Association between Change in Eating Behaviors and Weight Reduction Through a Health Guidance Program for Improvement of Obesity among Japanese Women

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  • Miyazaki Junko
    Osaka Medical Center for Health Science and Promotion
  • Nishimura Setsuko
    Osaka Medical Center for Health Science and Promotion
  • Kawanaka Yaoko
    Osaka Medical Center for Health Science and Promotion
  • Hakui Tomoko
    Osaka Medical Center for Health Science and Promotion
  • Maruyama Koutatsu
    Osaka Medical Center for Health Science and Promotion Public Health, Department of Social and Environmental Medicine, Graduate School of Medicine, Osaka University
  • Umesawa Mitsumasa
    Osaka Medical Center for Health Science and Promotion
  • Naito Yoshihiko
    Department of Food Sciences and Nutrition, School of Human Environmental Sciences, Mukogawa Women's University

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Other Title
  • 減量プログラムによる女性の食行動改善と減量効果との関連
  • ゲンリョウ プログラム ニ ヨル ジョセイ ノ ショク コウドウ カイゼン ト ゲンリョウ コウカ ト ノ カンレン

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Abstract

Several observational studies have suggested that some eating behaviors are related to obesity, but few studies have indicated the association between change in eating behavior and improvement of obesity. Therefore, the objective of this study was to determine whether changes in eating behaviors are associated with changes in body weight and dietary intakes. The subjects were 144 Japanese women (age, 19–78 years; body mass index [BMI], 18.6–43.8 kg/m2) who participated in a health guidance program for improvement of obesity “Slim-de-kenko-Juku” at Osaka Medical Center for Health Science and Promotion from September 2003 to August 2008. During this 2.5–month program, participants were provided health guidance 8 times, and 2 health check-ups were performed. Anthropometric measures, blood pressure, serum chemistry, dietary intakes, and eating behaviors were evaluated at the 2 health check-ups. We analyzed associations between changes in BMI and eating behaviors by stepwise multiple linear regression analysis. After the program, body weight, BMI, body fat, and waist circumference were significantly reduced (mean values, –1.8 kg, –0.8 kg/m2, –1.5%, and –3.6 cm, respectively; p<0.001). Dietary energy and intake of carbohydrates, fat, sugar, oils, and snacks were decreased, vegetable intake and physical activity were increased. Further, eating behaviors were improved, especially among obese individuals. Results of stepwise multiple liner regression analysis revealed that improvement of “substitute eating and drinking” was significantly associated with decrease in BMI (β = –0.284; p<0.001). In conclusion, our findings suggested that improvement of eating behaviors, particularly “substitute eating and drinking” is important for improvement of obesity in Japanese women.

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