Table 4.
Factors associated with medication adherence using the generalized estimating equation
| Variables | B | SE | 95% Wald CI | Hypothesis test
|
||
|---|---|---|---|---|---|---|
| Wald Chi square | df | p-value | ||||
| Intercept | 2.743 | 2.2270 | −1.622, 7.108 | 1.517 | 1 | 0.218 |
| Gender | ||||||
| Male | 0.009 | 0.2626 | −0.506, 0.523 | 0.001 | 1 | 0.973 |
| Female | ||||||
| Ethnicity | ||||||
| Other | −0.450 | 0.3188 | −1.075, 0.175 | 1.992 | 1 | 0.158 |
| Chinese | ||||||
| Marital status | ||||||
| Single/divorced/widow(er) | 0.107 | 0.3038 | −0.488, 0.702 | 0.124 | 1 | 0.725 |
| Married | ||||||
| Educational level | ||||||
| No formal education | 0.636 | 0.4159 | 0.179, 1.451 | 2.338 | 1 | 0.126 |
| Primary education | 0.177 | 0.2197 | 0.394, 0.749 | 0.370 | 1 | 0.543 |
| Secondary education/diploma/tertiary education | ||||||
| Received income per month | ||||||
| No | 0.447 | 0.3586 | −1.149, 0.256 | 1.552 | 1 | 0.213 |
| Yes | ||||||
| Hospitalization in previous 6 months | ||||||
| No | 0.623 | 0.3567 | −0.076, 1.322 | 3.052 | 1 | 0.081 |
| Yes | ||||||
| Group allocation | ||||||
| Intervention | 0.958 | 0.2666 | 0.436, 1.480 | 12.916 | 1 | <0.001** |
| Control | ||||||
| Age | −0.044 | 0.0318 | −0.106, 0.018 | 1.915 | 1 | 0.166 |
| Number of medications | −0.085 | 0.0492 | −0.181, 0.012 | 2.972 | 1 | 0.085 |
Note:
**
p<0.01.
Abbreviations: CI, confidence interval; SE, standard error.