Table 1 Demographic data and baseline periodontal parameters of the study population
Variables | Group 1 (MTB) (n = 26) | Group 2 (MCS) (n = 26) | Group 3 (STB) (n = 26) | p-value |
|---|---|---|---|---|
Age | ||||
 Mean (± SD); years | 25.6 (± 6.7) | 26.2 (± 7.8) | 24.5 (± 5.5) | .638a |
 Range; years | 19–40 | 19–42 | 19–41 | |
Gender | ||||
 Male; n (%) | 4 (15.4%) | 4 (15.4%) | 6 (23.1%) | .706b |
 Female; n (%) | 22 (84.6%) | 22 (84.6%) | 20 (76.9%) | |
Ethnicity | ||||
 Malay; n (%) | 23 (88.5%) | 23 (88.5%) | 20 (76.9%) | .939b |
 Chinese; n (%) | 1 (3.8%) | 1 (3.8%) | 2 (7.7%) | |
 Indian; n (%) | 1 (3.8%) | 1 (3.8%) | 2 (7.7%) | |
 Others; n (%) | 1 (3.8%) | 1 (3.8%) | 2 (7.7%) | |
Education level | ||||
 Certificate level; n (%) | 3 (11.5%) | 2 (7.7%) | 1 (3.8%) | .348b |
 Diploma level; n (%) | 0 (0.0%) | 4 (15.4%) | 1 (3.8%) | |
 Degree level; n (%) | 20 (76.9%) | 17 (65.4%) | 20 (76.9%) | |
 Master/PhD; n (%) | 3 (11.5%) | 3 (11.5%) | 4 (15.4%) | |
 Plaque Index; Mean ± SD | 0.18 ± 0.08 | 0.13 ± 0.06 | 0.12 ± 0.05 | .182a |
 PISA; Mean ± SD | 77.82 ± 37.46 | 69.92 ± 34.27 | 69.42 ± 29.74 | .839a |