| Participant’s characteristics | Frequency | (%) |
| Age |
|
|
| 12 years | 191 | 35.11 |
| 13 years | 150 | 27.57 |
| 14 years | 102 | 18.75 |
| 15 years | 101 | 18.57 |
| Age in years (Mean ± SD) | 13.2 ± 0.04 |
|
| Gender |
|
|
| Male | 306 | 56.25 |
| Female | 238 | 43.75 |
| Education of Mother |
|
|
| High school and below | 265 | 48.71 |
| Graduation and above | 279 | 51.29 |
| Education of Father |
|
|
| High school and below | 55 | 10.11 |
| Graduation and above | 489 | 89.89 |
| BMI |
|
|
| Underweight | 56 | 10.29 |
| Normal weight | 322 | 59.19 |
| Overweight & obese | 166 | 30.52 |
| BMI (Mean ± SD) | 20.44 ± 0.19 |
|
| Physician diagnosed Asthma | 65 | 11.9 |
| ISAAC questionnaire | 36 | 6.6 |
| Parent interviews (childhood asthma) | 8 | 1.5 |
| Asthma* | 109 | 20 (95% CI: 17% - 23%) |
| Family history of asthma | 206 | 37.9 |
| Allergy status of child | 136 | 25 |
| Brushing frequency/day |
|
|
| >1 time | 372 | 68.3 |
| 1 time | 172 | 31.6 |
| Had dental visit | 370 | 68.0 |
| Oral Hygiene Index |
|
|
| Good (0 to <1.2) | 330 | 60.6 |
| Fair(>1.2 to <3) | 201 | 36.9 |
| Poor(>3) | 13 | 2.4 |
| Caries | 166 | 30.51 |