Self-determined motivation towards physical activity in adolescents treated for obesity: an observational study.
Self-determined motivation towards physical activity in adolescents treated for obesity: an observational study.
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DOI：
10.1186/1479-5868-8-97
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发表时间：
2011-09-19
期刊：
影响因子：
--
通讯作者：
Deforche B
中科院分区：
文献类型：
--
作者：
Verloigne M;De Bourdeaudhuij I;Tanghe A;D'Hondt E;Theuwis L;Vansteenkiste M;Deforche B
在自我决定理论（SDT）的框架内，第一个主要的研究目的是调查SDT原则在肥胖青少年人口通过检查的因素结构的行为调节运动问卷-2（BREQ-2），并通过调查肥胖青少年的身体活动（PA）和动机之间的关联。第二个目的是研究动机的差异，根据青少年的教育水平，因为低教育程度的肥胖青少年是一个低PA水平的肥胖青少年的亚危险组。第三个目的是调查是否参加住宅肥胖治疗计划可能会导致增加对PA的自主动机，并看看治疗效果的动机是不同的低学历与高学历的青年。对于第一个研究目标，样本包括177名肥胖青少年，他们开始了为期10个月的多学科住院肥胖治疗计划（BMI = 35.9 ± 6.0 kg/m2，15.1 ± 1.5岁，62%为女孩）。作为第二和第三个研究目标的一部分，65名青少年（按教育水平分层）的子样本被分为低学历（n = 34）与高学历（n = 31）。动机进行了评估，使用BREQ-2和PA使用佛兰芒体力活动问卷。探索性因素分析显示，19个BREQ-2项目中有17个项目的原始因素得到了充分的验证。PA与相对自主性（r = 0.31，p < 0.001）、内射性（r = 0.23，p <0.001）、认同性（r = 0.31，p < 0.001）和内在调节性（r = 0.38，p < 0.001）的综合得分呈显著正相关。在治疗开始时，受教育程度较高的青少年在相对自主性、内向性、认同性和内在调节性方面的综合得分较高（F = 3.68，p < 0.001）。所有青少年在治疗期间的相对自主性、外部调节、识别调节和内在调节的综合评分均显著增加（F = 6.65，p < 0.001）。低文化程度的青少年的内向调节能力显著增强（F = 25.57，p < 0.001）。BREQ-2可用于肥胖青少年人群。对PA的自主性动机水平较高的PA水平。在治疗期间，青少年的自主和控制形式的动机都有所增加。在治疗过程中，需要特别关注受教育程度较低的青少年，因为他们在治疗开始时的自主动机较低，在治疗过程中的内向调节增加。
Within the Self-Determination Theory (SDT) framework, the first major study aim was to investigate the SDT tenets in an obese adolescent population by examining the factor structure of the Behavioural Regulation in Exercise Questionnaire-2 (BREQ-2) and by investigating associations between physical activity (PA) and motivation in obese adolescents. The second aim was to study differences in motivation according to adolescents' educational level, since lower educated obese adolescent are a sub-risk group for lower PA levels among the obese adolescents. The third aim was to investigate whether attending a residential obesity treatment program could lead to an increase in autonomous motivation towards PA and to see if the treatment effect on motivation was different in low versus high educated youth. For the first study aim, the sample comprised 177 obese adolescents at the start of a 10-month multidisciplinary residential obesity treatment program (BMI = 35.9 ± 6.0 kg/m2, 15.1 ± 1.5 years, 62% girls). A subsample of 65 adolescents (stratified by educational level) were divided into low (n = 34) versus high educated (n = 31) as part of the second and third study aim. Motivation was assessed using the BREQ-2 and PA using the Flemish Physical Activity Questionnaire. Exploratory factor analysis showed sufficient validations with the original factor for 17 out of 19 BREQ-2 items. Significant positive correlations were found between PA and the composite score of relative autonomy (r = 0.31, p < 0.001), introjected (r = 0.23, p < 0.01), identified (r = 0.31, p < 0.001) and intrinsic regulation (r = 0.38, p < 0.001). Higher educated adolescents scored higher on the composite score of relative autonomy, introjected, identified and intrinsic regulation at the start of treatment (F = 3.68, p < 0.001). The composite score of relative autonomy, external, identified and intrinsic regulation significantly increased during treatment for all adolescents (F = 6.65, p < 0.001). Introjected regulation significantly increased for lower educated adolescents (F = 25.57, p < 0.001). The BREQ-2 can be used in an obese adolescent population. Higher levels of autonomous motivation towards PA were related to higher PA levels. Adolescents had increases in both autonomous and controlled forms of motivation during treatment. Special attention for lower educated adolescents during treatment is needed, as they have a lower autonomous motivation at the start of treatment and an increase in introjected regulation during treatment.
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