Table 1.
Baseline Sociodemographic and Clinical Characteristics by Intervention Status
| Overall N (n = 302) | bCBT (n = 180) | EUC (n = 122) | |
|---|---|---|---|
| Age (M, SD) | 65.5 (SD 8.6) | 64.9 (SD 8.8) | 66.5 (SD 8.3) |
| Education | |||
| High school or less | 123 (40.7%) | 73 (40.6%) | 50 (41.0%) |
| Some college | 134 (44.4%) | 80 (44.4%) | 54 (44.3%) |
| College graduate | 45 (14.9%) | 27 (15.0%) | 18 (14.8%) |
| Male sex | 285 (94.4%) | 169 (93.8%) | 116 (95.1%) |
| Race/ethnicity | |||
| Non-Hispanic white | 205 (67.8%) | 120 (66.7%) | 85 (69.7%) |
| African American | 69 (22.9%) | 42 (23.3%) | 27 (22.1%) |
| Hispanic | 8 (2.7%) | 3 (1.7%) | 5 (4.1%) |
| Other | 20 (6.6%) | 15 (8.3%) | 5 (4.1%) |
| Living status | |||
| Alone | 70 (23.2%) | 35 (19.4%) | 35 (28.7%) |
| Spouse | 169 (56.0%) | 108 (60.0%) | 61 (50.0%) |
| Family/other | 63 (20.8%) | 37 (20.6%) | 26 (21.3%) |
| Marital status | |||
| Married | 185 (61.3%) | 116 (64.4%) | 69 (56.6%) |
| Not married | 117 (38.7%) | 64 (35.6%) | 53 (43.4%) |
| Income | |||
| Less than $20 k | 104 (34.7%) | 67 (37.4%) | 37 (30.6%) |
| $20–$39 k | 107 (35.7%) | 61 (34.1%) | 46 (38.0%) |
| $40 + k | 89 (29.7%) | 51 (28.5%) | 38 (31.4%) |
| Chronic cardiopulmonary condition | |||
| COPD only | 187 (61.9%) | 112 (62.2%) | 75 (61.5%) |
| Heart failure only | 75 (24.8%) | 44 (24.4%) | 31 (25.4%) |
| Both | 40 (13.2%) | 24 (13.3%) | 16 (13.1%) |
| COPD/HF functional impairmenta | |||
| Mild | 66 (21.9%) | 43 (23.9%) | 23 (18.9%) |
| Moderate | 146 (48.3%) | 84 (46.7%) | 62 (50.8%) |
| Severe | 90 (29.8%) | 53 (29.4%) | 37 (30.3%) |
| PHQ-9 | |||
| Total score (M, SD) | 14.2 (SD 4.8) | 13.8 (SD 4.6) | 14.9 (SD 5.1) |
| N and % above cutoffb | 264 (87.4%) | 155 (86.1%) | 109 (89.3%) |
| BAI | |||
| Total score (M, SD) | 22.0 (SD 9.6) | 21.4 (SD 8.9) | 22.9 (SD |
| N and % above cutoff‡ | 228 (75.5%) | 138 (76.7%) | 10.7) 90 (73.8%) |
| N and % meeting both PHQ-9 and BAI criteria‡ | 190 (62.9%) | 113 (62.8%) | 77 (63.1%) |
| N and % with a depression or anxiety diagnosis | 180 (59.6%) | 108 (60.0%) | 72 (59.0%) |
| N and % with depression or anxiety medication | 103 (34.1%) | 58 (32.2%) | 45 (36.9%) |
aFunctional impairment defined by MRC and NYHA criteria. Mild = MRC scores of 3 or NYHA score of 2; moderate = MRC score of 4 or NYHA score of 3; severe = MRC score of 5 or NYHA score of 4
bCutoff score is 10 for PHQ-9 and 16 for BAI
cDiagnoses assessed using the MINI depression and anxiety subscales
dDepression and anxiety medication assessed for new medications or changes to existing medications during the 90 days prior to baseline
PHQ-9, Patient Health Questionnaire; BAI, Beck Anxiety Inventory; M, mean
SD, standard deviation; MRC, Medical Research Council; NYHA, New York Heart Association; bCBT = brief CBT; EUC = enhanced usual care