Comparison Study of Dietary Behavior, Nutrition Knowledge, and Body Weight Perception of Female High School Students in Jeonju, Korea and Jinan, China

2016 ◽  
Vol 25 (1) ◽  
pp. 121 ◽  
Author(s):  
Eun-Jung Joo ◽  
Eun-Sook Park
PEDIATRICS ◽  
1989 ◽  
Vol 83 (3) ◽  
pp. 393-398
Author(s):  
Nancy Moses ◽  
Mansour-Max Banilivy ◽  
Fima Lifshitz

The perceptions concerning weight, dieting practices, and nutrition of 326 adolescent girls attending an upper middle-class parochial high school were studied in relation to their body weight. Underweight or overweight students were those with greater than 10% body weight differential for height. The high school students reported an exaggerated concern with obesity regardless of their body weight or nutrition knowledge. Underweight, normal weight, and overweight girls were dieting to lose weight and reported frequent self-weighing practices. As many as 51% (n = 60) of the underweight adolescents described themselves as extremely fearful of being overweight and 36% (n = 43) were preoccupied with body fat. A distorted perception of ideal body weight was documented, particularly among the underweight students; the greater the underestimation of perceived ideal body weight, the greater the actual deficit in ideal body weight for height of the students (r = .73; P < .001). Normal weight and overweight girls had better concordance between their actual and perceived ideal body weight for height. The frequency of bingeing and vomiting behaviors was similar among the three weight categories. The data suggest that fear of obesity and inappropriate eating behaviors are pervasive among adolescent girls regardless of body weight or nutrition knowledge.


2020 ◽  
Vol 42 (9) ◽  
pp. 718-727
Author(s):  
So Hyun Park ◽  
Hanjong Park

This study examined the indirect effect of parental support for physical activity on children’s body weight through physical activity and screen time. We also compared the results between children with correct body weight perception and those with incorrect body weight perception. A secondary data analysis was performed using the 2010 National Youth Physical Activity and Nutrition Survey of 11,458 U.S. high school students. Data analyses were conducted using Mplus 8.3 and AMOS 26.0. One third of children were overweight or obese. Physical activity and screen time significantly mediated the relationship between parental support for physical activity and children’s body weight regardless of body weight perception. Parental support for physical activity had a direct effect on children’s body weight only among children who incorrectly estimate their body weight. Developers of childhood obesity programs can use the direct and indirect pathways between parental support and children’s health-related behaviors associated with childhood obesity.


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