Table 4 Patient’s Perceptions predicting adherence score at Time 1 and Time2; M (SD)
Predictors | Adherent | Non-adherent | p-value |
|---|---|---|---|
Adherence score at Time 1 (predicted by baseline) | |||
 Self-rated health | 3.20 (1.22) | 2.98 (1.24) | 0.287 |
 Illness Perception (score) | 40.23 (12.97) | 42.09 (14.17) | 0.389 |
 Medication Beliefs | |||
  Necessity | 18.34 (3.70) | 16.94 (4.63) | 0.083 |
  Concern | 14.38 (4.96) | 15.37 (4.47) | 0.219 |
  Overtreatment | 10.17 (3.37) | 11.39 (3.82) | 0.042 |
  Harm | 8.77 (2.92) | 9.96 (3.08) | 0.022 |
 Habits | 41.04 (18.23) | 45.76 (17.61) | 0.154 |
 Depression | 6.30 (4.92) | 6.39 (4.03) | 0.316 |
 Anxiety | 7.41 (5.03) | 7.91 (4.30) | 0.666 |
Adherence score at Time 2 (predicted by perceptions at Time 1) | |||
 Self-rated health | 3.21 (1.20) | 2.92 (1.28) | 0.163 |
 Illness Perception (score) | 40.34 (13.89) | 43.74 (13.18) | 0.163 |
 Medication Beliefs | |||
  Necessity | 17.91 (3.87) | 17.12 (4.43) | 0.244 |
  Concern | 13.81 (5.18) | 15.22 (4.88) | 0.101 |
  Overtreatment | 10.07 (3.66) | 12.26 (3.47) | 0.000 |
  Harm | 9.00 (3.30) | 10.78 (3.01) | 0.001 |
 Habits | 37.83 (18.95) | 37.57 (16.66) | 0.932 |
 Depression | 8.28 (4.63) | 9.59 (4.13) | 0.097 |
 Anxiety | 8.83 (4.33) | 9.67 (4.36) | 0.166 |