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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Arthritis Care Res (Hoboken). 2014 Jan;66(1):74–81. doi: 10.1002/acr.22094

Table 2.

Baseline associations between mode scores and race (left) or gender (right)

Mode % Variance Explained Mode score1
↑ or ↓
African American (n=60 persons) OR2 (95% CI) Mode score1
↑ or ↓
Men (n=132 persons) OR3 (95% CI)
1 37.4 1.04 (0.74, 1.45) 3.03 (2.00, 4.55)
2 16.0 1.35 (0.93, 1.92) 1.29 (0.94, 1.77)
3 12.5 1.73 (1.18, 2.53) 1.45 (1.03, 2.04)
4 9.9 1.89 (1.30, 2.77) 2.22 (1.47, 3.33)
5 5.1 1.16 (0.83, 1.61) 1.75 (1.23, 2.44)
6 3.4 1.20 (0.87, 1.63) 1.54 (0.99, 2.38)
7 2.6 1.20 (0.90, 1.61) 1.27 (0.88, 1.82)
8 2.3 1.13 (0.83, 1.54) 1.77 (1.34, 2.35)
9 1.7 1.33 (0.97, 1.83) 1.54 (1.15, 2.04)
10 1.3 1.90 (1.33, 2.72) 1.67 (1.16, 2.38)
11 1.1 1.30 (0.91, 1.89) 1.20 (0.85, 1.72)
12 0.9 1.11 (0.81, 1.52) 1.23 (0.88, 1.71)
13 0.7 1.37 (1.00, 1.85) 1.29 (0.99, 1.69)
14 0.6 1.28 (0.93, 1.76) 1.12 (0.83, 1.52)
1

Association with increase (↑) or decrease (↓) in mode score (e.g. for mode 3, the odds of being African American (compared with white) are 73% higher for every one SD increase in mode 3 score; the odds of being male are 45% higher for every one SD decrease in mode 3 score).

2

Adjusted for sex, age, BMI, baseline KL grade, and case or control status at follow up, referent category=white

3

Adjusted for race, age, BMI, baseline KL grade, and case or control status at follow up, referent category=women