Young-Suk Kim; Jae-Kyung Shin; In-Sun Hong; Seon-Hee Kim; Un-Jae Chang

doi:10.5720/kjcn.2011.16.6.697

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Original Article
Weight Control Program through the Fortification of Food Consumption Monitoring on Obese Female College Students: Using Smart-Phone with Real Time Communication Application: Young-Suk Kim, Jae-Kyung Shin, In-Sun Hong, Seon-Hee Kim, Un-Jae Chang; Korean Journal of Community Nutrition 2011;16(6):697-705.
DOI: https://doi.org/10.5720/kjcn.2011.16.6.697
Published online: December 31, 2011

Department of Food & Nutrition, DongDuk Women's University, Seoul, Korea.

¹Department of Obesity Management, DongDuk Women's University, Seoul, Korea.

²Department of Food and Beauty Coordination, SuWon Science College, Suwon, Korea.

Corresponding author: Un-Jae Chang, Department of Food and Nutrition, Dongduk Women's University, 23-1 Wolgok-dong, Sungbuk-ku, Seoul 136-714, Korea. Tel: (02) 940-4464, Fax: (02) 940-4609, uj@dongduk.ac.kr

• Received: September 22, 2011 • Revised: November 25, 2011 • Accepted: December 1, 2011

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Abstract
NOTES
REFERENCES

Abstract

This study was conducted to investigate the effects of real time communication digital photography method using Kakao Talk application in smart-phone for the fortification of food consumption monitoring and weight reduction. Thirty-four female college students were randomly assigned to the camera-phone (CP) group or smart-phone (SP) group. Each group participated in the weight control program for 8 weeks. The mean energy intake of CP group during program was 1353.5 kcal and the SP group consumed 1289.2 kcal. The total energy intake of both groups was significantly decreased during the program. The CP group lost 1.9 kg of body weight and 1.9% of body fat and the SP group lost 4.3 kg of body weight and 3.0% of body fat. The body weight was significantly decreased in the SP group compared to the CP group. The triglyceride and total cholesterol, and LDL-cholesterol level of SP group were significantly decreased during the program. However, there were no significant changes in CP group during the program. Also there were no significant changes in lipid profile between two groups. In this study, it is considered that real time communication digital photography method using Kakao Talk application in smart-phone might influence weight control through a trained consumption monitoring. Therefore, smart-phone can lead individuals to rely more heavily on easy-to-monitor visual cues.
Keywords: smart-phone; digital photography method; body weight; consumption monitoring

NOTES

This research was supported by Basic Science Research Program through the National Research Foundation of Korea(NRF) funded by Ministry of Education, Science & Technology (2010-0022269)

REFERENCES

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Table 1

General characteristics of subjects

1) CP: camera-phone

2) SP: smart-phone

3) BMI: body mass index, body weight (kg) / [heigh (m)]²

4) WHR: waist to hip ratio

5) Mean ± SEM

Table 2

Comparison of the actual amount and the perceived amount of cherry tomatoes between CP group and SP group

1) CP: camera-phone

2) SP: smart-phone

3) AC: actual amount

4) PC: perceived amount

5) Δchange: asterisk is significant difference between pre and post program of each group by paired t-test (^*: p < 0.05 ^**: p < 0.01)

6) p-value: asterisk is significant difference between CP and SP group by independent t-test

7) Mean ± SEM

Table 3

Changes of daily nutrient intakes during 8 weeks weight control program between CP group and SP group

1) CP: camera-phone

2) SP: smart-phone

3) Δchange: asterisk is significant difference between before and during the program of each group by paired t-test (^*: p < 0.05, ^**: p < 0.01, ^***: p < 0.001)

4) p-value: asterisk is significant difference between CP and SP group by independent t-test

5) Mean ± SEM

Table 4

Changes of body composition during 8 weeks weight control program between CP group and SP group

1) CP: camera-phone

2) SP: smart-phone

3) BMI: body mass index. body weight (kg) / [height (m)]²

4) Δchange: asterisk is significant difference between Pre and post program of each group by paired t-test (^*: p < 0.05, ^**: p < 0.01, ^***: p < 0.001)

5) p-value: asterisk is significant difference between CP and SP group by independent t-test

6) Mean ± SEM

Table 5

Changes of blood pressure and serum lipids during 8 weeks weight control program between CP group and SP group

1) CP: camera-phone

2) SP: smart-phone

3) Δchange: asterisk is significant difference between pre and post program of each group by paired t-test (^*: p < 0.05)

4) p-value: asterisk is significant difference between CP and SP group by independent t-test

