| Ref ID | 665 |
| First Author | B.K. Zheng |
| Journal | NICOTINE & TOBACCO RESEARCH |
| Year Of Publishing | 2019 |
| URL | https://academic.oup.com/ntr/article-abstract/21/6/850/4821020 |
| Keywords |
• Low reporting quality • Error • Public health |
| Problem(s) |
• Intervention not described / defined • Errors in effect estimate calculations or data synthesis • Poor execution of narrative synthesis |
| Article Type | Editorial |
| Article Subtype | Comment/letter |
| First Author Country | China |
| Aim | Aims to draw attention to methodological limitations of a published systematic review and meta-analysis examining the effects of smoking in pregnancy to infant birth weight. |
| Level of Investigation | Descriptive |
| Summary of Findings | Comment expressing concerns on the conduct of one systematic review including lack of specific definitions of active smoking in different included studies, poor execution of narrative synthesis regarding the number of cigarettes smoked and alleged errors in the quantitive synthesis (pooling of unadjusted, rather than adjusted odds ratios). |
| Number of systematic reviews included | 1 |
| Number of eligible systematic reviews assessed | 1 |
| Treatment impacted | No |
| Treatment impacted description | |
| Interpretation impacted | No |
| Interpretation impacted description |