Protective Misperception? Prospective Study of Weight Self-Perception and Blood Pressure in Adolescents With Overweight and Obesity.
Protective Misperception? Prospective Study of Weight Self-Perception and Blood Pressure in Adolescents With Overweight and Obesity.
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DOI：
10.1016/j.jadohealth.2016.12.017
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发表时间：
2017-06
期刊：
影响因子：
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通讯作者：
Richmond TK
中科院分区：
文献类型：
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作者：
Unger ES;Kawachi I;Milliren CE;Sonneville KR;Thurston IB;Gooding HC;Richmond TK
低估自己的体重往往被视为减肥的障碍。然而，最近的研究表明，体重感知不足可能是有益的，未来体重增加较少，抑郁症状较少。在这里，我们研究青少年体重感知不足和未来血压之间的关系。利用国家青少年到成人健康纵向研究的数据，我们获得了一个全国代表性的样本2463名超重和肥胖的青少年（学生在1996年8-12年级）。我们使用多变量线性回归前瞻性地研究了青春期体重自我感知与成年期血压之间的关系（2008年;随访率80.3%），控制了年龄，性别，种族/民族，吸烟，饮酒，教育水平，家庭收入和BMI。其他分析按性别和人种/种族分层。与那些认为自己超重的人相比，那些对自己体重认识不足的超重/肥胖青年在成年后的血压更低。收缩压降低为−2.5 mmHg（95% CI：−4.3，−0.7; p=0.006）。虽然性别的相互作用在统计学上不显著（p=0.289），但在按性别分层时出现了重要差异。年轻男性在成年血压与体重自我感知方面没有显着差异。相反，在年轻女性中，体重感知不足与收缩压平均下降-4.3 mmHg相关（95% CI：-7.0，-1.7; p=0.002）。与传统观点相反，体重认知不足与年轻女性健康指标的改善有关。观察到的血压差异在幅度上具有临床相关性，应重新检查纠正体重感知不足的干预措施，以避免意外后果。
Underestimating one’s weight is often seen as a barrier to weight loss. However, recent research has shown that weight under-perception may be beneficial, with lower future weight gain and fewer depressive symptoms. Here, we examine the relationship between adolescent weight under-perception and future blood pressure. Using data from the National Longitudinal Study of Adolescent to Adult Health, we obtained a nationally representative sample of 2463 adolescents with overweight and obesity (students in grades 8–12 in 1996). We used multivariable linear regression to prospectively examine the relationship between weight self-perception in adolescence and blood pressure in adulthood (year 2008; follow-up rate 80.3%), controlling for age, gender, race/ethnicity, smoking, alcohol consumption, education level, household income, and BMI. Additional analyses were stratified by gender and race/ethnicity. Youth with overweight/obesity who under-perceived their weight had lower blood pressure in adulthood than those who perceived themselves to be overweight. The decrease in systolic blood pressure was −2.5 mmHg (95% CI:−4.3,−0.7; p=0.006). Although the interaction by gender was statistically insignificant (p=0.289), important differences appeared upon stratification by gender. Young men showed no significant difference in adult blood pressure related to weight self-perception. Conversely, in young women, weight under-perception was associated with an average decrease in systolic blood pressure of −4.3 mmHg (95% CI:−7.0,−1.7; p=0.002). Contrary to conventional wisdom, weight under-perception is associated with improved health markers in young women. The observed differences in blood pressure are clinically relevant in magnitude, and interventions to correct weight under-perception should be re-examined for unintended consequences.