Table 3.
Descriptive data on subscales and complete PACIC scale (Study sample; n = 2681)
| Scale | Missing % | Floor/Ceilinga % | Mean (SD) (range 1–5) | Median (range 1–5) | IQRc |
|---|---|---|---|---|---|
| Patient activation (3 items; no missing items allowed) | 1.5 | 17.2/4.7 | 2.54 (1.21) | 2.3 | 1.7–3.3 |
| Delivery system design/decision support (3 items; no missing items allowed) | 1.5 | 5.7/5.3 | 3.12 (1.06) | 3.3 | 2.3–4.0 |
| Goal setting/tailoring (5 items; 1 missing item allowed) | 0 | 12.7/0.6 | 2.25 (0.93) | 2.2 | 1.4–2.8 |
| Problem solving/contextual (4 items; 1 missing item allowed) | 0.4 | 20.2/2.6 | 2.29 (1.10) | 2.0 | 1.3–3.0 |
| Follow up/coordination (5 items; 1 missing item allowed) | 0.1 | 24.9/0.3 | 1.79 (0.76) | 1.6 | 1.2–2.2 |
| PACIC total score (20 items; 3 missing items allowed) | 0.1 | 2.8/0.1 (17.8/0.9b) | 2.32 (0.84) | 2.3 | 1.7–2.9 |
aFloor and ceiling effects = percent of respondents attaining minimum or maximum scores (1/5)
bFloor and ceiling effects = percent of respondents attaining PACIC total scores < 1.5/> 4.5
cInterquartile range (IQR) = first to third quartile