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Ms. Jeong-Hui Park
Kyung Hee Univerisity

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0 Public Health
0 physical activity
0 Sedentary behavior
0 Physical Activity and Health
0 Physical Activity Epidemiology

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Journal article
Published: 07 July 2021 in International Journal of Environmental Research and Public Health
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The current study is to examine the differences in physical activity (PA), sedentary behavior (SB), and mental health (i.e., stress, depression, and suicidal behaviors) between early menopausal women and age-matched general middle-aged women. Among 1348 participants in South Korea, 674 participants who experienced menopause before the age of 45 were defined as the early menopausal group, and 674 women who experienced menopause from 45 years to 55 years were classified as the general group by matching age based on early menopausal women. PA, SB, and mental health were evaluated by using the Global Physical Activity Questionnaire (GPAQ). An independent t-test was used to compare the associations of PA, SB, and mental health between the two groups. To demonstrate the predictors of early menopause, variables in the study were analyzed by multinomial logistic regression. The main findings were that moderate-to-vigorous PA (MVPA) and light PA (LPA) had significant differences between the two groups, but SB had no significant differences. In mental health, only perceived stress had significant differences in this study. The moderate level of stress in the early menopausal group was twice as high as that of the general group, and the severe level of stress was even 2.6 times higher than the general group. PA plays an essential role in mitigating the causes of mortality and the risk of various chronic diseases and improving quality of life; thus, the main findings of this study could be important to provide insights on the corresponding impact between early menopausal women and PA to encourage their healthy lifestyle. Further longitudinal studies are needed to examine the mechanisms underlying the effects of PA, SB, and mental health on early menopausal women.

ACS Style

Ji-Su Kim; Ju-Pil Choe; Jeong-Hui Park; Eunhye Yoo; Jung-Min Lee. The Comparison of Physical Activity, Sedentary Behavior, and Mental Health between Early Menopausal Women and Age-Matched General Middle-Aged Women. International Journal of Environmental Research and Public Health 2021, 18, 7256 .

AMA Style

Ji-Su Kim, Ju-Pil Choe, Jeong-Hui Park, Eunhye Yoo, Jung-Min Lee. The Comparison of Physical Activity, Sedentary Behavior, and Mental Health between Early Menopausal Women and Age-Matched General Middle-Aged Women. International Journal of Environmental Research and Public Health. 2021; 18 (14):7256.

Chicago/Turabian Style

Ji-Su Kim; Ju-Pil Choe; Jeong-Hui Park; Eunhye Yoo; Jung-Min Lee. 2021. "The Comparison of Physical Activity, Sedentary Behavior, and Mental Health between Early Menopausal Women and Age-Matched General Middle-Aged Women." International Journal of Environmental Research and Public Health 18, no. 14: 7256.

Journal article
Published: 21 June 2021 in International Journal of Environmental Research and Public Health
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The current study examined the differences in health-related physical fitness (HRPF), physical activity (PA), and sedentary behavior (SB) between adolescents with and without ongoing respiratory diseases (RD). This study’s participants were from 12 to 15 years old (7th–10th grade) in South Korea. Adolescents with RD were selected through RD-related questions (i.e., asthma, rhinitis, sinusitis, and bronchitis) (n = 139); in contrast, adolescents without RD, randomly selected from the general group, responded to any health problem-related questions as “No” (n = 139). HRPF was measured based on the FITNESSGRAM and EURO FIT test batteries and the measurements of HRPF included cardiovascular endurance, muscular strength, muscular endurance, flexibility, and body composition. All statistical analyses were conducted by SPSS 25.0, and the independent t-test was used to compare the HRPF and PA between the two groups. Moreover, the measured HRPF was compared with a series of analyses of three-way ANOVAs (age × gender × group). Adolescents with RD had a positive association with less participation in PA (p< 0.05; RD: 3081.81 ± 4793.37; general: 2073.64 ± 3123.47) and with more time spent on SB (above 12 h per week: RD group (38.85%) and general group (33.09%)). Furthermore, adolescents in the RD group showed significant effects on all components of HRPF (p< 0.05). Our study confirmed that HRPF is an essential predictor of adolescents’ health outcomes, especially for those with RD. We suggest that increased HRPF can be an effective treatment for respiratory diseases in adolescents, and health practitioners should pay more attention to helping adolescents with RD to gain or maintain high HRPF.

