Table 4.

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

Time Point	Catatonic			Anhedonic			Melancholic
	β	95% CI	P	β	95% CI	P	β	95% CI	P
Pain
Baseline	−1.51	−5.06, 2.04	0.404	0.39	2.31, 3.09	0.779	0.47	−3.68, 4.62	0.824
Year One	−0.14	−3.96, 3.68	0.942	0.57	−2.32, 3.46	0.701	1.33	−3.40, 6.05	0.582
Year Two	−0.33	−4.34, 3.69	0.873	0.95	−2.18, 4.08	0.551	4.25	−0.45, 8.95	0.077
Year Three	−0.17	−4.07, 3.72	0.932	−0.64	−3.58, 2.30	0.668	2.98	−2.49, 8.44	0.286
Year Four	0.82	−3.34, 4.98	0.699	−0.31	−3.18, 2.55	0.830	4.79	−1.77, 11.35	0.152
Disability
Baseline	1.27	−2.07, 4.60	0.457	0.48	−2.17, 3.12	0.723	2.80	−1.84, 7.44	0.237
Year One	0.58	−3.12, 4.27	0.760	1.24	−1.60, 4.08	0.393	2.76	−1.74, 7.27	0.230
Year Two	−0.54	−4.26, 3.19	0.778	−0.08	−2.80, 2.64	0.954	4.82	0.31, 9.33	0.037
Year Three	−0.01	−3.57, 3.54	0.994	0.14	−2.68, 2.96	0.921	6.56	1.72, 11.40	0.008
Year Four	1.21	−2.92, 5.34	0.567	0.31	−2.32, 2.94	0.817	5.35	−0.90, 11.60	0.094