Table 3.
Multivariate Linear Regressions Exploring Variation in Theoretical Model
| Dependent variable | Independent variables | R2 | Prob > F1 | Significant variables |
|---|---|---|---|---|
| PAM | Age, education, IBD yrs | 0.03 | 0.82 | none |
| PEI | Age, education, IBD yrs | 0.07 | 0.09 | education, IBD yrs |
| Use of self-care services | Age, education, IBD yrs + PAM | 0.08 | 0.16 | PAM |
| Age, education, IBD yrs + PEI | 0.06 | 0.37 | none | |
| MMAS | Age, education, IBD yrs + PAM | 0.10 | 0.01 | age, IBD yrs |
| Age, education, IBD yrs + PEI | 0.10 | 0.008 | age, IBD yrs | |
| SIBDQ | Age, education, IBD yrs, self-care, Morisky MAS + PAM | 0.26 | <0.0001 | age, IBD yrs, PAM |
| Age, education, IBD yrs, self-care, Morisky MAS + PEI | 0.50 | <0.0001 | age, IBD yrs, PEI | |
| Age, education, IBD yrs, self-care, Morisky MAS + PAM & PEI | 0.50 | <0.0001 | age, IBD yrs, PEI | |
| SIBDQ Systemic | Age, education, IBD yrs, self-care, MMAS + PAM | 0.17 | 0.001 | age, PAM |
| Age, education, IBD yrs, self-care, MMAS + PEI | 0.28 | <0.001 | age, PEI | |
| SIBDQ Social | Age, education, IBD yrs, self-care, MMAS + PAM | 0.21 | 0.0001 | age, IBD yrs, PAM |
| Age, education, IBD yrs, self-care, MMAS + PEI | 0.36 | <0.0001 | age, IBD yrs, PEI | |
| SIBDQ Bowel | Age, education, IBD yrs, self-care, MMAS + PAM | 0.26 | <0.0001 | age, IBD yrs, PAM |
| Age, education, IBD yrs, self-care, MMAS + PEI | 0.40 | <0.0001 | age, IBD yrs, PEI | |
| SIBDQ Emotional | Age, education, IBD yrs, self-care, MMAS + PAM | 0.23 | <0.0001 | age, IBD yrs, PAM |
| Age, education, IBD yrs, self-care, MMAS + PEI | 0.50 | <0.0001 | age, IBD yrs, PEI, self-care |
Abbreviations: education = educational level; IBD yrs = years since IBD diagnosis; self-care = use of self-care services; MMAS = Morisky Medication Adherence Scale