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Table 2 Motivation, perceived competence, and self-efficacy

From: Motivation and perceived competence for healthy eating and exercise among overweight/obese adolescents in comparison to normal weight adolescents

  Normal weight Overweight + Obese
Mean ± SD Mean ± SD
Motivation for Eating a Healthy Diet
 Autonomous (n = 99) 34.1 ± 6.5 36.5 ± 4.6
 Controlled (n = 96) 18.1 ± 8.1 23.8 ± 9.3**
Motivation for Exercise
 Autonomous (n = 99) 33.1 ± 7.9 35.9 ± 6.9
 Controlled (n = 96) 18.8 ± 8.8 22.6 ± 10.4
Perceived Competence - Diet (n = 100) median (25-75% IQR) 20.0 (14.5-24.0) 22.5 (19.0-26.0)*
Perceived Competence - Exercise (n = 100) median (25-75% IQR) 23.5 (15.5-25.0) 24.0 (20.5-28.0)
Self-Efficacy (n = 77) 31.5 ± 5.4 31.6 ± 4.5
  1. Legend: Subjects completed the Treatment Self Regulation Questionnaire (TSRQ) for eating a healthy diet and exercise, the Perceived Competence Scales for Eating Healthy and Exercising Regularly, and the General Self-Efficacy Scale. Subjects assigned a score between 1 and 7 for each item, with higher scores indicating the statement is more “true” for themselves. The data are expressed as the means ± standard deviation (SD), or as the median with the 25-75% interquartile range (IQR) for non-normal data (perceived competence)
  2. *p < 0.05, **p < 0.01 for comparisons between normal weight subjects and overweight/obese subjects