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Psychological response to exercise training and/or energy restriction in obese women
Nieman DC, Custer WF, Butterworth DE, Utter AC, Henson DA
Journal of Psychosomatic Research 2000 Jan;48(1):23-29
clinical trial
5/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

OBJECTIVE: The effect of 12 weeks of exercise training (five 45-minute walking sessions/week at 60% to 75% maximum heart rate) and/or moderate energy restriction (4.19 to 5.44 MJ or 1,200 to 1,300 kcal/day) on psychological general well-being (GWB) and profile of mood states (POMS) was studied in obese women (n = 91, age 45.6 +/- 1.1 years, body mass index 33.1 +/- 0.6 kg/m2). METHODS: Subjects were randomized to one of four groups: control (C); exercise (E); diet (D); and exercise and diet (ED). Psychological variables were measured in all subjects at three timepoints-prestudy, 3 weeks, and poststudy-and analyzed using a 4x3 repeated measures design. RESULTS: GWB but not POMS was improved in ED (but not E or D) relative to C poststudy, especially in four of six subscales: freedom from health concern or worry, life satisfaction; cheerful versus depressed mood; and relaxed versus tense feelings. CONCLUSION: These data demonstrate that the combination of moderate energy restriction and exercise training during a 12-week period improves psychological general well-being scores but not mood states in obese subjects.
With permission from Excerpta Medica Inc.

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