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. Author manuscript; available in PMC: 2017 Aug 1.
Published in final edited form as: Semin Arthritis Rheum. 2016 Mar 3;46(1):20–26. doi: 10.1016/j.semarthrit.2016.02.006

Table 1.

Characteristics of participants by sex.

1a. Characteristics of subjects with non-missing Femur shape modes
Baseline Characteristics Men Women Overall P-value
(N= 147) (N= 192) (N= 339)
Age of enrollment 52.7 +/− 4.3 52.8 +/− 4.4 52.7 +/− 4.3 0.84
White 126 (85.7) 148 (77.1) 274 (80.8) 0.05
BMI 27.7 +/− 4.2 26.5 +/− 5.2 27.0 +/− 4.8 0.02
Knee injury that caused immobility for 2 days 61 (41.8) 69 (36.3) 130 (38.7) 0.31
College education or higher 109 (75.2) 124 (65.3) 233 (69.6) 0.05
Modified Charlson Comorbidity score 0.19 +/− 0.66 0.22 +/− 0.53 0.2 +/− 0.59 0.14
1b. Characteristics of subjects with non-missing Tibia shape modes
Baseline Characteristics Men Women Overall P-value
(N= 149) (N= 191) (N= 340)
Age of enrollment 52.7 +/− 4.3 52.7 +/− 4.3 52.7 +/− 4.3 0.88
White 127 (85.2) 146 (76.4) 273 (80.3) 0.04
BMI 27.7 +/− 4.2 26.5 +/− 5.2 27.0 +/− 4.8 0.02
Knee injury that caused immobility for 2 days 62 (41.9) 69 (36.5) 131 (38.9) 0.31
College education or higher 110 (74.8) 124 (65.6) 234 (69.6) 0.07
Modified Charlson Comorbidity score 0.18 +/− 0.7 0.2 +/− 0.5 0.21 +/− 0.59 0.58