چهارشنبه 6 خرداد 1405
[Archive]
چکیده: (68 مشاهده)
Purpose: This study aimed to compare the effects of Self-Compassion-Based Intervention (SCBI) and Mindfulness-Based Intervention (MBI) on perceived stress, body mass index (BMI), and lifestyle of obese women.
Methods: A quasi-experimental study with a pretest–posttest control group design was conducted. Participants were 60 Iranian-Canadian obese women (BMI ≥ 30 kg/m²) recruited from a family counseling center in Toronto, Canada, in 2024 using purposive sampling. Participants were randomly assigned to an MBI group (n = 20), an SCBI group (n = 20), or a control group (n = 20). The intervention groups received eight 90-minute psychological intervention sessions, while the control group received no intervention during the study period. Data were collected using the Lifestyle Questionnaire (LSQ), Perceived Stress Scale (PSS), and BMI measurements. Multivariate and univariate analyses of covariance (MANCOVA and ANCOVA) were conducted, controlling for pretest scores. A post-hoc power analysis using G*Power was performed to evaluate statistical power.
Results: After controlling for baseline scores, both MBI and SCBI led to significant improvements in perceived stress, BMI, and overall lifestyle compared to the control group (p < .001). Between-group comparisons indicated a significant difference between SCBI and MBI in reducing perceived stress, with SCBI demonstrating greater reductions (p < .001). In contrast, MBI resulted in a significantly greater reduction in BMI compared to SCBI (p < .001). No significant difference was observed between the two interventions in overall lifestyle improvement (p = .875).
Conclusion: Both MBI and SCBI are effective psychological interventions for improving psychological and weight-related outcome (BMI) among obese women. While SCBI appears more effective for stress reduction and social health, MBI demonstrates greater effectiveness in BMI reduction and health-related behavioral domains. These findings highlight the complementary roles of mindfulness and self-compassion approaches in obesity management.
Methods: A quasi-experimental study with a pretest–posttest control group design was conducted. Participants were 60 Iranian-Canadian obese women (BMI ≥ 30 kg/m²) recruited from a family counseling center in Toronto, Canada, in 2024 using purposive sampling. Participants were randomly assigned to an MBI group (n = 20), an SCBI group (n = 20), or a control group (n = 20). The intervention groups received eight 90-minute psychological intervention sessions, while the control group received no intervention during the study period. Data were collected using the Lifestyle Questionnaire (LSQ), Perceived Stress Scale (PSS), and BMI measurements. Multivariate and univariate analyses of covariance (MANCOVA and ANCOVA) were conducted, controlling for pretest scores. A post-hoc power analysis using G*Power was performed to evaluate statistical power.
Results: After controlling for baseline scores, both MBI and SCBI led to significant improvements in perceived stress, BMI, and overall lifestyle compared to the control group (p < .001). Between-group comparisons indicated a significant difference between SCBI and MBI in reducing perceived stress, with SCBI demonstrating greater reductions (p < .001). In contrast, MBI resulted in a significantly greater reduction in BMI compared to SCBI (p < .001). No significant difference was observed between the two interventions in overall lifestyle improvement (p = .875).
Conclusion: Both MBI and SCBI are effective psychological interventions for improving psychological and weight-related outcome (BMI) among obese women. While SCBI appears more effective for stress reduction and social health, MBI demonstrates greater effectiveness in BMI reduction and health-related behavioral domains. These findings highlight the complementary roles of mindfulness and self-compassion approaches in obesity management.
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