-up 5.9 (1.2)
 % Worsened HAQ 33.0
 % Worsened 8 ft. Walk speed 49.6
 % Worsened Chair Stand Time 42.2
 % Incident Cardiovascular Disease 15.9
  1. a5 Chair stand time quartlies defined from the non-exposure subsample without sxKOA at baseline: Males: Q1 (time < =8.4 s), Q2 (8.4 s < time < =10.2 s), Q3 (10.2 s < time < =12.9 s), Q4 (12.9 s < time)"; Females: Q1 (time < =9.0 s), Q2 (9.0 s < time < =11.3 s), Q3 (11.3 s < time < =14.1 s), Q4 (14.1 s < time)
  2. SD standard deviation, OA Osteoarthritis