Primary study · included by 1 review

Oral Health Knowledge, Attitudes, and Behaviors Among University Students in Jeddah, Saudi Arabia.

Farsi 2020 · Farsi Nada J, Merdad Yasser, Mirdad Mohammed, et al. · Clinical, cosmetic and investigational dentistry · 2020

Included by

Closing the gap in oral hygiene: prevalence of twice-daily toothbrushing among adults in Saudi Arabia: a systematic review and meta-analysis.
Non-Cochrane · prognostic · 2026 · cited as Farsi 2020 · Reference list [30]; Fig. 3; Supplementary Table 2
Outcome this study informsPooled effectEvidenceCertainty
Brushing teeth twice daily
Twice-daily toothbrushing (prevalence; no intervention) · Not specified
Pooled prevalence (%) 25.8 [15.8, 37.3]9 studiesGRADE not reported
Brushing teeth twice daily
Twice-daily toothbrushing (prevalence; no intervention) · Not specified
Pooled prevalence (%) 44.6 [37.6, 51.8]18 studies · 11865 participantsGRADE not reported
Brushing teeth twice daily
Twice-daily toothbrushing (prevalence; no intervention) · Not specified
Pooled prevalence (%) 12.2 [7.5, 18.0]9 studiesGRADE not reported
Brushing teeth twice daily
Twice-daily toothbrushing (prevalence; no intervention) · Not specified
no estimate extracted8 studiesGRADE not reported
Prevalence of twice-daily toothbrushing
Not applicable (prevalence review) vs Not applicable
no estimate extracted8 studiesGRADE not reported

1 including review in total.