ACS Style

Jeong-Hui Park; Myong-Won Seo; Hyun Jung; Jong-Kook Song; Jung-Min Lee. Association between Health-Related Physical Fitness and Respiratory Diseases in Adolescents: An Age- and Gender-Matched Study. International Journal of Environmental Research and Public Health 2021, 18, 6655 .

AMA Style

Jeong-Hui Park, Myong-Won Seo, Hyun Jung, Jong-Kook Song, Jung-Min Lee. Association between Health-Related Physical Fitness and Respiratory Diseases in Adolescents: An Age- and Gender-Matched Study. International Journal of Environmental Research and Public Health. 2021; 18 (12):6655.

Chicago/Turabian Style

Jeong-Hui Park; Myong-Won Seo; Hyun Jung; Jong-Kook Song; Jung-Min Lee. 2021. "Association between Health-Related Physical Fitness and Respiratory Diseases in Adolescents: An Age- and Gender-Matched Study." International Journal of Environmental Research and Public Health 18, no. 12: 6655.

Journal article
Published: 29 May 2021 in International Journal of Environmental Research and Public Health
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The purpose of the current study is to investigate the changes in physical activity (PA), sleep time (ST), and body weight (BW) Pre- and during COVID-19 in South Korea, and specifically, PA data were obtained during COVID-19 at three-time points based on the multilevel social distancing policies. All data were surveyed by questionnaires online and offline, and participants were required to fill in the monthly average of daily step counts were recorded an application on participants’ smartphone devices from Pre-COVID-19 (2019 year) and during COVID-19 (2020 year). Participants were 834 adults (males: 54.4%, female: 45.6%) and all statistical analyses were summarized by SPSS 25.0 program. The monthly average of daily step counts was 6747.09 during Pre-COVID-19, but the PA during COVID-19 was 5812.11 daily step counts per month. Also, there were significant pairwise differences between average PA Pre-COVID-19 and each level of social distancing (p< 0.001). After COVID-19, the participants who slept less than 7 h decreased by 3.6%, while those who slept more than 9 h increased by that much. As a result of BW, 269 participants responded their BW changed during COVID-19, and 199 of them reported they gained BW during COVID-19 (74.0%). Although self-reported questionnaires may have led to an under-or over-estimation of ST and BW, the present study found that the environment in which the COVID-19 is prevalent had adverse relationships on PA, ST, and BW. Therefore, it is important to identify strategies to motivate individuals for remaining physically active and getting adequate sleep while maintaining social distancing due to the presence of the COVID-19 global pandemic.

ACS Style

Jeong-Hui Park; Eunhye Yoo; Youngdeok Kim; Jung-Min Lee. What Happened Pre- and during COVID-19 in South Korea? Comparing Physical Activity, Sleep Time, and Body Weight Status. International Journal of Environmental Research and Public Health 2021, 18, 5863 .

AMA Style

Jeong-Hui Park, Eunhye Yoo, Youngdeok Kim, Jung-Min Lee. What Happened Pre- and during COVID-19 in South Korea? Comparing Physical Activity, Sleep Time, and Body Weight Status. International Journal of Environmental Research and Public Health. 2021; 18 (11):5863.

Chicago/Turabian Style

Jeong-Hui Park; Eunhye Yoo; Youngdeok Kim; Jung-Min Lee. 2021. "What Happened Pre- and during COVID-19 in South Korea? Comparing Physical Activity, Sleep Time, and Body Weight Status." International Journal of Environmental Research and Public Health 18, no. 11: 5863.

