Use of Quantile Regression in Determining Factors Associated with BMI Among Vulnerable Adolescents in Rivers State, Nigeria

Body Mass Index has been investigated using the traditional regression methods which may not provide a complete picture of the effects of the independent variables when the outcome is continuous and skewed. Information on the nutritional status of vulnerable adolescents in Nigeria is scanty thereby hindering appropriate intervention by policy decision-makers. We investigated the nutritional status of vulnerable adolescents by examining their body mass index (BMI). A cross-sectional survey of vulnerable adolescents, aged 10-17 years was conducted in three local government areas in Rivers state, Nigeria. A structured questionnaire was used to gather information on the economic status, means of livelihood and accessibility to education, nutrition and health of the adolescents. Quantile regression models were fitted to the data. About 39% of the 494 adolescents were underweight, 49.8% had normal weight, 5.5% were overweight while 6.1% were obese. Age was a significant predictor of BMI for the males at the 50th quantile. Adolescent males that experienced food insecurity showed lower BMI compared to those who were food secured. Age, sex, food insecurity and household economy were determinants of BMI among vulnerable adolescents.

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Hubungan Body Mass Index dengan Laju Aliran Saliva (Studi pada Mahasiswa Fakultas Kedokteran Gigi Universitas Andalas)

Majalah Kedokteran Gigi Indonesia ◽

10.22146/majkedgiind.9230 ◽

2015 ◽

Vol 20 (2) ◽

pp. 149

Author(s):

Fildzah Nurul Fajrin ◽

Zulkarnain Agus ◽

Nila Kasuma

Keyword(s):

College Students ◽

Body Mass Index ◽

Nutritional Status ◽

Body Mass ◽

Flow Rate ◽

Influencing Factor ◽

Normal Weight ◽

Cross Sectional ◽

Saliva Flow Rate ◽

Saliva Flow

Laju aliran saliva merupakan salah satu faktor penting pembentukan karies. Laju aliran saliva yang adekuat dapat mencegah proses pembentukan karies dan perkembangan penyakit periodontal dan infeksi oral. Status gizi adalah salah satu faktor yang mempengaruhi laju aliran saliva. Salah satu parameter status gizi adalah Body Mass Index (BMI). Tujuan penelitian ini adalah untuk mengetahui hubungan antara BMI dengan laju aliran saliva. Penelitian ini merupakan penelitian observasional dengan pendekatan crosss sectional study yang dilakukan pada 24 orang mahasiswa Fakultas Kedokteran Gigi Universitas Andalas yang berumur 18 – 25 tahun yang memenuhi kriteria inklusi dan eklusi. BMI ditentukan dengan rumus BMI dengan satuan kg/m2. Laju aliran saliva ditentukan dengan metode Sialometry Navazesh (2008) dalam satuan ml/menit. Analisa data univariat dilakukan untuk mendeskripsikan masing-masing variabel, untuk melihat distribusi normal (p > 0,05) dilakukan uji normalitas Kolmogorov Smirnof test. Setelah terbukti variabel terdistribusi normal, selanjutnya dilakukan uji korelasi regresi untuk mengetahui hubungan antara BMI dengan laju aliran saliva. Berdasarkan hasil uji korelasi didapatkan rata-rata BMI mahasiswa Fakultas Kedokteran Gigi Universitas Andalas adalah χχ ± SD = 24,50 ±6,02 kg/m2 dan laju aliran saliva adalah χχ ± SD = 0,29 ± 0,10 ml/menit. Hubungan antara BMI dengan laju aliran saliva menunjukkan hubungan sedang dengan arah negatif (r = - 0,451). Hasil uji regresi linear diketahui bahwa Laju Aliran Saliva = 0,404 - 0,008*(BMI). Koefisien regresi BMI 0.008 menyatakan bahwa setiap penambahan 1 BMI maka akan menurunkan laju aliran saliva sebanyak 0,008 ml/menit. Penelitian ini menyimpulkan bahwa terdapat hubungan bemakna antara Body Mass Index (BMI) dengan laju aliran saliva. Pada kelompok obesity memiliki laju aliran yang lebih rendah dibandingkan individu non obese (underweight, normal weight dan overweight). Sedangkan laju aliran saliva pada kelompok underweight tidak ditemukan penurunan laju aliran saliva.Relationship between Body Mass Index and Saliva Flow Rate (A Study in Faculty of Dentistry, Andalas University). Saliva flow rate is an affecting factor of caries formation. Adequate saliva flow rate can prevent cariess formation process and progression of periodontal disease and oral infection. Nutritional status is known as an influencing factor of saliva flow rate. The parameter of nutritional status is Body Mass Index (BMI). The purpose of this study is to discover the relation between BMI and saliva flow rate in College Students of the Dentistry Faculty Andalas University. This observational study with cross sectional design was conducted to 24 college students of the Dentistry Faculty Andalas University whose ages were 18-25 years old who complied with inclussion and exclussion criteria. BMI was calculated with BMI formula. The saliva flow rate was determined with Sialometry Method of Navazesh 2008 with ”ml/minute” unit. The univariat data analysis was caried out to describe each variable. Normality test Kolmogorov Smirnoff was done to see the normal distribution (p > 0,05). After the distribution was proven to be normal, corelation and regression test was executed to discover the relation between BMI and saliva flow rate. Based on the correlation test result, BMI of college students of the Dentistry Faculty Andalas University is χχ ± SD = 24,6 ± 6,02 kg/m2 and saliva flow rate is χχ ± SD = 0,29 ± 0,1 ml/minute. The relation between BMI and saliva flow rate expresses medium correlation with negative direction ( r = - 0,451). The result of linear regression shows that Saliva Flow Rate = 0,404 - 0,008*(BMI). The coefficient of regression BMI 0.008 shows that increasing 1 unit of BMI will decrease saliva flow rate 0,008 ml/minute. This study concludes that there is correlation between Body Mass Index and saliva flow rate. Obesity group has the lowest saliva flow rate, while the saliva flow rate does not decrease in underweight group.

