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Table 4 Psychosocial, behavioral, and environmental constructs by study week

From: Comparison of weight loss induced by daily caloric restriction versus intermittent fasting (DRIFT) in individuals with obesity: study protocol for a 52-week randomized clinical trial

 

Timepoint (week)

Questionnaire

Construct measured

0

13

26

52

78

Psychosocial

 PANAS [56, 57]

Positive and negative affect

x

x

x

x

x

 Perceived Stress Scale (PSS) [58,59,60]

Perceived stress

x

x

x

x

x

 PEMS Coping Subscale [61, 62]

Eating motives

x

x

x

x

x

 Binge Eating Scale (BES) [63]

Binge eating

x

x

x

x

x

 RED [64]

Reward-based eating drive

x

x

x

x

x

 Three-Factor Eating Questionnaire (TFEQ R 18) [65]

Restrained eating, uncontrolled eating, emotional eating

x

x

x

x

x

 BREQ-3 [66, 67]

Motivation for exercise

x

x

x

x

x

 Grit [68]

Perseverance and passion

x

    

 TSRQ-Baseline [69]

Motivation to start treatment

x

    

 TSRQ-Follow-Up [69]

Motivation to continue treatment

 

x

x

x

x

 Mini-IPIP [70]

Personality

x

  

x

 

 BARSE [71]

Exercise self-efficacy

x

x

x

x

x

 WEL-SF [72]

Diet self-efficacy

x

x

x

x

x

 POMS (40-item) [73]

Mood

x

x

x

x

x

 RAND-36 [74, 75]

Health-related quality of life

x

 

x

x

x

 Life Events Questionnaire (LEQ) [76, 77]

Stressful life events

x

 

x

x

x

 Behavior-based Identity [78]

Identity

x

x

x

x

x

 Role/Group-based Identity Congruencea [79]

Identity congruence

x

x

x

x

x

 Emotion Regulation [80]

Emotion regulation

x

x

x

x

x

 Psychological Well-Being [81]

Well-being

x

x

x

x

x

 Attributional Style [82]

Attribution of events

x

x

x

x

x

 Implicit Theory [83]

Beliefs about weight

x

x

x

x

x

 Intervention Preference Baseline [study specific]

Intervention preference

x

    

 Intervention Preference Follow-up [study specific]

Intervention preference

 

x

x

x

x

 Life History Questionnaire [study specific]

Perceived social economic status, developmental history

xb

    

 Computerized task-based assessments

Executive function

x

x

x

x

x

 Monetary 5-trial adjusting delay discounting task

Delay discounting

x

x

x

x

x

 UPPS+P Questionnaire [84]

Impulsivity

x

    

Behavioral

 EARLY eating away from home Q [85]

Frequency of eating away from home

x

 

x

x

x

 EARLY SSB Consumption Q [85]

Consumption of sugar-sweetened beverages

x

 

x

x

x

 BRFSS Alcohol Consumption [86]

Alcohol consumption

x

 

x

x

x

 GPAQ, with show cards [87, 88]

Self-reported physical activity

x

x

x

x

x

 Munich Chronotype Q (MCTQ) [89]

Sleep

x

x

x

x

x

 Marijuana Use (DFAQ-CU) [90]

Marijuana use

x

    

 BRFSS Marijuana Use [91]

Marijuana use

  

x

x

x

 12-Month Study Questionnaire [study specific]

End of intervention questionnaire

   

x

 

 18-Month Study Questionnaire [study specific]

18-month follow-up questionnaire

    

x

Environmental

 NEWS-A [92, 93]

Neighborhood walkability

x

    

 Social Support for Healthy Behaviors [94]

Perceived social support for healthy eating and PA

x

x

x

x

x

  1. BARSE Barriers Self-Efficacy Scale, BREQ-3 Behavioral Regulations for Exercise Questionnaire version 3, BRFSS Behavioral Risk Factor Surveillance System, DFAQ-CU Daily Sessions, Frequency, Age of onset and Quantity of Cannabis Use inventory, EARLY Early Adult Reduction of weight through LifestYle intervention trials, GPAQ Global Physical Activity Questionnaire, IPIP International Personality Item Pool, NEWS-A Neighborhood Environment Walkability Scale – Abbreviated, PA Physical Activity, PANAS Positive and Negative Affect Scale, PEMS Palatable Eating Motives Scale, POMS Profile of Mood States, Q Questionnaire, RED Reward-based Eating Drive scale, TSRQ Treatment Self-Regulation Questionnaire, UPPS+P Urgency Premeditation Perseverance Sensation Seeking + Personality Pathway Questionnaire, WEL-SF Weight Efficacy Lifestyle Questionnaire Short-Form
  2. aAdapted from a measure published by Brook et al. [79]
  3. bOptional