Figure 1.

Preferred sources of information about periodontitis among undergraduate students
| Source of information | M (n=214) | N (n=53) | SER (n=66) | TOTAL (n=333) | P |
|---|---|---|---|---|---|
| Lectures | 67 (31.3%) | 20 (37.7%) | 14 (21.2%) | 101 (30.3%) | 0.131 |
| Information pack | 52 (24.3%)a,b | 19 (35.8%)a | 9 (13.6%)b | 80 (24.0%) | 0.019 |
| Video | 67 (31.3%) | 20 (37.7%) | 29 (43.9%) | 116 (34.8%) | 0.151 |
| Web site | 74 (34.6%) | 19 (35.8%) | 16 (24.2%) | 109 (32.7%) | 0.256 |
Knowledge of the most common periodontitis signs and symptoms among undergraduate students
| Sign/Symptom | M (n=214) | N (n=53) | SER (n=66) | TOTAL (n=333) | P |
|---|---|---|---|---|---|
| Bad Breath | 41 (19.2%) | 12 (22.6%) | 5 (7.6%) | 58 (17.4%) | 0.052 |
| Oral Candidiasis | 10 (4.7%)a,b | 7 (13.2%)a | 0 (0.0%)b | 17 (5.1%) | 0.004 |
| Gum Recession | 86 (40.2%)a | 19 (35.8%)a,b | 15 (22.7%)b | 120 (36.0%) | 0.036 |
| Tooth Fracture | 13 (6.1%) | 4 (7.5%) | 1 (1.5%) | 18 (5.4%) | 0.270 |
| Tooth Decay | 23 (10.7%) | 5 (9.4%) | 3 (4.5%) | 31 (9.3%) | 0.317 |
| Bleeding Gums | 84 (39.3%)a | 23 (43.4%)a | 14 (21.2%)b | 121 (36.3%) | 0.015 |
| Tooth Loss | 50 (23.4%) | 11 (20.8%) | 8 (12.1%) | 69 (20.7%) | 0.144 |
| Loose Tooth | 55 (25.7%)a | 23 (43.4%)b | 6 (9.1%)c | 84 (25.2%) | <0.001 |
Knowledge of the association between systemic diseases and periodontitis among undergraduate students
| Condition/Disease | M (n=214) | N (n=53) | SER (n=66) | TOTAL (n=333) | P |
|---|---|---|---|---|---|
| Alzheimer’s Disease | 9 (4.2%) | 2 (3.8%) | 0 (0.0%) | 11 (3.3%) | 0.242 |
| Rheumatoid Arthritis | 17 (7.9%)a,b | 10 (18.9%)a | 3 (4.5%)b | 30 (9.0%) | 0.017 |
| Systemic Lupus Erythematosus | 17 (7.9%)a | 10 (18.9%)a | 5 (7.6%)a | 32 (9.6%) | 0.044 |
| Sarcoidosis | 10 (4.7%) | 5 (9.4%) | 3 (4.5%) | 18 (5.4%) | 0.367 |
| Adverse Pregnancy Outcome | 8 (3.7%) | 2 (3.8%) | 2 (3.0%) | 12 (3.6%) | 0.962 |
| Osteoarthritis | 20 (9.3%) | 6 (11.3%) | 1 (1.5%) | 27 (8.1%) | 0.081 |
| Ectodermal Dysplasia | 11 (5.1%) | 3 (5.7%) | 0 (0.0%) | 14 (4.2%) | 0.162 |
| Chronic Kidney Disease | 10 (4.7%)a | 8 (15.1%)b | 3 (4.5%)a,b | 21 (6.3%) | 0.016 |
| Diabetes Mellitus | 73 (34.1%) | 21 (39.6%) | 14 (21.2%) | 108 (32.4%) | 0.070 |
| Cardiovascular Disease | 34 (15.9%)a | 6 (11.3%)a,b | 2 (3.0%)b | 42 (12.6%) | 0.022 |
| Hospital-Acquired Pneumonia | 6 (2.8%) | 1 (1.9%) | 1 (1.5%) | 8 (2.4%) | 0.807 |
Distribution of undergraduate students by age and gender
| Variable | M (n=214) | N (n=53) | SER (n=66) | TOTAL (n=333) | P |
|---|---|---|---|---|---|
| Age (mean ±SD) | 21.70±1.90 | 21.87±1.42 | 21.64±1.59 | 21.71±1.77 | 0.765 |
| Gender n (%) | |||||
| Male | 60 (28.0%) | 7 (13.2%) | 4 (6.1%) | 71 (21.3%) | 0.064 |
| Female | 154 (72.0%) | 46 (86.8%) | 62 (93.9%) | 262 (78.7%) |
Knowledge of the term periodontitis among undergraduate students
| Question | Response | M (n=214) | N (n=53) | SER (n=66) | TOTAL (n=333) | P |
|---|---|---|---|---|---|---|
| Have you heard of the term Periodontitis? | Yes | 126 (58.9%) | 36 (67.9%) | 31 (47.0%) | 193 (58.0%) | 0.064 |
| No | 88 (41.1%) | 17 (32.1%) | 35 (53.0%) | 140 (42.0%) |
Knowledge of the most common periodontitis risk factors among undergraduate students
| Risk factors | M (n=214) | N (n=53) | SER (n=66) | TOTAL (n=333) | P |
|---|---|---|---|---|---|
| Oral Candidiasis | 29 (13.6%) | 8 (15.1%) | 5 (7.6%) | 42 (12.6%) | 0.370 |
| Socioeconomic Status | 19 (8.9%) | 8 (15.1%) | 4 (6.1%) | 31 (9.3%) | 0.226 |
| Ehlers Danlos Syndrome | 14 (6.5%) | 3 (5.7%) | 2 (3.0%) | 19 (5.7%) | 0.561 |
| Papillon LeFevre Syndrome | 9 (4.2%)a,b | 5 (9.4%)a | 0 (0.0%)b | 14 (4.2%) | 0.039 |
| Smoking | 74 (34.6%)a,b | 24 (45.3%)a | 15 (22.7%)b | 113 (33.9%) | 0.034 |
| Sedentary Lifestyle | 1 (0.5%)a | 6 (11.3%)b | 0 (0.0%)a | 7 (2.1%) | <0.001 |
| Pregnancy | 21 (9.8%)a | 12 (22.6%)b | 4 (6.1%)a | 37 (11.1%) | 0.010 |
| Tooth Decay | 61 (28.5%)a | 17 (32.1%)a | 8 (12.1%)b | 86 (25.8%) | 0.015 |
Self-evaluation of knowledge about periodontitis among undergraduate students
| Knowledge Rating | M (n=214) | N (n=53) | SER (n=66) | TOTAL (n=333) | P |
|---|---|---|---|---|---|
| Poor | 89 (41.6%)a | 12 (22.6%)b | 35 (53.0%)a | 136 (40.8%) | 0.002 |
| Fair | 65 (30.4%)a | 17 (32.1%)a | 18 (27.3%)a | 100 (30.0%) | |
| Neutral | 51 (23.8%)a | 15 (28.3%)a | 11 (16.7%)a | 77 (23.1%) | |
| Good | 8 (3.7%)a | 6 (11.3%)a | 2 (3.0%)a | 16 (4.8%) | |
| Excellent | 1 (0.5%)a | 3 (5.7%)b | 0 (0.0%)a | 4 (1.2%) |