This study examined the relationship between neuroticism and phubbing among university students and explored the moderating role of gender. Guided by the stress and coping model and personality theory, a cross-sectional survey was conducted with 236 Indonesian students (53% female; 85.8% aged 20–23) using validated measures: the Generic Scale of Phubbing and the IPIP-BFM-25 emotional stability subscale. Descriptive analysis showed that phubbing scores were notably right-skewed, with a mean of 53.2 (SD = 17.94) and a higher median of 66.0. Neuroticism significantly predicted phubbing behavior (Estimate = 2.369, SE = 0.120, 95% CI [2.133, 2.605], p < .001), while gender showed no main effect (p = .120) and did not moderate the neuroticism–phubbing relationship (interaction p = .093). Independent t-tests and Mann–Whitney U tests confirmed no significant gender differences in either phubbing or neuroticism levels. These findings suggest that neuroticism is a more robust predictor of phubbing than gender, likely due to differences in emotional regulation. Given the use of convenience sampling and a cross-sectional design, the generalizability of findings is limited. Targeted interventions focusing on emotional coping may be effective in reducing phubbing, especially among individuals high in neuroticism.
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