Table 1

Demographics of the baseline cohort (n=430)

	Cabarrus N=76	Durham N=179	Mingo N=151	Quitman N=24	Overall N=430
Age, years
<35	2 (2.6%)	3 (1.7%)	2 (1.3%)	0 (0.0%)	7 (1.6%)
35–65	62 (81.6%)	141 (78.8%)	96 (63.6%)	10 (41.7%)	309 (71.9%)
>65	12 (15.8%)	35 (19.6%)	53 (35.1%)	14 (58.3%)	114 (26.5%)
Overall
Mean (SD)	56.2 (9.9)	56.6 (11.5)	61.0 (11.1)	68.5 (12.2)	58.7 (11.6)
Median (Q1, Q3)	56.0 (51.5, 63.0)	56.0 (49.0, 64.0)	61.0 (53.0, 69.0)	66.5 (59.5, 75.5)	59.0 (51.0, 66.0)
Min–max	29–77	23–89	33–84	47–96	23–96
Male	39 (51.3%)	79 (44.1%)	67 (44.4%)	9 (37.5%)	194 (45.1%)
Female	37 (48.7%)	100 (55.9%)	84 (55.6%)	15 (62.5%)	236 (54.9%)
Ethnicity
Hispanic or Latino	4 (5.3%)	14 (7.9%)	1 (0.7%)	0 (0.0%)	19 (4.4%)
Not Hispanic or Latino	72 (94.7%)	163 (92.1%)	150 (99.3%)	24 (100.0%)	409 (95.6%)
Not reported/missing	0	2	0	0	2
Race
White	41 (53.9%)	18 (10.1%)	144 (95.4%)	7 (29.2%)	210 (48.8%)
African-American	35 (46.1%)	145 (81.0%)	7 (4.6%)	17 (70.8%)	204 (47.4%)
Other	0 (0.0%)	16 (8.9%)	0 (0.0%)	0 (0.0%)	16 (3.7%)
Not reported/missing	0	0	0	0	0
Living arrangement
Alone	11 (14.5%)	51 (29.3%)	37 (24.7%)	9 (37.5%)	108 (25.5%)
Not alone	65 (85.5%)	123 (70.7%)	113 (75.3%)	15 (62.5%)	316 (74.5%)
Not reported/missing	0	5	1	0	6
Health literacy
3rd grade or below	8 (12.1%)	12 (10.2%)	13 (9.1%)	4 22.2%)	37 (10.7%)
Above 3rd grade	58 (87.9%)	106 (89.8%)	130 (90.9%)	14 (77.8%)	308 (89.3%)
Not reported/missing	10	61	8	6	85
Insurance
With	60 (78.9%)	134 (74.9%)	143 (94.7%)	24 (100.0%)	361 (84.0%)
Without	16 (21.1%)	45 (25.1%)	8 (5.3%)	0 (0.0%)	69 (16.0%)
Not reported/missing	0	0	0	0	0