Journal article
Published: 01 May 2021 in Sustainability
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The first aim of this study was to develop equations to predict physical activity energy expenditure (PAEE) for children utilizing heart rate monitors (HRM) and vector magnitudes (VM) from accelerometers. The second aim was to cross-validate the developed PAEE prediction equations and compare the equations to the pre-existing accelerometer-based PAEE equation (i.e., Trost). Seventy-five students in elementary school (from 10 to 13 years old) were classified into an equation calibration group (N = 50, 33 boys and 17 girls) and a cross-validation group (N = 25, 20 boys and 5 girls). Participants simultaneously wore a portable indirect calorimeter (Cosmed’s K4b 2), a heart rate monitor on the chest, and an accelerometer on the right side of the waist. Then, the participants performed a series of various intensity activities. The energy expenditure (EE) measured by K4b 2 was set as the dependent variable. Multiple regression analysis was performed to derive the heart rate and accelerometer-based equations. The heart-rate-based EE equation had an explanatory power of adj. R 2 = 0.814 and the accelerometer-based EE equation had an explanatory power of adj. R 2 = 0.802. The VM-based EE indicated high mean absolute percent errors (MAPE) at light, moderate, and vigorous intensity. The heart-rate-based EE was included in the range of equivalence limit in all activities, but the VM and pre-existing equation showed some overestimation beyond the equivalence range. The agreement errors between the criterion EE and the estimated EE were lower in the heart-rate-based equation than the accelerometer-based equations (i.e., VM and Trost). The approach with the heart-rate-based EE equation demonstrated higher accuracy than the accelerometer-based EE equations. The results of the current study indicate that the heart-rate-based PAEE equation can be a potential method for estimating children’s PAEE.

ACS Style

Mihyun Lee; Jeong-Hui Park; Myong-Won Seo; Seoung-Ki Kang; Jung-Min Lee. A New Equation to Estimate Energy Expenditure Using Heart Rate in Children. Sustainability 2021, 13, 5092 .

AMA Style

Mihyun Lee, Jeong-Hui Park, Myong-Won Seo, Seoung-Ki Kang, Jung-Min Lee. A New Equation to Estimate Energy Expenditure Using Heart Rate in Children. Sustainability. 2021; 13 (9):5092.

Chicago/Turabian Style

Mihyun Lee; Jeong-Hui Park; Myong-Won Seo; Seoung-Ki Kang; Jung-Min Lee. 2021. "A New Equation to Estimate Energy Expenditure Using Heart Rate in Children." Sustainability 13, no. 9: 5092.

Journal article
Published: 03 February 2021 in International Journal of Environmental Research and Public Health
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The purpose of the present cross-sectional study was to examine the impacts of allergic respiratory diseases on physical activity (PA), sedentary behaviors (SB), and body mass index (BMI) by matching age and gender with those adolescents without allergic respiratory diseases. This present study analyzed data from the 2019 Korea Youth Risk Behavior Web-based Survey (KYRBWS). Among 57,303 Korean adolescents who responded to the survey, the study divided adolescents into three different groups (i.e., general, asthma, and allergic rhinitis group). Asthma and allergic rhinitis groups included adolescents who checked on asthma- or allergic rhinitis-related questions as ‘yes’ (n = 259, n = 259), but the general group responded to any diseases-related question as ‘no’ (n = 259). The age and gender of participants among the three groups were matched. The results showed weight and BMI were significantly higher in asthma and allergic rhinitis groups compared to the general group (p < 0.001, p < 0.001). Furthermore, age, asthma, and allergic rhinitis were observed to be strong risk factors for predicting obesity in adolescents (BMI, >25.0 kg/m2). In addition, this study found allergic respiratory diseases strong impacts on BMI levels because adolescents with ongoing asthma, or allergic rhinitis symptoms were more likely to have the inevitability of further weight gain compared to the general adolescents. Therefore, not only national interest in adolescents with allergic respiratory disease is essential, but PA should be encouraged to prevent and alleviate these diseases due to obesity.

