Negative Affect, but Not Inhibitory Control, Predicts Real-World Smoking: A Prospective Ecological Momentary Assessment Study

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ID: 338674
2026
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Abstract
INTRODUCTION: Real-world smoking may be shaped by dynamic interactions between transient affective states and cognitive control processes. Ecological momentary assessment studies show that negative affect predicts smoking-related outcomes in daily life, however it is unclear whether momentary fluctuations in performance-based inhibitory control contribute to real-world smoking beyond affective state. METHODS: Adult light-to-moderate smokers (N = 77; ages 18-65) completed a 10-day ecological momentary assessment protocol on their smartphones, with three prompts per day. At each prompt, participants completed a Stop-Signal Task indexing inhibitory control and reported momentary affect on the Positive and Negative Affect Schedule; 45-105 minutes later they reported their actual cigarette consumption. Multilevel generalized linear mixed-effects models tested whether within-person fluctuations in inhibitory control and negative affect prospectively predicted subsequent smoking. The study and hypotheses were preregistered. RESULTS: Within-person increases in negative affect significantly predicted higher smoking rates at the subsequent assessment interval. Momentary inhibitory control was not significantly associated with subsequent smoking, and Bayesian model comparison favored the model without inhibitory control. Adding baseline psychological distress (Depression Anxiety Stress Scales-21) improved model fit, with higher distress predicting greater overall smoking, but it did not alter the within-person link between negative affect and smoking. Neither negative affect nor inhibitory control predicted craving. CONCLUSIONS: In everyday life, transient negative affect is a more proximal predictor of smoking than momentary fluctuations in performance-based inhibitory control. More broadly, the findings highlight the value of intensive longitudinal designs for testing mechanistic models of smoking in naturalistic settings.
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Authors Mor Nahum, Yafit Gilboa, Netta Assa, Neta Yitzhak
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Journal nicotine & tobacco research : official journal of the society for research on nicotine and tobacco
Year 2026
DOI
10.1093/ntr/ntag239
URL
https://doi.org/10.1093/ntr/ntag239
Keywords Keywords not found

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