Author Year | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | Total points |
|---|
De 2005 [28] | Y | N | Y | N | Y | N | Y | Y | N | Y | N | 6 |
Kitsantas 2018 [30] | Y | N | Y | N | Y | N | N | Y | Y | Y | N | 6 |
Ponsonby 1999 [31] | Y | Y | Y | N | Y | N | N | N | Y | Y | N | 6 |
Kemp 2009 [29] | Y | N | Y | N | Y | Y | Y | Y | N | Y | N | 7 |
Xu 1999 [36] | Y | N | Y | Y | Y | N | N | Y | N | Y | N | 6 |
Strachan 1996 [27] | Y | N | Y | N | Y | N | Y | Y | N | Y | N | 6 |
- Y:Yes, N:No/Unclear; 1. Define the source of information (survey, record review); 2. List inclusion and exclusion criteria for exposed and unexposed subjects (cases and controls) or refer to previous publications; 3. Indicate time period used for identifying patients; 4. Indicate whether or not subjects were consecutive if not population-based; 5. Indicate if evaluators of subjective components of study were masked to other aspects of the status of the participants; 6. Describe any assessments undertaken for quality assurance purposes (eg, test/retest of primary outcome measurements; 7. Explain any patient exclusions from analysis; 8. Describe how confounding was assessed and/or controlled; 9. lf applicable, explain how missing data were handled in the analysis; 10. Summarize patient response rates and completeness of data collection; 11. Clarify what follow-up, if any, was expected and the percentage of patients for which incomplete data or follow-up was obtained
