Table 1.
Co-variate | Baseline | Follow-Up | p-Value |
---|---|---|---|
Age (years) | 18.2 ± 0.4 1 | – | – |
Sex (Male) | 217 (47.5) 2 | – | – |
Daily brushing frequency (≥2 times) | 374 (81.8) | 387 (84.7) | 0.249 3 |
Daily flossing (Yes) | 26 (5.7) | 68 (15.1) | <0.001 3 |
Regular dental checkup (Yes) | 70 (15.3) | 66 (14.4) | 0.643 3 |
OHI-S score | 0.6 ± 0.6 | 0.6 ± 0.7 | 0.881 4 |
BOP (%) | 28.7 ± 24.2 | 31.4 ± 23.0 | 0.040 4 |
DMFT | 2.3 ± 2.8 | 2.9 ± 2.7 | <0.001 4 |
BMI (kg/m2) | 20.7 ± 2.8 | 21.0 ± 2.9 | <0.001 4 |
Community periodontal index (CPI) | |||
0 | 50 (10.9) | 26 (5.7) | <0.001 5 |
1 | 115 (25.2) | 88 (19.3) | |
2 | 223 (48.8) | 128 (28.0) | |
3 | 69 (15.1) | 199 (43.5) | |
4 | 0 (0.0) | 16 (3.5) | |
PPD ≥4 mm (Yes) | 69 (15.2) | 215 (47) | <0.001 3 |
OHI-S, simplified oral hygiene index; BOP, bleeding on probing; DMFT, decayed, missing, and filled teeth; BMI, body mass index; PPD, probing pocket depth. 1 mean ± standard deviation, 2 number (%), 3 McNemar test, 4 paired t-test, 5 chi-square test.