ACS Style

Jeong-Hui Park; Eunhye Yoo; Myong-Won Seo; Hyun Jung; Jung-Min Lee. Association between Physical Activity and Respiratory Diseases in Adolescents: An Age- and Gender-Matched Study. International Journal of Environmental Research and Public Health 2021, 18, 1397 .

AMA Style

Jeong-Hui Park, Eunhye Yoo, Myong-Won Seo, Hyun Jung, Jung-Min Lee. Association between Physical Activity and Respiratory Diseases in Adolescents: An Age- and Gender-Matched Study. International Journal of Environmental Research and Public Health. 2021; 18 (4):1397.

Chicago/Turabian Style

Jeong-Hui Park; Eunhye Yoo; Myong-Won Seo; Hyun Jung; Jung-Min Lee. 2021. "Association between Physical Activity and Respiratory Diseases in Adolescents: An Age- and Gender-Matched Study." International Journal of Environmental Research and Public Health 18, no. 4: 1397.

Journal article
Published: 22 January 2021 in Sustainability
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This study aims to understand the process by which ssireum (traditional Korean wrestling), which was labeled a declining industry, has regained its popularity owing to the impact of the media. The study was conducted as a case study with ten ssireum athletes who participated in the television program “The Rhapsody of Ssireum.” Additionally, text analysis was performed based on in-depth interviews and auxiliary data collection. As a result, four media-driven transformative trends in ssireum were observed: a shift of the public’s interest from online to offline under the influence of media, shift in the public’s perception of ssireum athletes’ body, birth of ssireum stars with nicknames matching the characteristics of popular ssireum athletes, and ssireum athletes’ increased sense of responsibility toward ssireum matches felt under the spotlight of the media. Admittedly, media exposure of ssireum athletes has increased significantly compared to the past. However, for the popularization of ssireum, a sport unique to Korea, the athletes, and the ssireum association need to make a sustained effort.

ACS Style

Eunhye Yoo; Jeong-Hui Park; Jung-Min Lee. The Experience and Meaning of Media to Non-Mainstream Athletes: Qualitative Study. Sustainability 2021, 13, 1154 .

AMA Style

Eunhye Yoo, Jeong-Hui Park, Jung-Min Lee. The Experience and Meaning of Media to Non-Mainstream Athletes: Qualitative Study. Sustainability. 2021; 13 (3):1154.

Chicago/Turabian Style

Eunhye Yoo; Jeong-Hui Park; Jung-Min Lee. 2021. "The Experience and Meaning of Media to Non-Mainstream Athletes: Qualitative Study." Sustainability 13, no. 3: 1154.

Journal article
Published: 11 November 2020 in International Journal of Environmental Research and Public Health
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The purpose of this study was to identify the association between physical activity (PA) and predictors of suicidal behaviors and to investigate whether the different PA measurements influence the association between PA and suicidal behaviors in South Korean adults. This study analyzed data from the National Health and Nutrition Examination Survey 2014–2015 data. The study selected participants who checked suicide-related questions as “Yes” (n = 99) and checked suicide-related questions as “No” (n = 99) in the questionnaire. The age, gender, and body mass index of participants between the two groups were matched. The moderate to vigorous PA (p = 0.000) and sedentary PA (p = 0.000), measured by accelerometers, were a significant risk factor for suicidal behaviors. Furthermore, the number of steps was a considerable difference between the two groups (healthy group: 61,495.76 steps; suicide group: 40,517.34 steps), and the accelerometer and questionnaire also showed significant differences. The study demonstrated that there were significant associations with physical activity and socioeconomic status and suicidal behaviors in anthropometry (i.e., age, gender, height, weight) matched groups. Additionally, this study highlights the importance of the assessment of PAs, and increasing PA levels could reduce the incidence of suicidal behaviors.

