Tamong undergraduates of Rev. Fr. Moses Orshio Adasu University, Makurdi. The objectives of the study include to; examine the influence of body image on psychological well-being among undergraduates of Rev. Fr. Moses Orshio Adasu University, Makurdi; determine influence of personality traits on psychological well-being among undergraduates, of Rev. Fr. Moses Orshio Adasu University, Makurdi and investigate the joint influence of body image and personality traits on psychological well-being among undergraduates of Rev. Fr. Moses Orshio Adasu University, Makurdi.

The study employed a cross-sectional survey design where by 385 participants, made up of 221 (57.4%) males and 164 (42.6%) females with ages ranged between 18-37 years with an average age of 24 participated in the study. Three standardized questionnaires namely; Body-Image Questionnaire (BIQ), Big Five Personality Traits and, Ryff`s Psychological Well-being scale (PWB) were used as instruments for data collection.

The result of the study revealed that body image positively and significantly influence psychological well-being among undergraduates of Rev.Fr. Moses Orshio Adasu University, Makurdi ( R = .678, R2 = .525 , F (1, 383) =211.142; P