| Defining inclusion criteria |
48 |
|
|
|
| Details of study population and setting |
48 |
|
|
|
| Valid and reliable measurement of exposure |
48 |
|
|
|
| Use of standardized measurement |
42 |
|
6 |
|
| Identification of confounding factors |
36 |
12 |
|
|
| Dealing with confounding factors |
35 |
13 |
|
|
| Valid and reliable measurement of outcome |
48 |
|
|
|
| Use of appropriate statistical analysis |
48 |
|
|
|
| Qualitative Studies (n = 18) |
| Congruity between stated philosophical perspective and methodology |
18 |
|
|
|
| Congruity between the research methodology and the research question or objectives |
18 |
|
|
|
| Congruity between the research methodology and data collection methods |
18 |
|
|
|
| Congruity between the research methodology and data analysis |
18 |
|
|
|
| Congruity between the research methodology and the interpretation of results |
18 |
|
|
|
| Statement locating the researcher culturally or theoretically |
18 |
|
|
|
| Influence of the researcher on the research |
18 |
|
|
|
| Adequate representativeness of participants, and their voices |
18 |
|
|
|
| Ethical consideration |
18 |
|
|
|
| The link between conclusions and the analysis and interpretation |
18 |
|
|
|
| Cohort Studies (n = 7) |
| Recruitment of two groups from the same population |
7 |
|
|
|
| Measurement of exposures in both groups similarly |
7 |
|
|
|
| Valid and reliable measurement of exposure |
7 |
|
|
|
| Identification of confounding factors |
7 |
|
|
|
| Dealing with confounding factors |
6 |
1 |
|
|
| Absence of outcomes in both groups before the study |
7 |
|
|
|
| Valid and reliable measurement of outcome |
7 |
|
|
|
| Sufficient follow-up time |
7 |
|
|
|
| Complete follow-up time, if no, reason |
|
|
|
7 |
| Addressing incomplete follow-up time |
|
|
|
7 |
| Use of appropriate statistical analysis |
7 |
|
|
|
| Case-control Studies (n = 2) |
| Comparable groups |
2 |
|
|
|
| Appropriate match of case and control |
2 |
|
|
|
| Use of same criteria |
2 |
|
|
|
| Use of standardized measurement |
2 |
|
|
|
| Use of equal measurement between case and control |
2 |
|
|
|
| Identification of confounding factors |
2 |
|
|
|
| Dealing with confounding factors |
|
|
|
2 |
| Valid and reliable measurement of outcome between case and control |
2 |
|
|
|
| Enough exposure time |
2 |
|
|
|
| Use of appropriate statistical analysis |
2 |
|
|
|
