Table 2.
Quality Evaluation Results of the Included Literatures (n = 14).
| Study | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Level |
|---|---|---|---|---|---|---|---|---|---|---|
| Wang Jing | Y | Y | Y | Y | Y | Y | Y | Y | Y | A |
| Yin Xin | Y | Y | Y | Y | Y | Y | Y | Y | Y | A |
| Jiang Yifan | Y | Y | Y | Y | Y | Y | Y | Y | Y | A |
| Wang Donghua | Y | Y | Y | Y | Y | Y | Y | Y | Y | A |
| Liu Qiaohong | Y | Y | Y | Y | Y | Y | Y | Y | Y | A |
| Yang Jing | Y | Y | Y | Y | Y | Y | Y | Y | Y | A |
| Sun Jing | Y | Y | Y | Y | Y | Y | Y | N | Y | B |
| Wang Na | Y | Y | Y | Y | Y | Y | Y | Y | Y | A |
| Wang Qin | Y | Y | Y | Y | Y | Y | Y | Y | Y | A |
| Luo Lingling | Y | Y | Y | Y | Y | Y | Y | Y | Y | A |
| Yunxia Zhao | Y | Y | Y | Y | Y | Y | Y | N | Y | B |
| Neda Asadi | Y | Y | Y | Y | Y | Y | Y | Y | Y | A |
| Ok Min Ch | Y | Y | Y | Y | Y | Y | Y | Y | Y | A |
| Yu Jin Jeong | Y | Y | Y | Y | Y | Y | Y | Y | Y | A |
Note. 1. Was the sample frame appropriate to address the target population? 2. Was the sampling technique appropriate to address the target population? 3. Was the sample size adequate? 4. Were the study subjects and the setting described in detail? 5. Was the data analysis conducted with sufficient coverage of the identified sample? 6. Was the identification of the condition or phenomenon accurate? 7. Were objective, standard criteria used for measurement of the condition or phenomenon? 8. Was the timeframe for the condition or phenomenon appropriate? 9. Was the response rate adequate, and if not, were the characteristics of nonrespondents described?
“Y” indicates yes, “N” indicates no, “UN” indicates unclear, and “NA” indicates not applicable.