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Analysis of BMI, Body Composition, Weight Control, Dietary Behaviors of Adult Women


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Analysis of BMI, Body Composition, Weight Control, Dietary Behaviors of Adult Women

Article information

Korean J Community Nutr. 2011;16(4):454-465
Publication date (electronic) : 2011 August 31
doi : https://doi.org/10.5720/kjcn.2011.16.4.454
Jae Ok Koo, Seoyun Park1)
Department of Home Economics, Korea National Open University, Seoul, Korea.
1)Department of Food and Nutrition, Catholic University, Pucheon, Korea.
Corresponding author: Jae Ok Koo, Department of Home Economic Korea National Open University, Dongsungdong 169, Seoul 110-791, Korea. Tel: (02) 3668-4643, Fax: (02) 3668-4188, cokoo@knou.ac.kr
Received 2011 July 12; Revised 2011 August 04; Accepted 2011 August 20.

Abstract

This study was carried out to investigate distribution of obesity, body composition, weight control and dietary behaviors, and to analyze the relationship between Body Mass Index (BMI) and physical characteristics, body composition and dietary behaviors by anthropmetric measurement and questionnaires. The 199 study subjects were divided into 3 age groups; 30's (78), 40's (77) and 50's (44) and 4 groups by BMI ; under weight (4.5%), normal (51.3%), over weight (26.1%) and obese (18.1%). Amount of skeletal muscle, body water, mineral and body fat were significantly increased with BMI. There were especially significant increase skeletal muscle 5.3 kg (19.1 → 23.5 kg), body water 5.3 kg (26.3 → 31.6 kg) and fat 15.2 kg (11.2 → 26.4 kg) from under weight to obesity group, respectively (p < 0.01). There were significantly decreased in the ratio of body water (10.3%), protein (2.7%) and body mineral (1.1%) from under weight to obesity, but significant increase 14.1% in body fat (p < 0.001). About 44.4% of under weight group and 40.1% of normal group and 50% of over and obesity group had dissatisfaction on their body images. Most of the women were concerned about their body images and experienced weight control. Dietary behavior scores of obesity group were significant lower than the other four groups (p < 0.001). There were significant positive correlation between BMI and body water (r = 0.62), protein (r = 0.52), skeletal muscle (r = 0.63), body fat (r = 0.91) and WH ratio (r = 0.91), respectively (p < 0.001). The correlation between BMI and body fat and WH ratio were much higher than the correlation between weight and fat and WH ratio.

Keywords: BMI; body composition; body fat; weight control; dietary behavior

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Article information Continued

Copyright © 2011 The Korean Society of Community Nutrition

Table 1

General characteristics of the subjects

Table 1

Table 2

BMI distribution by age

Table 2

1) Significance as determined by χ2-test

***: p < 0.001

Table 3

Anthropometric characteristics of the subjects by BMI

Table 3

1) Mean ± SD

2) Means with different superscripts (a> b> c> d) within a row are significantly different from each at p = 0.05 by Duncan's multiple range test.

3) Significance as determined by GLM test

4) Significance as determined by χ2-test

***: p<0.001

Table 4

Weight control in experience, reasons, methods, object and result of each group by BMI

Table 4

1) N (%)

2) Means with different superscripts (d> c> b> a) within a row are significantly different from each at p = 0.05 by Duncan's multiple range test.

3) Significance as determined by GLM test

4) Significance as determined by χ2-test

**: p < 0.01, ***: p < 0.001

Table 5

Mean of Obesity behavior in each group by BMI

Table 5

1) The lowes score means having more obesity tendency (Yes : 1, Mostly Yes: 2 Normal: 3, Mostly Not: 4, No: 5)

2) Means with superscripts (a> b) within a row are significantly from each at p = 0.05 by Duncan's multiple range test.

3) Significance as determined by GLM test

*: p < 0.05, **: p < 0.01, ***: p < 0.001

Table 6

Correlation coefficients between physical characteristics and bioelectrical impedance analysis

Table 6

1) Significance as determined by Pearson's correlation coefficient (r)

*: p < 0.05, **: p < 0.01, ***: p < 0.001

Table 7

Correlation coefficients between obesity behavior and Anthropometric characteristics and body composition analysis

Table 7

1) Significance as determined by Pearson's correlation coefficient (r)

*: p < 0.05, **: p < 0.01, ***: p < 0.001