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Nutrition Literacy among Adolescents and Its Association with Eating Habits and BMI in Tripoli, Lebanon

Diseases ◽

10.3390/diseases9020025 ◽

2021 ◽

Vol 9 (2) ◽

pp. 25

Author(s):

Sara Taleb ◽

Leila Itani

Keyword(s):

Body Mass Index ◽

Body Mass ◽

Food Habits ◽

Eating Habits ◽

Normal Weight ◽

Overweight And Obesity ◽

Assessment Instrument ◽

Inverse Association ◽

Unhealthy Lifestyle ◽

Cross Sectional

(1) Background: Adolescence is a period of increased autonomy and independent decision making; it determines health behaviors that can persist into the future. Individual factors like food choices and unhealthy lifestyle have an essential role in the development and prevention of obesity among adolescents and are associated with the nutrition literacy of parents and other adults. While the association of parents’ nutrition literacy with adolescent BMI has been addressed, there is still a scarcity of studies that examine the effect of adolescents’ nutrition literacy on their eating habits and body mass index (BMI) status. (2) Methods: A cross-sectional study was conducted that included 189 adolescents (68 with overweight and obesity and 121 with normal weight) aged between 14–19 years from four private schools in Tripoli, Lebanon. A self-administered questionnaire that included the Nutrition Literacy Assessment Instrument (NLAI) and the Adolescent Food Habits Checklist (AFHC) was used. Anthropometrics were measured using standardized procedures. The association between nutrition literacy, food habits and BMI was assessed using a chi squared test for independence and Poisson regression analysis where suitable. (3) Results: Results indicated no association between all five components of nutrition literacy and body mass index categories. Furthermore, there was no association between the Adolescent Food Habits Checklist and overweight or obese BMI status (RR = 0.947, 95%CI: 0.629–1.426) (p = 0.796). No association was observed between nutrition literacy and food habits, except for an inverse association with macronutrients literacy. (4) Conclusions: In conclusion, the study indicated that there was no association between the components of nutrition literacy with body mass index or with food habits, except for macronutrient literacy.

