Table 1. Baseline characteristics of Jackson Heart Study participants taking antihypertensive medication by persistent blood pressure control status.

Characteristics	Persistent blood pressure control
	Yes n = 785	No n = 819
Demographic
Age in years, mean (SD)	57.1 (9.8)	60.6 (10.2)
Men, %	28.8	31.9
Income <$25,000 per year, %	32.4	41.3
Less than high school education, %	14.7	22.1
Married, %	57.7	54.9
Clinical factors
Systolic blood pressure, mean (SD)	122 (10)	138 (16)
Diastolic blood pressure, mean (SD)	74.1 (7.6)	77.9 (9.4)
Number of antihypertensive medication classes, %
1	27.0	30.2
2	45.2	40.2
3	19.4	19.8
≥4	8.4	9.9
Body mass index < 25 kg/m2, %	6.9	8.7
Ideal glycemic control, %	31.3	30.9
Behavioral factors
Adherence to antihypertensive medication, %	78.7	71.2
Cigarette smoking, no, %	91.6	91.9
Alcohol consumption, no, %	59.0	62.3
Ideal physical activity, %	20.3	17.3
Access to health care
Health insurance, %	91.1	89.0
Healthcare visit in the past year, %	86.1	84.8
Difficulty in obtaining health services, %	27.1	27.2
Psychosocial factors
Stress, %
Low	35.1	31.9
Moderate	31.9	34.6
High	33.0	33.5
Depressive symptoms, %	19.0	23.4
Anger-in, %
Low	37.0	34.6
Moderate	36.2	34.4
High	26.8	31.0
Anger-out, %
Low	32.2	30.4
Moderate	40.7	37.9
High	27.1	31.8
Daily discrimination, %
Quartile 1 (low)	26.0	27.5
Quartile 2	21.0	21.7
Quartile 3	28.1	25.8
Quartile 4 (high)	24.9	25.0

SD = standard deviation.

Stress scale tertile cut points: low (0–31), moderate (32–80), high (81–482)

Anger-in scale tertile cut points: low (8–11), moderate (12–14), high (15–28)

Anger-out scale tertile cut points: low (8–10), moderate (11–13), high (14–29)

Daily discrimination scale quartile cut points: quartile 1 (1.00–1.32), quartile 2 (1.33–1.76), quartile 3 (1.77–2.54), quartile 4 (2.55–7.00).