Table 1.

Baseline characteristics of immediate intervention and delayed intervention participants.

Characteristics		All (N=34)	Immediate intervention (n=17)	Delayed intervention (n=17)	P valuea
Women, n (%)		28 (82)	14 (82)	14 (82)	N/Ab
Age in years, mean (SD)		55.5 (8.6)	52.3 (9.7)	58.7 (6.0)	.03
Marital status, n (%)					.40
	Married or common law	25 (74)	11 (65)	14 (82)
	Separated or divorced	5 (15)	4 (24)	1 (6)
	Widowed, never married, or other	4 (12)	2 (12)	2 (12)
Gross annual household income in Can $, n (%)					.52
	≤12,000	2 (6)	1 (6)	1 (6)
	12,001-24,000	1 (3)	0	1 (6)
	24,001-40,000	2 (6)	0	2 (12)
	40,001-60,000	5 (15)	4 (24)	1 (6)
	60,001-80,000	0	0	0
	80,001-100,000	3 (9)	2 (12)	1 (6)
	>100,000	14 (41)	7 (41)	7 (41)
	No answer	7 (21)	3 (18)	4 (24)
OAc diagnosis, n (%)					.73
	Yes	20 (59)	11 (65)	9 (53)
	No, but met the “likely OA” criteria	14 (41)	6 (35)	8 (47)
“In general, would you say your health is…”, n (%)					.15
	Excellent	6 (18)	5 (29)	1 (6)
	Very good	11 (32)	5 (29)	6 (35)
	Good	13 (38)	4 (26)	9 (53)
	Fair	4 (12)	3 (18)	1 (6)
	Poor	0	0	0
“Compared with 1 year ago, how would you rate your health in general now?”, n (%)					.25
	Much better	1 (3)	1 (6)	0
	Somewhat better	1 (3)	0	1 (6)
	About the same	27 (79)	15 (88)	12 (71)
	Somewhat worse	5 (15)	1 (6)	4 (24)
	Much worse	0	0	0
Number of comorbid conditions, median (25th; 75th percentile)		2.5 (2.0; 4.0)	3.0 (2.0; 4.0)	2.0 (2.0; 3.0)	0.53
Body mass index in kg/m2, mean (SD)		27.2 (4.7)	29.1 (4.5)	25.4 (4.2)	0.02

^aP values were based on exact chi-square tests for categorical variables (nonmissing data), and 2-sample t tests for continuous variables.

^bN/A: not applicable.

^cOA: osteoarthritis.