TABLE 2.
PHQ-2 and Patient-reported Outcomes Over Time
| Outcome* † | Baseline M (SD) |
12 mo M (SD) |
Change (95% CI) | P | Effect Size (Cohen’s d) |
|---|---|---|---|---|---|
| PHQ-2 (0‒6) | 0.40 (1.12) | 0.23 (0.82) | −0.17 (0.09, 0.25) | <0.001 | −0.15 |
| Well-being | |||||
| Life satisfaction (0‒10) | 6.37 (1.98) | 6.56 (1.93) | 0.18 (0.05, 0.30) | 0.005 | 0.09 |
| Purpose in life (6‒30) | 22.99 (4.62) | 22.71 (4.7) | −0.32 (−0.57, −0.06) | 0.015 | −0.07 |
| Social health (1–5) | 3.47 (1.20) | 3.47 (1.19) | −0.01 (−0.07, 0.05) | 0.721 | −0.01 |
| Functioning | |||||
| PEG Pain (0–10) | 6.17 (2.36) | 6.19 (2.31) | 0.01 (−0.12, 0.14) | 0.864 | 0.00 |
| PROMIS Physical Health Functioning‡ | 38.53 (7.77) | 38.39 (7.51) | −0.03 (−0.40, 0.33) | 0.857 | 0.00 |
| PROMIS Mental Health Functioning‡ | 43.43 (9.09) | 43.54 (9.05) | 0.27 (−0.14, 0.68) | 0.203 | 0.03 |
| Perceived Stress (4‒20) | 5.7 (3.17) | 5.56 (3.19) | −0.12 (−0.31, 0.07) | 0.205 | −0.04 |
*
Numbers in parentheses indicate the minimum to a maximum range of scale scores, with bolded numbers indicating the worst score.
†
Values in the table represent those with complete data at baseline and 12 months. Baseline values were as follows: life satisfaction: M=6.14 (SD=2.02); purpose in life: M=22.46 (SD=4.77); social health: M=3.37 (SD=1.17); PEG: M=6.39 (SD=2.34); physical health functioning: M=37.73 (SD=7.44); mental health functioning: M=41.81 (SD=9.36); perceived stress: M=6.14 (SD=3.27).
‡
For PROMIS scales, 50 represents the population norm with lower scores indicating worse functioning and 10 representing 1 SD.