Table 1.
ANOVA among three groups of participation preferences in medical decision-making in different sociodemographical, attitudes to drugs, shared decision-making, and locus of control variables
| Variables | Preference group | Mean | SD | F | P-value | η2 |
|---|---|---|---|---|---|---|
| Age (years) | Active | 45.51 | 12.45 | 23.31 | 0.000 | 0.047 |
| Collaborative | 47.96 | 12.88 | ||||
| Passive | 54.11 | 14.51 | ||||
| Treatment duration (months) | Active | 113.65 | 109.32 | 4.80 | 0.008 | 0.010 |
| Collaborative | 105.46 | 106.44 | ||||
| Passive | 130.69 | 123.39 | ||||
| Number of different drugs | Active | 2.80 | 1.61 | 0.84 | 0.433 | 0.002 |
| Collaborative | 2.96 | 1.34 | ||||
| Passive | 3.04 | 1.41 | ||||
| DAI | Active | 1.72 | 4.61 | 7.60 | 0.001 | 0.016 |
| Collaborative | 3.79 | 4.04 | ||||
| Passive | 3.43 | 4.11 | ||||
| SDM-Q-9 | Active | 17.25 | 11.09 | 12.61 | 0.000 | 0.026 |
| Collaborative | 21.68 | 11.13 | ||||
| Passive | 18.14 | 10.53 | ||||
| MHLC internal | Active | 24.74 | 8.06 | 0.49 | 0.612 | 0.001 |
| Collaborative | 24.54 | 7.19 | ||||
| Passive | 24.05 | 7.41 | ||||
| MHLC external | Active | 38.54 | 8.55 | 4.62 | 0.010 | 0.010 |
| Collaborative | 40.92 | 8.96 | ||||
| Passive | 42.12 | 8.88 | ||||
| MHLC chance | Active | 14.82 | 5.99 | 2.50 | 0.083 | 0.005 |
| Collaborative | 14.59 | 6.75 | ||||
| Passive | 15.70 | 7.07 | ||||
| MHLC doctors | Active | 13.54 | 4.53 | 10.25 | 0.000 | 0.021 |
| Collaborative | 15.45 | 3.15 | ||||
| Passive | 15.51 | 3.32 | ||||
| MHLC others | Active | 10.18 | 3.32 | 1.14 | 0.320 | 0.002 |
| Collaborative | 10.88 | 3.72 | ||||
| Passive | 10.92 | 3.59 |
Abbreviations: ANOVA, analysis of variance; DAI, drug attitudes inventory; MHLC, Multidimensional Health Locus of Control Questionnaire; P, probability; SD, standard deviation; SDM-Q-9, nine-item Shared Decision-Making Questionnaire.