Table 3.

Disease Outcomes, by Severity of Osteoarthritis and Self-Management Status

	Range	Mild OA		Severe OA
		Sub-optimal (n=162)	Optimal (n=41)	Sub-optimal (n=231)	Optimal (n=58)
Pain*	0–10	5.1	4.3	6.5	6.0
CESD	0–29	6.2	6.3	7.2	6.6
N-IADL	0–5	.7	.7	1.4	1.1
OPS**	2–5	4.0	4.1	3.9	4.1
Networks	2–50	31.5	31.7	32.2	32.9
PCS	11.5–60.8	39.7	39.9	32.3	30.3
MCS	9.5–79.3	54.2	54.6	53.8	51.8

Means adjusted for age, gender, education, race, and number of comorbid conditions

CESD Center for Epidemiological Studies-Depression, N-IADL number of difficulties with instrumental activities, OPS Optimal Primary and Secondary Control Scale, Networks Lubben Social Network Scale, PCS physical component score: SF-36, MCS mental component scale, SF-36

^*p<.05

^**p<.10 in two-way analysis of covariance (OA severity, OA management)