Table 1.
Baseline characteristics of individuals: optimal and Sub-optimal weight monitoring adherence from self-reported and diary-recorded measures
| Characteristics |
Overall sample (N = 216) |
Self-reported weighing daily or more (N = 184) | Self-reported weighing less than daily (N = 32) | P value | Diary-recorded ≥80% weighing adherence (N = 107) | Diary-recorded <80% weighing adherence (N = 109) | P value |
|---|---|---|---|---|---|---|---|
| Age (mean, SD) |
62.2 (13.9) |
62.4 (13.9) |
61.1 (13.5) |
0.638 |
64.3 (12.6) |
60.1 (14.8) |
0.024 |
| Men (N, %) |
103 (48) |
83 (45) |
20 (63) |
0.069 |
45 (42) |
58 (53) |
0.101 |
| Race/Ethnicity |
|
|
|
|
|
|
|
| White, Non-Hispanic |
80 (37) |
71 (39) |
9 (28) |
0.024 |
47 (44) |
33 (30) |
0.071 |
| Hispanic |
35 (16) |
24 (13) |
11 (34) |
|
12 (11) |
23 (21) |
|
| African American |
87 (40) |
76 (41) |
11 (34) |
|
43 (40) |
44 (40) |
|
| Other |
14 (6) |
13 (7) |
1 (3) |
|
5 (5) |
9 (8) |
|
| NYHA Class (N, %) |
|
|
|
|
|
|
|
| I |
45 (21) |
39 (21) |
6 (19) |
0.536 |
23 (21) |
22 (20) |
0.168 |
| II |
111 (51) |
96 (52) |
15 (47) |
|
61 (57) |
50 (46) |
|
| III |
35 (16) |
27 (15) |
8 (25) |
|
15 (14) |
20 (18) |
|
| IV |
25 (12) |
22 (12) |
3 (9) |
|
8 (7) |
17 (16) |
|
| Study site (N, %) |
|
|
|
|
|
|
|
| UNC |
87 (40) |
80 (43) |
7 (22) |
<0.001a |
56 (52) |
31 (28) |
<0.001 |
| Northwestern University |
66 (31) |
62 (34) |
4 (13) |
|
33 (31) |
33 (30) |
|
| UCSF |
39 (18) |
22 (12) |
17 (53) |
|
6 (6) |
33 (30) |
|
| Olive view, UCLA |
24 (11) |
20 (11) |
4 (13) |
|
12 (11) |
12 (11) |
|
| Socioeconomic status, median (IQR) |
4 (3, 6) |
5 (3,7) |
4 (1, 5) |
0.026b |
4 (2, 6) |
4 (3, 6) |
0.455b |
| Inadequate literacy (N, %) |
74 (34) |
59 (32) |
15 (47) |
0.103 |
30 (28) |
44 (40) |
0.06 |
| Heart failure related QOL: Heart failure symptom scale, median (IQR) |
61 (43, 79) |
61(46, 79) |
59 (43, 75) |
0.272b |
64 (46, 82) |
57 (43, 71) |
0.014b |
| Income level |
|
|
|
|
|
|
|
| <$15,000 |
101 (47) |
79 (43) |
22 (69) |
0.052 |
43 (40) |
58 (53) |
0.098 |
| $15,000-$24,999 |
40 (19) |
34 (18) |
6 (19) |
|
20 (19) |
20 (18) |
|
| >$25,000 |
71 (33) |
67 (36) |
4 (12) |
|
41 (38) |
30 (28) |
|
| Previous MI/Angina (N, %) |
83 (38) |
76 (41) |
7 (22) |
0.037 |
49 (46) |
34 (31) |
0.027 |
| Systolic dysfunction (N, %) |
123 (57) |
112 (61) |
11 (34) |
0.005 |
65 (61) |
58 (53) |
0.263 |
| ACE-Inhibitor or ARB (N, %) |
178 (82) |
154 (84) |
24 (75) |
0.233 |
86 (80) |
92 (84) |
0.437 |
| Beta-Blocker (N, %) |
176 (81) |
153 (83) |
23 (72) |
0.130 |
90 (84) |
86 (79) |
0.324 |
| Thiazide |
22 (10) |
18 (10) |
4 (13) |
0.750 |
10 (9) |
12 (11) |
0.823 |
| Spironolactone |
50 (23) |
46 (25) |
4 (13) |
0.172 |
22 (21) |
28 (25) |
0.425 |
| Telephone calls with educator, median (IQR) |
16 (14, 18) |
16 (15, 18) |
15 (13, 16) |
<0.001b |
17 (16, 18) |
15 (13, 17) |
<0.001b |
| Self-reported weighing daily or more at baseline, (N, %) |
61 (28) |
58 (32) |
3 (9) |
0.005a |
35 (33) |
26 (24) |
0.148 |
| Taught weight-based diuretic self-adjustment | 178 (82) | 152 (83) | 26 (81) | 0.852 | 87 (81) | 91 (83) | 0.674 |
aGroups compared using Fisher’s exact test.
bGroups compared using both t-test and Wilcoxon-Mann–Whitney test.
NYHA: New York Heart Association; MI: Myocardial Infarction; ACE: Angiotensin-Converting Enzyme; ARB: Angiotensin Receptor Blocker; IQR: Interquartile Range; QOL: Quality of Life.