… studies, give matching criteria and number of exposed and unexposed Case-control study—For
matched studies, … Make clear which confounders were adjusted for and why they were …

Background: In the United States (US), 26% of adults have untreated tooth decay, and 46%
of adults have gum disease. Neglecting dental hygiene behaviors results in physical and …

… health problems (eg dental caries or periodontitis), but it is not … through different settings in
the four sub-studies presented in … for the paradigmatic literature: non-participation is a sign of …

… Strategies used for adjustment of nonparticipation bias may … on non-participation in a
case-control study of periodontitis. … conclusions of studies that non-participation will bias the …

… use, physical exercise, periodontal disease, environmental … bias compared to traditional
case-based case-control studies. … 92 High rates of non-participation may indeed introduce bias …

… This thesis explores the extent to which oral health status indicators (Adjusted DFT and OHI-S)
… not to be confined to clinical indicators (dental caries, periodontal disease, etc.) but also …

… In this case-control study, we assessed dietary intake, gut … associated with periodontal
disease and pancreatic abscess 69… (b) Give reasons for non-participation at each stage (c) …

… very favorably with other case-control studies conducted in the … In order to assess the bias
related to non-participation, we … and ADH genotype, adjusted for other breast cancer risk factors…

… The data used in this present research was obtained from a large case control study as part
of the doctoral research of Abigail Basson. Recruitment of participants was performed in two …

… types of periodontal disease are gingivitis and periodontitis. … design (case control, cohort,
randomized controlled studies, … of insider evaluators include research bias (systematic bias), …