Comparison of lifestyle and structured interventions to increase physical activity and cardiorespiratory fitness - A randomized trial
Comparison of lifestyle and structured interventions to increase physical activity and cardiorespiratory fitness - A randomized trial
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DOI：
10.1001/jama.281.4.327
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发表时间：
1999-01-27
影响因子：
120.7
通讯作者：
Blair, SN
中科院分区：
文献类型：
--
作者：
Dunn, AL;Marcus, BH;Blair, SN
尽管缺乏运动与健康状况不佳之间的密切联系已被充分证明，但60%的人口活动不足或完全不活动。传统的运动处方方法并没有被证明对增加和维持规律的身体活动计划有效。目的比较生活方式体育锻炼计划与传统的结构化锻炼在改善身体活动、心肺健康和心血管疾病危险因素方面的干预效果。设计：1993年8月1日至1997年7月31日进行随机临床试验。参与者：久坐不动的男性（n = 116）和女性（n = 119），自我报告的身体活动分别少于36和34千卡/公斤/天。干预措施6个月的高强度干预和18个月的维持干预要么是生活方式的体育活动，要么是传统的有组织的锻炼计划。主要结局指标：通过7天体力活动回忆评估体力活动，通过最大运动跑步机测试评估最大耗氧量（vo2峰值）。次要结局是血浆脂质和脂蛋白胆固醇浓度、血压和身体成分。所有测量均在基线、6个月和24个月时获得。结果从基线到24个月，生活方式组和有组织活动组在身体活动和心肺健康方面都有显著的改善。调整后的平均变化（95%置信区间[CI]）为0.84 (95% CI, 0.42-1.25 kcal/kg / day
Context Even though the strong association between physical inactivity and ill health is well documented, 60% of the population is inadequately active or completely inactive. Traditional methods of prescribing exercise have not proven effective for increasing and maintaining a program of regular physical activity.Objective To compare the 24-month intervention effects of a lifestyle physical activity program with traditional structured exercise on improving physical activity, cardiorespiratory fitness, and cardiovascular disease risk factors.Design Randomized clinical trial conducted from August 1, 1993, through July 31, 1997.Participants Sedentary men (n = 116) and women (n = 119) with self-reported physical activity of less than 36 and 34 kcal/kg per day, respectively.Interventions Six months of intensive and 18 months of maintenance intervention on either a lifestyle physical activity or a traditional structured exercise program.Main Outcome Measures Primary outcomes were physical activity assessed by the 7-Day Physical Activity Recall and peak oxygen consumption (VO2peak) by a maximal exercise treadmill test. Secondary outcomes were plasma lipid and lipoprotein cholesterol concentrations, blood pressure, and body composition. All measures were obtained at baseline and at 6 and 24 months.Results Both the lifestyle and structured activity groups had significant and comparable improvements in physical activity and cardiorespiratory fitness from baseline to 24 months. Adjusted mean changes (95% confidence intervals [CIs]) were 0.84 (95% CI, 0.42-1.25 kcal/kg per day; P