Table 1 Elements abstracted from searched studies
From: Causal assessment of smoking and tooth loss: A systematic review of observational studies
Study | Elements |
|---|---|
All studies | Citation and publication status |
| Â | Study design: cross sectional or cohort study |
| Â | Participants: number, sex, age range, country, residency and representativeness |
| Â | Focal factor(s) with respect to the association with tooth loss: smoking only or various factors including smoking |
| Â | Factors entered in the final analytical model |
| Â | Type of the estimate of association, effect size and confidence interval |
| Â | Category of evaluated group: age group, sex and type of exposure |
| Â | Statistical significance of the dose-response relationship |
| Â | Special mention: sensitivity, subgroup and other types of analyses and the source of funding |
Cross sectional studies | Definition and prevalence of tooth loss |
Cohort studies | Observational length and non-respondent and follow-up rates |