Table 3.

Prevalence ratios (95% CI) for activity limitation from log-Poisson regression analyses by index condition.

		Cardiovascular disease (n = 29,281)	Diabetes (n = 8,100)	Respiratory disease (n = 13,206)
Comorbid condition
	Arthritis	1.60 (1.53 - 1.67)	1.51 (1.40 - 1.62)	1.38 (1.30 - 1.47)
	Back problems	1.46 (1.41 - 1.52)	1.36 (1.28 - 1.45)	1.44 (1.36 - 1.52)
	Cardiovascular disease	-	1.24 (1.15 - 1.35)	1.09 (1.03 - 1.15)
	Diabetes	1.15 (1.10 - 1.20)	-	1.00 (0.94 - 1.06)
	Respiratory disease	1.25 (1.20 - 1.30)	1.17 (1.09 - 1.26)	-
	Other chronic conditions	1.20 (1.12 - 1.29)	1.17 (0.97 - 1.41)	0.92 (0.83 - 1.02)
Age (years) (ref: 20-29)
	30-39	0.79 (0.60 - 1.04)	1.79 (0.66 - 4.87)	1.11 (0.98 - 1.26)
	40-49	1.01 (0.78 - 1.29)	2.11 (0.78 - 5.68)	1.32 (1.17 - 1.50)
	50-59	0.97 (0.76 - 1.24)	2.04 (0.76 - 5.47)	1.42 (1.26 - 1.60)
	60-69	0.98 (0.77 - 1.25)	2.17 (0.81 - 5.83)	1.47 (1.31 - 1.65)
	70-79	1.12 (0.88 - 1.43)	2.31 (0.86 - 6.20)	1.55 (1.37 - 1.74)
	80+	1.42 (1.11 - 1.81)	2.88 (1.07 - 7.73)	1.88 (1.67 - 2.12)
Gender (ref: male)
	Female	0.93 (0.89 - 0.97)	0.98 (0.92 - 1.05)	1.00 (0.95 - 1.06)
Race (ref: white)
	Visible minority	0.85 (0.78 - 0.93)	0.88 (0.77 - 1.01)	0.94 (0.84 - 1.05)
Education (ref: more than high school)
	High school or less	0.97 (0.93 - 1.01)	0.99 (0.92 - 1.05)	0.98 (0.93 - 1.04)
Income (ref: >$80,000)
	<$15,000	1.33 (1.23 - 1.44)	1.26 (1.09 - 1.46)	1.42 (1.29 - 1.56)
	$15,000-$29,999	1.23 (1.14 - 1.33)	1.21 (1.05 - 1.39)	1.30 (1.18 - 1.42)
	$30,000-$49,999	1.18 (1.09 - 1.27)	1.14 (0.99 - 1.31)	1.19 (1.08 - 1.31)
	$50,000-$79,999	1.12 (1.03 - 1.21)	0.98 (0.98 - 1.14)	1.12 (1.02 - 1.23)
BMI (ref: normal weight)
	Underweight	1.23 (1.05 - 1.43)	1.25 (0.96 - 1.63)	1.27 (1.07 - 1.50)
	Overweight/obese	1.09 (1.04 - 1.13)	1.12 (1.02 - 1.22)	1.19 (1.12 - 1.27)