The dynamics of smoking quit motivation in daily life: Associations with momentary self-regulation and nightly quit intentions.

Due to prior work suggesting dynamic fluctuations in quit motivation over time, the current study used ecological momentary assessment (EMA) to examine contextual predictors of momentary quit motivation, most notably perceived self-regulation. The sample (n = 84) intentionally excluded smokers actively trying to quit and those who plan to never quit, focusing on the group of smokers who are interested in but not yet committed to quitting. Participants completed one week of EMA, where they responded to random prompts 7x/day and logged each cigarette. At each prompt, they completed measures assessing cigarette craving, affect (positive and negative), quit motivation, and perceived momentary self-regulation (i.e., willpower self-efficacy, distress intolerance, craving uncontrollability). Participants also completed a nightly prompt where they reported their quit intentions. Results revealed that the newly developed 4-item index of quit motivation had strong psychometric properties, and demonstrated fluctuations over time and across situations. Quit motivation was higher when craving was ideographically lower than usual, and when willpower was higher than usual. People with higher distress intolerance reported higher quit motivation. In addition, stronger quit motivation and less variability in quit motivation was associated with higher quit intentions. The current study suggests that quit motivation does shift dynamically and speaks to the potential importance of targeting craving and willpower self-efficacy to enhance people's motivation to quit.