Table 2.

Association between a 1-SD decrease in baseline hip shape modes and prevalent radiographic knee OA.

Mode	% variance in hip shape explained	Ipsilateral		Contralateral
		Right hip/Right knee aOR* (95% CI)	Left hip/Left knee aOR* (95% CI)	Right hip/Left knee aOR* (95% CI)	Left hip/Right knee aOR* (95% CI)
1	37.4	0.87 (0.57, 1.32)	1.17 (0.75, 1.84)	0.78 (0.50, 1.21)	1.31 (0.83, 2.08)
2	16.0	1.74 (1.18, 2.57)	1.06 (0.77, 1.47)	1.22 (0.86, 1.72)	1.35 (0.96, 1.91)
3	12.5	1.46 (1.03, 2.05)	1.50 (1.07, 2.10)	1.19 (0.83, 1.70)	1.78 (1.23, 2.56)
4	9.9	1.00 (0.65, 1.53)	1.08 (0.71, 1.65)	1.05 (0.70, 1.59)	0.99 (0.63, 1.54)
5	5.1	0.96 (0.66, 1.41)	0.97 (0.65, 1.46)	0.99 (0.70, 1.40)	0.77 (0.52, 1.14)
6	3.4	1.03 (0.68, 1.57)	1.40 (0.92, 2.13)	0.92 (0.64, 1.33)	1.17 (0.80, 1.73)
7	2.6	0.85 (0.61, 1.18)	0.76 (0.53, 1.08)	0.89 (0.65, 1.21)	0.76 (0.53, 1.09)
8	2.3	0.97 (0.69, 1.35)	0.65 (0.44, 0.96)	0.97 (0.70, 1.34)	0.71 (0.50, 1.02)
9	1.7	1.31 (0.96, 1.81)	0.80 (0.55, 1.17)	1.21 (0.86, 1.70)	1.04 (0.74, 1.46)
10	1.3	1.02 (0.73, 1.42)	0.70 (0.46, 1.07)	1.04 (0.75, 1.45)	0.73 (0.47, 1.14)
11	1.1	1.06 (0.67, 1.66)	1.15 (0.81, 1.62)	1.01 (0.62, 1.63)	1.27 (0.87, 1.86)
12	0.9	0.86 (0.58, 1.27)	0.74 (0.48, 1.13)	0.97 (0.67, 1.41)	0.83 (0.56, 1.24)
13	0.7	1.03 (0.74, 1.45)	0.83 (0.58, 1.20)	1.01 (0.69, 1.48)	0.96 (0.67, 1.39)
14	0.6	1.08 (0.79, 1.48)	0.65 (0.45, 0.94)	0.95 (0.70, 1.28)	0.87 (0.61, 1.24)

^*Adjusted Odds Ratio, adjusted for age, sex, race, BMI, and hip OA ipsilateral to hip mode score