Table 3.

Self-reported comorbidities

Comorbidity	Has problem (%)	Receives treatment (%)	Limits activity (%)
Back pain	342 (45)	142 (19)	226 (30)
Osteoarthritis	253 (34)	129 (17)	185 (25)
High blood pressure	235 (31)	226 (30)	22 (3)
Depression	148 (20)	117 (16)	63 (8)
Diabetes	77 (10)	63 (8)	11 (1)
Rheumatoid arthritis	70 (9)	40 (5)	51 (7)
Lung disease	29 (4)	23 (3)	18 (2)
Cancer	18 (2)	13 (2)	5 (<1)
Kidney disease	14 (2)	5 (<1)	3 (<1)
Liver disease	4 (<1)	1 (<1)	0
Ulcer or stomach disease	37 (5)	32 (4)	7 (1)
Other condition 1	372 (49)	280 (37)	150 (20)
Other condition 2	140 (19)	95 (13)	60 (8)
Other condition 3	48 (6)	30 (4)	20 (3)