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Prevalence of Thinness among Santal Preschool Children Using New Body Mass Index Cut-Off Points

Journal of Anthropology ◽

10.1155/2011/602782 ◽

2011 ◽

Vol 2011 ◽

pp. 1-4

Author(s):

Subal Das ◽

Kaushik Bose

Keyword(s):

Body Mass Index ◽

Preschool Children ◽

Nutritional Status ◽

Body Mass ◽

Cross Sectional Study ◽

High Rate ◽

Tribal Community ◽

Community Based ◽

Cross Sectional ◽

Purulia District

A community-based cross-sectional study was undertaken to determine the prevalence of undernutrition using body mass index (BMI) among 2–6-year Santal preschool children of Purulia District, West Bengal, India. A total of 251 (116 boys and 135 girls) children from 12 villages were measured. Commonly used indicators, that is, weight, height, and BMI, were used to evaluate the nutritional status. More boys (59.5%) than girls (53.3%), based on BMI, were undernourished. Significant age differences in weight (F=44.29∗∗∗; df=3), height (F=58.48∗∗∗; df=3), and BMI (F=3.52∗∗∗; df=3) among boys were observed. Similarly, significant differences between ages in mean weight (F=56.27∗∗∗; df=3), height (F=64.76∗∗∗; df=3), and BMI (F=2.62∗∗∗; df=3) were observed among the girls. The present study revealed that the nutritional status of the preschool children of Santal tribal community of these villages was poor with very high rate of thinness in boys and girls (59.5% and 53.3%, resp.).

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Nutritional knowledge and body mass index: A cross-sectional study

Revista da Associação Médica Brasileira ◽

10.1590/1806-9282.63.09.736 ◽

2017 ◽

Vol 63 (9) ◽

pp. 736-740 ◽

Cited By ~ 4

Author(s):

Julia Luzzi Valmórbida ◽

Maíra Ribas Goulart ◽

Fernanda Michielin Busnello ◽

Lúcia Campos Pellanda

Keyword(s):

Body Mass Index ◽

Nutritional Status ◽

Body Mass ◽

Cross Sectional Study ◽

Noncommunicable Diseases ◽

Inverse Association ◽

Sectional Study ◽

Cross Sectional ◽

Food And Nutrition ◽

Level Of Knowledge

Summary Objective: To verify the knowledge about food and nutrition and its association with the nutritional status of obese patients with noncommunicable diseases (NCDs), and to identify the relationship between information sources and level of knowledge. Method: Cross-sectional study that included 263 outpatients of a cardiology referral hospital in Porto Alegre, Rio Grande do Sul, Brazil. The participants filled out a questionnaire on socioeconomic data and knowledge about food and nutrition and had their nutritional status evaluated by body mass index (BMI), waist circumference (WC) and waist-hip ratio (WHR). Results: BMI showed a significant inverse association with the percentage of correct answers (p=0.002), as well as WC (p=0.000) and WHR (p<0.001). This was also true for education (p<0.001) and female gender (p=0.005) compared to males. More than 60% of patients reported using television and 23% reported using newspaper as sources of nutritional information. Conclusion: Our study revealed a significant association between BMI and the level of knowledge about foods, showing that there is need for more information on obesity-related NCDs for greater understanding by patients.

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Body Mass Index and Body Weight Perception among a Population of Female Adolescents

Open Access Macedonian Journal of Medical Sciences ◽

10.3889/oamjms.2020.3865 ◽

2020 ◽

Vol 8 (E) ◽

pp. 308-312

Author(s):

Siham Lghoul ◽

Mohamed Loukid ◽

Mohamed Kamal Hilali

Keyword(s):

