Table 1.

Characteristics of CoSMO Participants by the SRRS Score, 2007–2008^a

	SRRS Scores
	Low (n = 1,232)		Medium (n = 495)		High (n = 90)
	Mean (SD)	%	Mean (SD)	%	Mean (SD)	%
Life events, no.b	2.9 (1.5)		6.9 (1.8)		12.1 (2.6)
Age ≥75 years		56.7		51.9		41.1*
Women		58.7		61.8		60.0
Married		56.4		51.5		53.3
High school graduate		80.4		80.8		77.8
Black race		25.2		33.3		45.6*
Hypertension duration ≥10 years		61.8		65.5		64.4
Comorbid index score ≥2		55.5		57.4		63.3
Body mass index ≥25 kg/m2 c		74.9		76.8		83.2
Uncontrolled blood pressured		29.8		30.3		39.8
Depressive symptoms		9.6		18.4		34.4*

Abbreviations: CoSMO, Cohort Study of Medication Adherence among Older Adults; SD, standard deviation; SRRS, Holmes Rahe Social Readjustment Rating Scale.

* P < 0.001.

^a All measures were collected at the time corresponding to the 1-year follow-up survey.

^b Life events over the last year were measured by using the Holmes Rahe Social Readjustment Rating Scale, and scores are categorized as low (<150), medium (150–299), or high (≥300).

^c Body mass index: weight (kg)/height (m)².

^d Uncontrolled blood pressure was defined as systolic/diastolic blood pressure ≥140/90 mm Hg.