Departmental Bulletin Paper 生活習慣への介入終了1年後の長期的介入効果およびフォローアップ介入効果の検討
The long-term( 1- year) effects of a lifestyle intervention as well as the effects of a follow-up intervention on people at a risk of metabolic syndrome

万行, 里佳

《目的》本研究は、メタボリックシンドローム予備軍を対象とした生活習慣の改善のための介入終了1年後より24週間のフォローアップ (FU) 介入を行い、介入終了1年後の長期的介入効果およびFU介入の効果について検討した。《方法》FU介入の参加者は16名 (平均年齢54歳) であり、介入内容は生活習慣に関する目標行動の実施状況などの記録を初期は毎週、17-24週目は4週間毎に提出し、フィードバックコメントを返送した。《結果》介入終了時と介入終了1年後の運動や食事習慣、血液指標、Body Mass Index、腹囲などすべての測定項目に差はなく、介入効果が維持されていた。また、FU介入前後では、HDLコレステロールが改善された。《結論》行動変容理論を参考とした介入による問題対処能力の向上や行動の継続により介入効果が維持されたのではないかと推察された。FU介入では、介入内容の簡略化や介入頻度を下げても効果があることが示された。
Objective: We conducted a 24-week follow-up (FU) intervention 1 year after the lifestyle intervention involving people at a risk of metabolic syndrome and examined whether the lifestyle intervention and FU intervention effects were maintained for a year post intervention.Methods: The FU intervention involved 16 subjects( mean age: 54.0 years). They submitted weekly reports on the implementation of activities, which prevents lifestyle-related diseases, during the first 16 weeks and every 4 weeks after the 17th week until the final week, and subsequently received feedback.Results: No differences were observed in indicators, such as physical activity, dietary habit, blood index, body mass index, or abdominal circumference, from the time when the intervention was completed to 1 year after the intervention showing that the intervention effects were maintained. Also, HDL cholesterol was improved after the FU intervention.Conclusions: These results suggest that improvement in the problem-solving ability and continuation of the preventive activities that were achieved during intervention, which was conducted based on the theories of behavior change, contributed to maintaining the intervention effects. The results also revealed that the FU intervention is effective even when the approach and frequency of intervention are minimized.

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