Table 1 Sample Characteristics (Baseline, n = 116)

Age (mean, SD, median, IQR)

72.0 (5.8, 70.59, 67.5–75.5)

73.4 (5.9, 71.4, 69.6–76.5)

72.9 (3.6, 75.3, 70.2–75.9)

Female (n)

37

51

7

<High School (n)

1

2

0

African-American (n)

32

55

8

Monthly Individual Income (n)

<$2000/month

$2000–3999/month

$4000–5999/month

$6000+

Missing

19

12

3

7

5

32

21

7

1

1

4

3

1

0

0

Charlson Score (mean, SD, median, IQR)

0.5 (0.9, 0, 0–1)

1.3 (1.6, 1, 0–2)

2.3 (1.2, 2, 2–3)

Polypharmacy (n)

< 5 meds

≥ 5 meds

Missing

35

10

1

35

23

4

4

4

0

Montreal Cognitive Assessment

(mean, SD, median, IQR)

26.0 (2.3, 26, 25–28)

25.5 (2.7, 26, 24–27)

24.5 (2.9, 25.5, 22-26.5)

Body Composition:

Fat-Free mass (%, mean, SD, median, IQR)

Fat-free mass (kg, mean, SD, median, IQR)

Fat mass (kg, mean, SD, median, IQR)

58.0 (7.8, 58.0, 53.1–63.7)

45.4 (9.6, 43.1, 37.8–50.9)

33.4 (12.6, 31.6, 25.2–38.2)

57.3 (9.1, 55.1, 50.3–62.0)

44.0 (7.9, 42.6, 39.1–46.8)

33.7 (10.5, 34.2, 27.2–39.7)

55.2 (10.6, 52.6, 46.8–62.4)

47.9 (8.7, 45.7, 41.3–51.1)

42.1 (19.3, 39.8, 25.9–61.0)

0.43

0.44

0.52

Resting Metabolic Rate

(kcal/day, mean, SD, median IQR)

1292 (205, 1285, 1135–1392)

1262 (200, 1285, 1144–1391)

1298 (170, 1215, 1173–1419)