Input variables Age Occupation Artisan/Labour-related Employed - public/private sector Professional Others - Clergy, Law enforcement, Students Unemployed/retired Educational Attainment Low - None/Primary/Secondary High - Tertiary/Postgraduate Smoking pack years (packs per day * smoking duration) Tobacco chewing Non-chewer Chewer Second-hand smoking exposure No exposure Current exposure Previous exposure Expired carbon monoxide level (in ppm) Alcohol consumption Non-drinker Current drinker Previous drinker Lifetime alcohol unit Betel nut chewing No Yes Tooth cleaning frequency Daily Not daily Number of times per frequency Once Twice or more Gum bleeding (at least once monthly) No Yes Use of removable partial dentures No Yes Frequency of fruit consumption Daily Alternate days Weekly Occasionally Do not consume fruits Frequency of fish/seafood consumption Daily Alternate days Weekly Occasionally Do not consume fish/seafood Frequency of red/processed meat consumption Daily Alternate days Weekly Occasionally Do not consume red/processed meat Consumption of spicy food Yes No Food spiciness level Routine visits to Dentist/ENT specialists (within five years) Regular - at least every six months/twice yearly Intermediate - once yearly Irregular - less than once yearly/no visits Use of alcohol containing mouthwash No/Not applicable Yes Number of family members with cancer First degree relative with cancer No Yes Second degree relative with cancer No Yes Clinical type of cancer in family member Head and neck cancer Other malignancies Not applicable Charlson comorbidity index score Hypertension status No Yes Select Model Risk of oral epithelial dysplasia/early malignancy Risk of oral potentially malignant disorders (OPMD) Predict Clear