ACS Style

Jeong-Hui Park; Myong-Won Seo; Hyun Chul Jung; Jung-Min Lee. Let’s Live Healthier: The Relationship between Suicidal Behavior and Physical Activity in an Age-, Gender-, and Body Mass Index-Matched Adults. International Journal of Environmental Research and Public Health 2020, 17, 8350 .

AMA Style

Jeong-Hui Park, Myong-Won Seo, Hyun Chul Jung, Jung-Min Lee. Let’s Live Healthier: The Relationship between Suicidal Behavior and Physical Activity in an Age-, Gender-, and Body Mass Index-Matched Adults. International Journal of Environmental Research and Public Health. 2020; 17 (22):8350.

Chicago/Turabian Style

Jeong-Hui Park; Myong-Won Seo; Hyun Chul Jung; Jung-Min Lee. 2020. "Let’s Live Healthier: The Relationship between Suicidal Behavior and Physical Activity in an Age-, Gender-, and Body Mass Index-Matched Adults." International Journal of Environmental Research and Public Health 17, no. 22: 8350.

Journal article
Published: 22 October 2020 in Sustainability
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BodyMetrix™ BX-2000 (IntelaMetrix, Livermore, CA, USA) has been introduced as one of the alternatives and portable methods to estimate body fat percentage. However, inconsistent results between protocols built-in the BodymetrixTM may be compelling the question of its validity. Thus, this study first investigated the possible errors between protocols and evaluated the validity of body fat percentage (BF%) compared to the gold standard method (dual-energy X-ray absorptiometry, DEXA). One hundred and five collegiate males, aged 20.01 ± 2.11 years, body height, 174.81 ± 6.01 cm, body mass, 73.26 ± 13.60 kg, and body mass index, 23.91 ± 3.77 kg·m−2 participated in the present study. Participants’ body fat percentage was estimated by built-in nine different protocols in the BodyMetrix™ BX-2000 using A-MODE ultrasound. Pearson correlation (r), Mean absolute percentage errors (MAPEs), Bland & Altman plots, and Equivalence testing were used to examine the validity of each protocol by comparing it to the criterion measure (i.e., DEXA). The results indicated good potential for almost all of the protocols in correlation (Min: r = 0.79, Max: r = 0.92)., MAPEs (Min: 20.0%, Max: 33.8%), and Bland-Altman (Min diff: 16.7, Max diff: 41.4). Particularly, the estimated BF% from protocol 7 (4-sites by Durnin & Wormersley) and protocol 9 (9-sites Parllo) were completed within the equivalence zone (±10% of the mean). The estimates measured by protocol 7 and protocol 9 identified as the most valid methods for estimating BF% using a BodyMetrix™ BX-2000, compared to the DEXA. Our findings provide valuable information when applying in young male individuals, but future studies with other populations such as female or adolescents may be required to suggest a valid protocol within the instrument.

ACS Style

Seoungki Kang; Jeong-Hui Park; Myong-Won Seo; Hyun Chul Jung; Yong Ik Kim; Jung-Min Lee. Validity of the Portable Ultrasound BodyMetrix™ BX-2000 for Measuring Body Fat Percentage. Sustainability 2020, 12, 8786 .

AMA Style

Seoungki Kang, Jeong-Hui Park, Myong-Won Seo, Hyun Chul Jung, Yong Ik Kim, Jung-Min Lee. Validity of the Portable Ultrasound BodyMetrix™ BX-2000 for Measuring Body Fat Percentage. Sustainability. 2020; 12 (21):8786.

Chicago/Turabian Style

Seoungki Kang; Jeong-Hui Park; Myong-Won Seo; Hyun Chul Jung; Yong Ik Kim; Jung-Min Lee. 2020. "Validity of the Portable Ultrasound BodyMetrix™ BX-2000 for Measuring Body Fat Percentage." Sustainability 12, no. 21: 8786.