5) Mean ± SEM

Figure & Data

REFERENCES

Citations

Citations to this article as recorded by

Leveraging Multimodal Supports using Mobile Phones for Obesity Management in Elementary-School Children: Program Providers' Perspective from a Qualitative Study
Mi-Young Park, Jae Eun Shim, Kirang Kim, Ji-Yun Hwang
Korean Journal of Community Nutrition.2017; 22(3): 238. CrossRef
Development of tailored nutrition information messages based on the transtheoretical model for smartphone application of an obesity prevention and management program for elementary-school students
Ji Eun Lee, Da Eun Lee, Kirang Kim, Jae Eun Shim, Eunju Sung, Jae-Heon Kang, Ji-Yun Hwang
Nutrition Research and Practice.2017; 11(3): 247. CrossRef
Effect of Food Consumption Monitoring Using a Smartphone on Weight Changes in Obese Women
Young-Suk Kim, Jeong-Ja On, Yang-Hee Hong, In-Sun Hong, Un-Jae Chang
Journal of the Korean Dietetic Association.2014; 20(2): 123. CrossRef

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Weight Control Program through the Fortification of Food Consumption Monitoring on Obese Female College Students: Using Smart-Phone with Real Time Communication Application

Korean J Community Nutr. 2011;16(6):697-705. Published online December 31, 2011

DOI: https://doi.org/10.5720/kjcn.2011.16.6.697

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Weight Control Program through the Fortification of Food Consumption Monitoring on Obese Female College Students: Using Smart-Phone with Real Time Communication Application

Table 1

General characteristics of subjects

1) CP: camera-phone

2) SP: smart-phone

3) BMI: body mass index, body weight (kg) / [heigh (m)]²

4) WHR: waist to hip ratio

5) Mean ± SEM

Table 2

Comparison of the actual amount and the perceived amount of cherry tomatoes between CP group and SP group

1) CP: camera-phone

2) SP: smart-phone

3) AC: actual amount

4) PC: perceived amount

5) Δchange: asterisk is significant difference between pre and post program of each group by paired t-test (^*: p < 0.05 ^**: p < 0.01)

6) p-value: asterisk is significant difference between CP and SP group by independent t-test

7) Mean ± SEM

Table 3

Changes of daily nutrient intakes during 8 weeks weight control program between CP group and SP group

1) CP: camera-phone

2) SP: smart-phone

3) Δchange: asterisk is significant difference between before and during the program of each group by paired t-test (^*: p < 0.05, ^**: p < 0.01, ^***: p < 0.001)

4) p-value: asterisk is significant difference between CP and SP group by independent t-test

5) Mean ± SEM

Table 4

Changes of body composition during 8 weeks weight control program between CP group and SP group

1) CP: camera-phone

2) SP: smart-phone

3) BMI: body mass index. body weight (kg) / [height (m)]²

4) Δchange: asterisk is significant difference between Pre and post program of each group by paired t-test (^*: p < 0.05, ^**: p < 0.01, ^***: p < 0.001)

5) p-value: asterisk is significant difference between CP and SP group by independent t-test

6) Mean ± SEM

Table 5

Changes of blood pressure and serum lipids during 8 weeks weight control program between CP group and SP group

1) CP: camera-phone

2) SP: smart-phone

3) Δchange: asterisk is significant difference between pre and post program of each group by paired t-test (^*: p < 0.05)

4) p-value: asterisk is significant difference between CP and SP group by independent t-test

5) Mean ± SEM

Table 1 General characteristics of subjects

1) CP: camera-phone

2) SP: smart-phone

3) BMI: body mass index, body weight (kg) / [heigh (m)]²

4) WHR: waist to hip ratio

5) Mean ± SEM

Table 2 Comparison of the actual amount and the perceived amount of cherry tomatoes between CP group and SP group

1) CP: camera-phone

2) SP: smart-phone

3) AC: actual amount

4) PC: perceived amount

5) Δchange: asterisk is significant difference between pre and post program of each group by paired t-test (^*: p < 0.05 ^**: p < 0.01)

6) p-value: asterisk is significant difference between CP and SP group by independent t-test

7) Mean ± SEM

Table 3 Changes of daily nutrient intakes during 8 weeks weight control program between CP group and SP group

1) CP: camera-phone

2) SP: smart-phone

3) Δchange: asterisk is significant difference between before and during the program of each group by paired t-test (^*: p < 0.05, ^**: p < 0.01, ^***: p < 0.001)

4) p-value: asterisk is significant difference between CP and SP group by independent t-test

5) Mean ± SEM

Table 4 Changes of body composition during 8 weeks weight control program between CP group and SP group

1) CP: camera-phone

2) SP: smart-phone

3) BMI: body mass index. body weight (kg) / [height (m)]²

4) Δchange: asterisk is significant difference between Pre and post program of each group by paired t-test (^*: p < 0.05, ^**: p < 0.01, ^***: p < 0.001)

5) p-value: asterisk is significant difference between CP and SP group by independent t-test

6) Mean ± SEM

Table 5 Changes of blood pressure and serum lipids during 8 weeks weight control program between CP group and SP group

1) CP: camera-phone

2) SP: smart-phone

3) Δchange: asterisk is significant difference between pre and post program of each group by paired t-test (^*: p < 0.05)

4) p-value: asterisk is significant difference between CP and SP group by independent t-test