Body Mass Index ◽

Body Weight ◽

Body Mass ◽

Weight Perception ◽

Normal Weight ◽

Female Adolescents ◽

Weight Changes ◽

Cross Sectional ◽

Body Weight Perception ◽

Physical Changes

BACKGROUND: Adolescence is associated with many physical changes, it is described as a period when body weight changes and is likely to become worrying for many adolescents. AIM: This study aims to evaluate associations between body weight perception and body mass index (BMI) among a population of female adolescents. METHODS: A cross-sectional school-based study was conducted from February to May 2017 among 12–19 years olds adolescents (n = 415) from high and middle school. BMI for age percentiles was calculated using the WHO AnthroPlus. Body weight perception was determined using an anonymous questionnaire. RESULTS: The prevalence of misconception of body weight was 60%. The prevalence of misconception was positively associated with the participants age (p < 0.001), the occurrence of menarche (p < 0.05), the increasing of BMI (p < 0.001), and with habits diet satisfaction (p < 0.05). Overweighed participants and who’s with normal weight were more likely to perceive their weight incorrectly (p < 0.05). Furthermore, approximately 2.9% of participants underestimated their true body weight and 57.1% overestimated their weight. However, all participants with underweight had correctly perceived their body weight. Logistic regression showed that predictor factors of misconception weight were participant’s age and BMI. CONCLUSION: It is recommended to improve healthy programs in schools aimed at preventing body weight perception and eating problems among adolescents.

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Age and body mass index affect fit of spirometry GLI references in schoolchildren

10.1101/2021.10.07.21264678 ◽

2021 ◽

Author(s):

Rebeca Mozun ◽

Cristina Ardura-Garcia ◽

Eva S. L. Pedersen ◽

Jakob Usemann ◽

Florian Singer ◽

...

Keyword(s):

Body Mass Index ◽

Lung Function ◽

Body Mass ◽

Clinical Decision Making ◽

Clinical Care ◽

Normal Weight ◽

Linear Regression Models ◽

Cross Sectional ◽

Mean Values ◽

Z Scores

AbstractBackgroundReferences from the Global Lung Function Initiative (GLI) are widely used to interpret children’s spirometry results. We assessed fit for healthy schoolchildren.MethodsLuftiBus in the school (LUIS) is a population-based cross-sectional study done from 2013-2016 in the canton of Zurich, Switzerland. Parents and children aged 6-17 years answered questionnaires about respiratory symptoms and lifestyle. Children underwent spirometry in a mobile lung function lab. We calculated GLI-based z-scores for FEV1, FVC, FEV1/FVC, and FEF25-75 for healthy White participants. We defined appropriate fit to GLI references by mean values ±0.5 z-scores. We assessed if fit varied by age, body mass index, height, and sex using linear regression models.ResultsWe analysed data from 2036 children with valid FEV1 measurements of which 1762 also had valid FVC measurements. The median age was 12.2 years. Fit was appropriate for children aged 6-11 years for all indices. In adolescents aged 12-17 years, fit was appropriate for FEV1/FVC (mean: -0.09; SD: 1.02) z-scores, but not for FEV1 (mean: -0.62; SD: 0.98), FVC (mean: -0.60; SD: 0.98), and FEF25-75 (mean: -0.54; SD: 1.02). FEV1, FVC, and FEF25-75 z-scores fitted better in children considered overweight (means: -0.25, -0.13, -0.38) than normal weight (means: -0.55, -0.50, -0.55; p-trend: <0.001, 0.014, <0.001). FEV1, FVC, and FEF25-75 z-scores depended on both age and height (p interaction: 0.034, 0.019, <0.01).ConclusionGLI-based FEV1, FVC, and FEF25-75 z-scores do not fit White Swiss adolescents well. This should be considered when using reference equations for clinical decision making, research and international comparison.Take home messageOur study suggests GLI-based FEV1, FVC, and FEF25-75 z-scores over detect abnormal lung function in Swiss adolescents, and more so among slimmer adolescents, which has important implications for clinical care, research, and international comparisons.

