Table 4.

Odds of RLS, PLMs, and electro-clinical RLS by demographics and obesity categories: The Multi-Ethnic Study of Atherosclerosis 2011–2013

		Electro-clinical RLS	RLS, no PLMs	PLMs, no RLS	No RLS /PLMs	Electro-clinical RLS	RLS, no PLMs	PLMs, no RLS	No RLS /PLMs
		137	328	431	1142	128	308	413	1105
	n	Model 1				Model 2
Race
White	247	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)
Black	93	0.50 (0.31–0.82)	1.04 (0.76–1.42)	0.32 (0.23–0.44)		0.56 (0.32–0.96)	1.04 (0.74–1.47)	0.31 (0.22–0.44)
Hispanic	155	1.38 (0.90–2.13)	1.17 (0.84–1.62)	0.80 (0.60–1.08)		1.55 (0.91–2.65)	1.04 (0.70–1.55)	0.74 (0.52–1.06)
Chinese- American	75	0.45 (0.20–1.03)	0.33 (0.18–0.62)	0.91 (0.61–1.34)		0.67 (0.28–1.64)	0.36 (0.19–0.71)	1.02 (0.66–1.60)
Age
≤67	214	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)
>67	356	1.76 (1.23–2.53)	1.13 (0.88–1.45)	2.29 (1.82–2.89)		1.62 (1.09–2.40)	1.15 (0.87–1.51)	2.19 (1.71–2.81)
Sex
Men	298	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)
Women	272	1.16 (0.81–1.66)	1.74 (1.35–2.26)	0.72 (0.57–0.90)		1.20 (0.81–1.79)	1.71 (1.30–2.26)	0.71 (0.56–0.91)
BMI category
<25	159	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)	1 (ref)
25 to <30	233	1.48 (0.91–2.40)	1.39 (1.00–1.93)	1.07 (0.81–1.43)		1.32 (0.80–2.18)	1.28 (0.91–1.81)	1.06 (0.79–1.42)
≥30	186	1.55 (0.94–2.55)	1.27 (0.91–1.79)	1.13 (0.84–1.54)		1.23 (0.73–2.10)	1.13 (0.79–1.62)	1.14 (0.82–1.56)

Model 1: Race, age, sex, BMI, and site; Model 2: model 1 + physical activity, education, income, smoking status, alcohol consumption, dichotomized CES-D score, and medications. When not the exposure of interest, models were adjusted for the remaining covariates.