Table 5.
Characteristics of study population in relation to dental flossing (n=2435).
| Variables | Brushing frequency | P value | |
|---|---|---|---|
| Yes | No | ||
| Total | 255 (10.5) | 2180 (89.5) | N/A |
| Age (years) | 17.29 (1.0) | 17.26 (1.0) | .652 |
| Nationality | |||
| Non-Saudi | 22 (11.2) | 174 (88.8) | .720 |
| Saudi | 233 (10.4) | 2006 (89.6) | |
| Gender | |||
| Male | 103 (7.8) | 1226 (92.2) | <.001 |
| Female | 152 (13.7) | 954 (86.3) | |
| Tooth brushing | |||
| Yes | 244 (11.3) | 1912 (88.7) | <.001 |
| No | 11 (3.9) | 268 (96.1) | |
| Brushing frequency | |||
| Once | 72 (8.2) | 806 (91.8) | <.001 |
| Twice | 105 (11.4) | 817 (88.6) | |
| More than 2 times | 67 (18.8) | 289 (81.2) | |
| Tongue brushing | |||
| Yes | 141 (16.2) | 730 (83.8) | <.001 |
| No | 114 (7.3) | 1450 (92.7) | |
| Plaque index | 1.17 (0.8) | 1.28 (0.8) | .035 |
| Gingival index | 0.93 (0.8) | 1.04 (0.8) | .046 |
| Mean PD | 0.57 (0.2) | 0.59 (0.2) | .076 |
| PD (%) ≥4 mm | 1.60 (4.6) | 1.89 (4.9) | .368 |
Data are number (%) or mean (standard deviation). Note: Number do not add up in some cells due to missing data.