Table 1.
Lapse Predictor EMA Measures.
| Predictor | Question | Answer scale |
|---|---|---|
| Affect | Rate your current mood: | 0 = much better than my usual self, 4 = much worse than my usual self |
| Boredom | How bored do you feel right now? | 0 = not at all, 4 = extremely |
| Hunger | How hungry are you right now? | 0 = not at all, 4 = extremely |
| Fatigue | How tired are you right now? | 0 = not at all, 4 = extremely |
| Hours of sleep | How many hours of sleep did you have last night? | 0 = <4 hours, 7 = >8 hours |
| Cravings | If you have experienced a craving for a specific food, how strong was the craving? | 0 = not strong at all, 4 = extremely strong |
| Urges | Since the last prompt, have you had a sudden urge to go off your eating plan for the day (regardless of whether you acted on this or not)? | Yes/no |
| Cognitive load | In the last hour, think of the most difficult task you were working on. How difficult was this task in terms of the mental effort required (eg, figuring, planning, decision-making)? | 0 = requiring almost no mental effort, 4 = requiring almost all of my mental effort |
| Confidence | How confident are you that you can meet your dietary goals for the rest of the day? | 0 = not at all, 6 = extremely |
| Motivation | How motivated are you to follow your dietary plan right now? | 0 = not at all, 1 = somewhat, 2 = very |
| Socializing | In the past hour, have you engaged in socializing with coworkers, family, or friends? | 0 = no, 1 = yes, without food, 2 = yes, with food |
| TV | Are you watching TV right now? | Yes/no |
| Exercise | Have you engaged in structured exercise (eg, setting aside time specifically devoted to exercising) today? | Yes/no |
| Neg interpersonal interactions | In the past hour, have you had an unpleasant encounter with another person? | Yes/no |
| Tempting food availability | Over the past hour, has there been tempting food/drink within close reach? | Yes/no |
| Alcohol | Have you consumed any alcohol today? | Yes/no |
| Food ads | In the past hour, have you seen an advertisement for food? | Yes/no |
| Planning | To what extent have you planned exactly what you will eat for rest of the day? | 0 = not at all, 1 = somewhat, 2 = very |
| Missed meal/snack | Since the last survey, have you eaten a meal/snack? | 0 = no, 1 = yes, 2 = unsure |