Table 3 Association of periodontitis and its severity amongst the tobacco users
Periodontitis | Tobacco users (%) | Non-tobacco users (%) | Total (%) | p value |
|---|---|---|---|---|
Present | 175 (85.4) | 140 (59.6) | 315 (71.6) | < 0.001 |
Absent | 30 (14.6) | 95 (40.4) | 125 (28.4) | |
Total | 205 (100) | 235 (100) | 440 (100) | Â |
Severity of periodontitis | ||||
 Mild | 35 (20.0) | 68 (48.6) | 103 (32.7) | < 0.001 |
 Moderate | 62 (35.4) | 50 (35.7) | 112 (35.6) | |
 Severe | 78 (44.6) | 22 (15.7) | 100 (31.7) | |
 Total | 175 (100) | 140 (100) | 315 (100) |  |