Table 3.

Time-specific differences (Reference=Asymptomatic) in pain and disability by baseline depression subtype among participants at-risk for symptomatic knee OA.

Time Point	Catatonic			Anhedonic			Melancholic
	β	95% CI	P	β	95% CI	P	β	95% CI	P
Pain
Baseline	0.01	−1.74, 1.76	0.994	0.45	−0.73, 1.64	0.451	−1.02	−3.17, 1.12	0.349
Year One	1.54	−0.91, 4.00	0.219	1.59	0.07, 3.12	0.041	2.77	−1.99, 7.53	0.254
Year Two	0.32	−2.02, 2.66	0.790	0.97	−0.62, 2.57	0.231	0.40	−2.73, 3.53	0.802
Year Three	1.66	−0.59, 3.91	0.148	2.28	0.33, 4.22	0.022	2.59	−2.23, 7.42	0.292
Year Four	−0.20	−2.23, 1.84	0.850	1.56	−0.12, 3.23	0.069	1.95	−1.87, 5.77	0.316
Disability
Baseline	−0.26	−1.79, 1.26	0.734	−0.17	−1.17, 0.82	0.737	0.50	−1.78, 2.78	0.667
Year One	0.70	−1.07, 2.48	0.437	1.12	−0.16, 2.40	0.087	4.17	−0.52, 8.86	0.082
Year Two	−0.20	−1.75, 1.34	0.798	1.70	0.17, 3.23	0.030	0.80	−2.19, 3.80	0.599
Year Three	0.32	−1.57, 2.21	0.742	2.63	0.92, 4.35	0.003	1.55	−1.55, 4.64	0.327
Year Four	−1.06	−2.69, 0.57	0.204	1.57	0.00, 3.14	0.050	2.12	−1.73, 5.96	0.281