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首页食物渴望与女性生育年龄体重指数及体成分关联研究
本文研究主要探讨了"生殖年龄女性食物渴望行为与体重指数和身体成分的关系"。研究目的是评估食物渴望(FC)这一行为现象与女性的体重指数(BMI)以及身体组成(如体脂百分比)之间的关联。研究在健康与职业环境实验室进行,选取了302名来自中等社会经济阶层的育龄女性作为样本。 研究人员设计并验证了一种针对女性的FC行为问卷(FCQ),该问卷涵盖了五个维度:休闲娱乐中的食物渴望、社交情境下的心理反应(包括抑郁、焦虑和压力)、社交愤怒等。研究的因变量包括BMI值和体脂肪含量,通过国际人体测量学学会的程序来测量这些生理指标。 研究发现,高达98.7%的女性表现出食物渴望的行为。有趣的是,BMI较高的女性在FC抑郁和FC愤怒两个维度上的得分更高,这表明高BMI可能与情绪化的食物渴望和负面心理反应有关。进一步的分析显示,食物渴望行为和食物心理反应不仅是BMI的积极预测因素,同时它们也是上体和下体脂肪量增加的预测指标,这意味着饮食心理反应可能对整体体重和身体分布产生影响。 结论指出,食物渴望是生殖年龄女性群体中的普遍问题,特别是当它与情绪调节和身体成分变化相关时,可能需要更加重视。这项研究结果提示,针对女性的食物渴望行为干预可能有助于改善饮食习惯,进而影响体重管理和身体健康。此外,它强调了心理健康在肥胖和身体成分变化中的潜在作用,为未来在预防和管理肥胖症方面提供了一个新的视角。
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M.-D-L-R. Moreno-Frías et al.
702
2.5. Standardization of Food Craving Questionnaire (Analysis of
the Items)
To standardize the FCQ, we proceeded to evaluate: a)
Distribution
: 36 items had
positive bias (>0.5): items 1 - 3, 5 - 35, and 37. Item 36 exhibited negative bias
(<0.5). Four of the items presented a normal distribution; b)
directionality
: items
1 and 7 had a flattened frequency indicating that the remaining items were con-
sistent with the theory; c)
discrimination
: A Student’s t-test was performed for
independent samples. The items were statistically significant (p < 0.05) and no
items were discarded; d)
internal consistency
: to determine that the items were
consistent with each other a Cronbach
α
analysis was performed. The correlation
of the total corrected element from each of them was greater than 0.2 which in-
dicated all items were consistent with each other (
α
= 0.92).
2.6. Validity of the Food Craving Questionnaire
The validity of the FCQ was determined using a factorial statistical analysis. Six
items were removed because they presented with values less than 0.4 in the ma-
trix of rotated components (items 1, 7, of leisure; item 18 of anxiety; items 21
and 25 of depression; and item 26 of anger, as defined in test plan described pre-
viously). The results of the factor analysis showed six factors in the matrix of ro-
tated components, orthogonal rotation method. Rotation converged in 9 itera-
tions. A factor was removed because not present the appropriate values for the
rotated component matrix (<0.4), giving a total solution of 5 factors and 30
items, as well as the total of items for each factor. Subsequently, the total va-
riance explained in each of the factors in the FCQ using the extraction method
of principal component analysis, where it was observed that the five factors ex-
plain 63.5% of the phenomenon anxiety described by the food. The reliability of
the instrument was determined by Cronbach
α
statistical analysis for the re-
maining 30 items. A value of
α
= 0.92 for total test which indicated there were
high levels of reliability.
2.7. Procedures
Once the study was approved by the Ethics Committee (described above), vo-
lunteers gave their consent to participate in the study. Participants answer ques-
tions related to the clinical history: age, occupation, place of residence, schooling
level, civil status, income, gynecological data (age at menarche, characteristics of
the menstrual cycle, use of oral contraceptives, and number of pregnancies,
abortions, and cesarean sections). We also asked questions about practice of
physical exercise (type of physical exercise, time since practice, number of days
per week of practice, and duration in minutes), following the criteria of the
American College of Sports Medicine [21]. Subsequently, the participants ans-
wered the FC behavior questionnaire described above.
2.8. Anthropometrical Evaluation
The anthropometrical measurements followed guidelines according to the In-
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