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Maternal Body Mass Index and Breastfeeding Non-Initiation and Cessation: A Quantitative Review of the Literature

Nutrients ◽

10.3390/nu12092684 ◽

2020 ◽

Vol 12 (9) ◽

pp. 2684

Author(s):

Kyoko Nomura ◽

Sachiko Minamizono ◽

Kengo Nagashima ◽

Mariko Ono ◽

Naomi Kitano

Keyword(s):

Body Mass Index ◽

Body Mass ◽

Normal Weight ◽

Maternal Body Mass Index ◽

Review Of The Literature ◽

Maternal Body ◽

Cross Sectional ◽

Quantitative Review ◽

Increased Risk ◽

Meta Analyses

This study aims to investigate which maternal body mass index (BMI) categories are associated with the non-initiation or cessation of breastfeeding (BF) based on a quantitative review of the literature. We searched Ovid MEDLINE and EBSCO CINAHL for peer-reviewed articles published between 1946 (MEDLINE) or 1981 (CINAHL), and 2019. Selected studies were either cross-sectional or cohort studies, of healthy mothers and infants, that reported nutrition method (exclusive/full or any) and period (initiation/duration/cessation) of breastfeeding according to maternal BMI levels. Pairwise meta-analyses of 57 studies demonstrated that the pooled odds risks (OR) of not initiating BF among overweight and obese mothers compared to normal weight mothers were significant across 29 (OR 1.33, 95% confidence interval (CI), 1.15–1.54, I2 = 98%) and 26 studies (OR 1.61, 95% CI, 1.33–1.95, I2 = 99%), respectively; the pooled risks for BF cessation were inconsistent in overweight and obese mothers with substantial heterogeneity. However, we found that overweight mothers (n = 10, hazard ratio (HR) 1.16, 95% CI, 1.07–1.25; I2 = 23%) and obese mothers (n = 7, HR 1.45, 95% CI: 1.27–1.65; I2 = 44%) were both associated with an increased risk of not continuing any BF and exclusive BF, respectively. Overweight and obese mothers may be at increased risk of not initiating or the cessation of breastfeeding.

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Body Mass Index and Total Symptom Burden in Myeloproliferative Neoplasms Discovery of a U-shaped Association

Cancers ◽

10.3390/cancers12082202 ◽

2020 ◽

Vol 12 (8) ◽

pp. 2202 ◽

Cited By ~ 2

Author(s):

Sarah Friis Christensen ◽

Robyn Marie Scherber ◽

Nana Brochmann ◽

Martin Goros ◽

Jonathan Gelfond ◽

...

Keyword(s):

Body Mass Index ◽

Body Mass ◽

Myeloproliferative Neoplasms ◽

Philadelphia Chromosome ◽

Myeloproliferative Neoplasm ◽

Symptom Burden ◽

Normal Weight ◽

Analysis Of Covariance ◽

Cross Sectional ◽

Increased Risk

Elevated body mass index (BMI) is a global health problem, leading to enhanced mortality and the increased risk of several cancers including essential thrombocythemia (ET), a subtype of the Philadelphia-chromosome negative myeloproliferative neoplasms (MPN). Furthermore, evidence states that BMI is associated with the severity of symptom burden among cancer patients. MPN patients often suffer from severe symptom burden. The purpose of this study was to examine whether deviations from a normal BMI in an MPN population are associated with higher symptom burden and reduced quality of life (QoL). A combined analysis of two large cross-sectional surveys, the Danish Population-based Study, MPNhealthSurvey (n = 2044), and the international Fatigue Study (n = 1070), was performed. Symptoms and QoL were assessed using the validated Myeloproliferative Neoplasm Symptom Assessment Form (MPN-SAF). Analysis of covariance was used to estimate the effects of different BMI categories on symptom scores while adjusting for age, sex, and MPN subtype. A U-shaped association between BMI and Total Symptom Burden was observed in both datasets with significantly higher mean scores for underweight and obese patients relative to normal weight (mean difference: underweight 5.51 (25.8%), p = 0.006; obese 5.70 (26.6%) p < 0.001). This is an important finding, as BMI is a potentially modifiable factor in the care of MPN patients.

