Table 2.
Bivariate Spearman′s Rank Correlations (p-value) Between Variables in Theoretical Model (columns 1−4), Mean Score ± Standard Deviation (SD) by Survey Instrument (column 5)
| Survey instrument | (1) | (2) | (3) | (4) | (5) |
|---|---|---|---|---|---|
| Perceived Expectancies Index (PEI) | Use of self-care services | Morisky Medication Adherence Scale (MMAS) | Short IBD Questionnaire (SIBDQ) | Mean score ± SD | |
| PAM | 0.44 (< 0.0001) | 0.16 (0.02) | 0.04 (0.54) | 0.35 (< 0.0001) | 55.7 ± 14.2 |
| PEI | – | 0.15 (0.03) | 0.05 (0.47) | 0.60 (< 0.0001) | 34.2 ± 8.1 |
| Self-care | – | – | -0.03 (0.63) | -0.03 (0.71) | 1.1 ± 1.1 |
| MMAS | – | – | – | 0.12 (0.07) | 3.1 ± 1.1 |
| SIBDQ | – | – | – | – | 45.9 ± 13.9 |
Abbreviations: PEI = Perceived Expectancies Index; MMAS = Morisky Medication Adherence Scale
PAM = Patient Activation Measure; SIBDQ = Short Inflammatory Bowel Disease Questionnaire