Table 2.
Quality appraisal of included studies
| Author, year |
Study design | Inclusion criteria | Validated measures | Data analysis | Reporting | Content and utility |
| Bi et al, 20092 | Y | Y | N | Y | Y | Y |
| Jin et al, 20143 | N | Y | N | Y | Y | Y |
| Zhang et al, 201512 | Y | Y | N | Y | Y | Y |
| Jiang et al, 201213 | N | N | NA | Y | Y | Y |
| Wang and Li, 201416 | N | N | Y | N | Y | Y |
| Li, 201517 | Y | N | N | Y | Y | Y |
| Ding et al, 201318 | N | Y | N | Y | Y | Y |
| Zhao et al, 201519 | N | Y | Y | N | Y | Y |
| Dai, 201320 | Y | Y | N | N | N | N |
| Hu et al, 200821 | N | N | N | Y | Y | Y |
| Jiang et al, 201529 | Y | Y | N | Y | Y | Y |
| Xu et al, 201225 | Y | Y | N | Y | Y | Y |
| Li et al, 201624 | Y | Y | N | Y | Y | Y |
| Wang et al, 201523 | N | Y | N | Y | Y | Y |
| Li et al, 200922 | N | Y | N | Y | Y | Y |
| Li et al, 201226 | Y | N | Y | Y | Y | Y |
| Zhuang et al, 201627 | Y | Y | N | Y | Y | Y |
| Yang et al, 201228 | Y | Y | Y | N | Y | Y |
| Huang et al, 201430 | N | Y | Y | N | Y | Y |
| Zhang and Chen, 201131 | N | N | N | Y | Y | Y |
| Li, 201332 | N | Y | N | N | Y | N |
| Liu et al, 201733 | N | Y | N | N | Y | Y |
| Chen et al, 201535 | N | N | N | Y | Y | Y |
| Atkins et al, 201736 | Y | N | N | Y | Y | Y |
| Du et al, 201638 | Y | Y | N | Y | Y | Y |
| Li et al, 201239 | Y | N | N | N | Y | N |
| Cao et al, 201743 | Y | Y | Y | Y | Y | Y |
| Jiang et al, 200740 | Y | Y | Y | N | Y | Y |
| Zhao and Wong, 200944 | Y | Y | Y | Y | Y | Y |
| Zhao et al, 201541 | Y | Y | Y | N | Y | Y |
| Wu et al, 201245 | Y | Y | N | Y | Y | Y |
| Zhao et al, 201542 | Y | Y | N | N | Y | Y |
| Fang and Li, 201646 | Y | Y | Y | Y | Y | Y |
| Table heading | Scoring criteria | |||||
| Study design | The study design was clearly described. | |||||
| Inclusion criteria | The inclusion or exclusion criteria of participants were clearly stated. | |||||
| Validated measures | Standardised questionnaire was used to measure medication adherence/non-adherence score. | |||||
| Data analysis | Statistical methods used to analyse the data were explicitly stated. | |||||
| Reporting | The findings of the study were objectively reported. | |||||
| Content and utility | Main findings, such as interpretations, inferences and themes, were synthesised based on evidence and were consistent with the results. | |||||
N, no; NA, not applicable; Y, yes.