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Blood pressure levels and body mass index in Brazilian adults with Down syndrome

Sao Paulo Medical Journal ◽

10.1590/1516-3180.2016.0057180316 ◽

2016 ◽

Vol 134 (4) ◽

pp. 330-334 ◽

Cited By ~ 4

Author(s):

Felipe Pucci ◽

Guilherme Machado ◽

Edcarlo Solera ◽

Fernanda Cenovicz ◽

Christian Arruda ◽

...

Keyword(s):

Blood Pressure ◽

Body Mass Index ◽

Down Syndrome ◽

Body Mass ◽

Normal Weight ◽

Class Iii ◽

Special Schools ◽

Cross Sectional ◽

Obesity Class ◽

Age Range

ABSTRACT CONTEXT AND OBJECTIVE: Increased life expectancy among people with Down syndrome (DS) has introduced new environmental factors that may affect blood pressure (BP) and/or lead to obesity in this population. The aim here was to investigate BP levels and body mass index (BMI) in adults with DS, correlating these data with the patients' sex and age. DESIGN AND SETTING: Analytical cross-sectional observational study conducted in special schools in Curitiba (PR), Brazil. METHODS: 97 adult patients were included. BP was measured in accordance with the established guidelines. BMI was calculated by dividing the weight by the height squared (kg/m2). RESULTS: Sex had no influence on BMI; nor did systolic BP (SBP) or diastolic BP (DBP). The age range was from 18 to 56 years. No correlation was observed between increasing age and greater BMI or BP. Eighty-six individuals (88.7%) presented normal BP, eleven (11.3%) prehypertension and none hypertension. Twenty patients (20.4%) presented BP lower than 90 × 60 mmHg. BMI ranged from 18 to 48 kg/m2 (mean of 28.8 ± 3.92 kg/m2): 21.9% had normal weight; 40.7% were overweight; and 25.3% had obesity class I, 9.9% class II and 2.2% class III. Higher BMI was associated with significantly greater SBP and DBP (P = 0.0175 and P = 0.0015). CONCLUSION: Sex and age did not influence SBP, DBP or BMI in Brazilian adults with DS. Higher BMI was associated with greater BP (both systolic and diastolic).

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Association between Acne and Body Mass Index: A Hospital Based Cross Sectional Study

Nepal Journal of Dermatology Venereology & Leprology ◽

10.3126/njdvl.v16i1.19408 ◽

2018 ◽

Vol 16 (1) ◽

pp. 53-56

Author(s):

Saraswoti Neupane ◽

Binamra Basnet ◽

Tara Devi Sharma

Keyword(s):

Body Mass Index ◽

Body Mass ◽

Acne Vulgaris ◽

Cross Sectional Study ◽

Normal Weight ◽

P Value ◽

Cross Sectional ◽

Middle Income ◽

Medical College ◽

Middle Income Countries

Introduction: Acne vulgaris is a common and chronic inflammatory skin disease of pilosebaceous unit. Obesity is one of the biggest problems in western life style but nowadays, the problem is increasing even in low and middle-income countries. Body Mass Index (BMI) is used to accurately measure obesity.Objective: To find out the association between different categories of BMI and severity of acne.Materials and methods: This was a cross sectional prospective study conducted in the outpatient department of Gandaki Medical College from January to July, 2017. All the newly diagnosed patients with acne were included in the study. Height and weight of the patients was recorded and BMI was calculated. BMI was categorized as underweight, normal weight, overweight and obese. Type of lesions were noted and severity of acne was graded from 1 to 4.Statistical analysis was performed using SPSS version 17.0 for windows. One-way Analysis of Variance between groups (ANOVA) test was applied. P value of less than 0.05 was considered significant.Results: There were altogether 249 patients with acne. Age of the patients ranged from 10 to 44 years with mean age of 20.82 ±5.9 years. Most of the patients were in the age group of 11-20 years. Female: male ratio was 1:1.4. Majority of patients (65.5%) had normal BMI. Most of the patients had Grade 2 acne (52.6%). There was no significant association between the BMI and severity of acne (p=0.129).Conclusion: There was no significant association between BMI and severity of acne.

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