TABLE 1.
Background and Demographic Characteristics of the Sample
| Variable | ACT Group (n = 61) | Supportive Psychotherapy Group (n = 63) | Full Cohort (n = 124) |
|---|---|---|---|
|
| |||
| Demographics | |||
| Age | 35.3 (SD = 11.9) | 35.5 (SD = 11.1) | 35.4 (SD = 11.5) |
| Sex (F), n (%) | 46 (75) | 41 (65) | 87 (70) |
| Race/ethnicity, n (%) | |||
| White | 55 (90) | 54 (86) | 109 (88) |
| African-American | 0 | 2 (3) | 2 (2) |
| Hispanic | 3 (5) | 0 | 3 (2) |
| Asian/Pacific Islander | 2 (3) | 0 | 2 (2) |
| Other/did not respond | 1 (2) | 7 (11) | 8 (6) |
| Married or cohabitating, n (%) | 29 (48) | 29 (46) | 58 (47) |
| Self-reported income (per year), n (%) | |||
| < $15,000 | 7 (11) | 11 (17) | 18 (15) |
| $15–30,000 | 12 (20) | 8 (13) | 20 (16) |
| $30–75,000 | 14 (23) | 14 (22) | 28 (23) |
| > $75,000 | 27 (44) | 25 (40) | 52 (42) |
| Did not respond | 1 (2) | 5 (8) | 6 (5) |
| Education, n (%) | |||
| High school/vocational school | 7 (11) | 4 (6) | 11 (9) |
| Some college | 15 (25) | 12 (19) | 27 (22) |
| College degree | 16 (26) | 29 (46) | 45 (36) |
| Professional or graduate degree | 22 (36) | 13 (21) | 35 (28) |
| Did not respond | 1 (2) | 5 (8) | 6 (5) |
| Current psychotropic use (y), n (%) | 40 (66) | 34 (55) | 74 (60) |
| Prior therapy participation (y), n (%) | 46 (75) | 42 (68) | 88 (72) |
| Clinical variables | |||
| Forced expiratory volume (liters) | 3.06 (SD = 1.38) | 2.83 (SD = 1.13) | 2.93 (SD = 1.24) |
| < 2, n (%) | 17 (28) | 15 (24) | 32 (26) |
| 2–3, n (%) | 19 (31) | 27 (43) | 36 (29) |
| 3–4, n (%) | 12 (20) | 17 (27) | 29 (23) |
| ≥ 4, n (%) | 10 (16) | 4 (6) | 14 (11) |
| Forced expiratory volume (%) | 79.8 (SD = 29.3) | 74.2 (SD = 21.5) | 76.7 (SD = 25.2) |
| FVC (liters) | 3.75 (SD = 1.1) | 3.74 (SD = 0.94) | 3.74 (SD = 1.01) |
| FVC (%) | 85.0 (SD = 20.7) | 82.2 (SD = 21.5) | 83.5 (SD = 20.9) |
| Body mass index (kg/m2) | 24.0 (SD = 4.8) | 24.0 (SD = 4.8) | 24.0 (SD = 4.8) |
| Current CFTR modulator use, n (%) | 43 (68) | 40 (66) | 83 (67) |
| Psychosocial functioning | |||
| BDI-II | 20.5 (SD = 8.8) | 16.7 (SD = 10.6) | 18.6 (SD = 9.9) |
| BAI | 14.8 (SD = 8.5) | 12.7 (SD = 9.9) | 13.8 (SD = 9.3) |
| AAQ-II | 26.8 (SD = 8.9) | 23.4 (SD = 10.7) | 25.1 (SD = 9.9) |
| CFQ | 51.9 (SD = 11.4) | 46.6 (SD = 13.5) | 49.2 (SD = 12.7) |
| Cognitive Flexibility Scale | 23.0 (SD = 5.4) | 25.2 (SD = 5.4) | 24.1 (SD = 5.5) |
| Grit | 3.1 (SD = 0.7) | 3.5 (SD = 0.6) | 3.3 (SD = 0.7) |
| Over-vs-under control | 2.5 (SD = 0.2) | 2.6 (SD = 0.9) | 2.5 (SD = 0.9) |
| Avoidant coping | 2.6 (SD = 0.9) | 2.6 (SD = 0.9) | 2.6 (SD = 0.9) |
| Support seeking | 3.1 (SD = 1.0) | 3.2 (SD = 0.9) | 3.1 (SD = 0.9) |
| Acceptance | 3.1 (SD = 0.8) | 3.2 (SD = 0.8) | 3.2 (SD = 0.8) |
| Resignation | 1.6 (SD = 0.7) | 1.5 (SD = 0.7) | 1.5 (SD = 0.7) |
AAQ = Acceptance and Action Questionnaire; ACT = acceptance and commitment therapy; BAI = Beck Anxiety Inventory; BDI = Beck Depression Inventory; CFQ = Cognitive Fusion Questionnaire; CFTR = cystic fibrosis transmembrane regulator; FVC, forced vital capacity.
Income was assessed by asking participants, “What is your combined gross family income?” Continuous data are described using SD. Categorical data are described using n (%).