Smoking tobacco is a major health risk. But many people commonly smoke tobacco oblivious to its ill effects on health. In older people, tobacco use is considered the primary preventable cause of disability and death. There are very few studies on the use tobacco in older people and its associated factors.

AIM: The present study aims to examine the tobacco smoking and effect of its associated factors on the personality traits (openness, conscientiousness, extraversion, agreeableness, and neuroticism), on adults residing in rual and urban localities of North Karnataka.

Methods: The present study has adopted hypothetico deductive approach and a cross sectional method. This study was carried out in North Karnataka’s randomly selected rural and urban localities. This study includes 280 male female participants aged from 20 to 50 years. Data were collected through interviews at the participants’ homes questionnaire. Covering family socio demographic details, tobacco smoking history, nicotine addiction scale and Five Big Personality Test.