Does Self-Perception Equal the Truth When Judging Own Body Weight and Height?

Haakstad, Lene Annette Hagen; Stensrud, Trine; Gjestvang, Christina

doi:10.3390/ijerph18168502

Cited by 11 publications

(7 citation statements)

References 44 publications

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“…Crucial is to consider relation of two basic factors of physical development that is height and body mass. On the one hand, we can observe the acceleration of human development, which manifests itself in a greater body height of successive generations, but on the other, we see dangerous for health development of overweightness and obesity [19,20,21].…”

Section: Discussionmentioning

confidence: 99%

Evaluation of a body height and weight harmony among university students

Nowak¹,

Zanevskyy²

2022

PES

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Background and Study Aim. A harmony between the body weight and height is one of the most important sign of the right body composition. The aim of this research was to compare objective and subjective evaluations of the body weight and height correlation by university students. Material and Methods. Students of three years Bachelor programs in the humanistic university were investigated: 137 males in the age of 22.1±1.7 years old, body height – 180.0±7.9 cm, body weight – 79.6±12.3 kg; 281 females in the age of 21.5±2.1 years old, body height – 166.4±6.0 cm, body weight – 59.6±8.9 kg. During the lessons of Physical Education, students were asked to evaluate mentally their body weight value using three categories: normal, overweight, and underweight. A body weight value was evaluated using BMI model too. Correlation between results of these two evaluations was determined using the Pearson interclass correlation coefficient. Results. One way ANOVA showed relatively small differences between BMI values of three studied groups: (p=0.235). Within groups variation was in the medium interval: from V=11.4% in the Nursing group up to 16.6% – in the Physical Education group. Totally for all the participants, Pearson interclass correlation showed moderate significant correlation (r=0.354, p<0.001) between results of the objective as BMI values and subjective evaluations as data received from a special questionnaire. Conclusions. Comparison of the objective evaluation results of body weight by BMI and results of subjective evaluation regarding the body weight were compared vs. results evaluated mentally by students. Subjective evaluated results very good met results obtained from BMI values. Corresponding error appeared negligible small. Statistical hypothesis regarding a common general population these two samples was accepted.

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Section: Discussionmentioning

confidence: 99%

Evaluation of a body height and weight harmony among university students

Nowak¹,

Zanevskyy²

2022

PES

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“…For instance, self-report of body weight and height may be biased by the individual's feelings at the time they fill out the questionnaire and participants often want to present the best versions, or at least a socially acceptable version of themselves ( 60 ). Yet, we have previously published a paper showing that both male and female fitness club members reported body weight and height reasonably accurately and that BMI based on self-report appears to be a valid measure ( 61 ). Further, we believe that using a questionnaire to gather data on BMI was an appropriate measurement method during the COVID-19 pandemic and social lockdown.…”

Section: Discussionmentioning

confidence: 99%

The Coronavirus pandemic and closed fitness clubs negatively affected members exercise habits

Gjestvang

Tangen

Haakstad

2022

Front. Sports Act. Living

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IntroductionDue to the Coronavirus pandemic, politicians enacted directions to reduce social interactions, including lockdown of fitness clubs. We aimed to investigate how this changed exercise habits of Norwegian gym members.MethodBased on survey data, men and women (≥18 years, n = 233, data collection from Aug. 2020 to Jan. 2021) were recruited to this study by an email-invitation from their fitness club chain or by Facebook advertisement. The participants reported on background variables (e.g., age, gender, total household income, occupation, and education), and exercise habits pre- and during social lockdown. Data were analyzed using independent or student t-test, chi-squared test, or McNemar's test, as appropriate.ResultsHome-based exercise (18.0 vs. 72.5%, p = <0.001), walking (49.8 vs. 65.2%, p = <0.001), and cycling (16.7 vs. 24.5%, p = 0.004) was more common during than pre-lockdown. Also, men (4.33 to 3.68 days/week, p =0.013) and women (4.20 to 3.79 days/week, p = 0.001) reported a lower exercise frequency, and a shorter duration. Exercise frequency was lower in those with a BMI ≥25 than in those with BMI <25 (3.95 vs. 4.48 days/week, p = <0.007) pre-lockdown. High exercise attendees (≥3 sessions/week, 66.5%) reported a smaller decrease in exercise frequency (mean change: 0.06 vs. 1.24 days/week, p = <0.001) and duration (>60 min. per session: 33.0 vs. 3.8%, p = <0.001) than low exercise attendees during lockdown.DiscussionHome-based exercise, walking, and cycling were most frequently reported during lockdown. Participants reported a small decrease in exercise duration and frequency compared with pre-lockdown. Closure of fitness clubs impacted low attendees more than high attendees.

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“…Third, the BMI was calculated using height and weight from self-reported questionnaires in the main study. Previous studies have shown no substantial differences between BMI calculated from self-reported height and weight and that calculated from measured height and weight, indicating that self-reported weight and height are useful (69). Therefore, it is unlikely that the use of self-reported height and weight data significantly distorted the results.…”

Section: Limitationsmentioning

confidence: 94%

Genome wide association study based on clustering by obesity-related variables shed light on a genetic architecture of obesity in Japanese and UK population

Takahashi

Ohseto

Ueno

et al. 2023

Preprint

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Background: Many loci associated with obesity have been reported in previous genome-wide association studies (GWASs). However, it remains unclear whether variants at all these loci contributed to onset of obesity or whether one or a few variants cause obesity when obesity is a genetically heterogeneous population. Objective: To investigate the genetic architecture of obesity by clustering a population with obesity into clusters using obesity-related factors. Methods: This study was based on the Tohoku Medical Megabank Project Birth and Three-Generation Cohort Study and the Community-Based Cohort Study. As the Step-1, a GWAS with body mass index (BMI) as an outcome was performed for all 48,365 eligible participants. As the Step-2, we then assigned the 13,067/48,365 participants with obesity (BMI ≥ 25 kg/m2) using the k-prototype to 5 clusters. Obesity-related factors (such as age, nutrient intake, physical activity, sleep duration, difference between weight at age 20 and current weight, smoking, alcohol drinking, psychological distress, and birth weight) were used for clustering. Subsequently, participants in each cluster and those with a BMI < 25 kg/m2 were combined, and GWASs were performed according to the 5 clusters. Additionally, a sub-analysis using data from the UK Biobank was conducted to compare the results. Results: The Step-1 detected 18 genes, most of which were reportedly associated with obesity or obesity-related topics in previous studies. The result of Step-2, of the 18 genes detected in Step-1, LINC01741, CRYZL2P-SEC16B, and SEC16B were significantly related to Cluster 2, FTO, PMAIP1, and MC4R to Cluster 3, and BDNF, BDNF-AS, LINC00678, and KIF18A to Clusters 4 and 5. In the sub-analysis, a similar phenomenon was observed in which separate obesity-related genes were detected for each cluster. Conclusions: Our data support the notion that a decreased sample size with increased homogeneity may reveal insights into the genetic architecture of obesity.

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Does Self-Perception Equal the Truth When Judging Own Body Weight and Height?

Cited by 11 publications

References 44 publications

Evaluation of a body height and weight harmony among university students

Evaluation of a body height and weight harmony among university students

The Coronavirus pandemic and closed fitness clubs negatively affected members exercise habits

Genome wide association study based on clustering by obesity-related variables shed light on a genetic architecture of obesity in Japanese and UK population

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