scholarly journals Age, seasons and influence of body mass index on menarche among secondary school girls in Port Harcourt, Nigeria

2021 ◽  
Vol 8 (3) ◽  
pp. 005-012
Author(s):  
Loveday Ese Oghenemavwe ◽  
Michael Omonkheoa Oyakhire ◽  
Chidubem Oraelosi

Menarche is a significant marker of maturity and puberty in girls, and it is a transition influenced by different biophysical factors. This study was carried out to determine the age, seasons and the influence of body mass index (BMI) on menarche. A total of 450 girls’ between the ages of 10 and 19 years participated in the study. Age at menarche was obtained via the recall quo cross sectional method. Parameters measured were; standing height (SH), weight (Wt) and BMI. A total of 373 (82.9%) girls had their menarche in their early adolescence while 77 girls (17.1%) had their menarche in mid adolescence. Mean age at menarche was 13.17± 1.48 years. The average value for BMI was 20.35 ± 3.77 kg/m2, SH was 161.09 ± 6.16 cm, Wt was 52.53 ± 9.21kg. Overweight girls were observed to attain menarche earlier, followed by those whose mean weight was in the normal range .Subjects in the underweight category had higher age at menarche. Menarche was high in the months of August, July and January. Menarche occurs early among secondary school girls in Port Harcourt and among other factors, those associated with BMI and stress are important in the onset of the biological event.

2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Vilelmine Carayanni ◽  
Elpis Vlachopadopoulou ◽  
Dimitra Koutsouki ◽  
Gregory C. Bogdanis ◽  
Theodora Psaltopoulou ◽  
...  

Abstract Background The aim of the present study was to examine the influence of body mass index category, as well as of demographic and socioeconomic factors on the participation in organized physical activity (OPA) of schoolchildren attending primary and secondary school in Greece. Furthermore, to compare the difference between the two levels. Methods This is a cross-sectional study conducted on a representative elementary and secondary school cohort, derived using stratification and probability proportional to size (PPS) methodology. The final sample included 18,264 subjects, aged 6 to 15 years. Parents of all students and students of secondary schools fulfilled validated questionnaires evaluating socioeconomic status, and participation to OPA. International Obesity Task Force (IOTF) cut offs were used to classify the children. Univariate and multivariate logistic models examined factors associated with OPA. All analyses were stratified by school level. Results Sport participation was not reported in 37.7 and 54.4% of primary and secondary schoolchildren respectively. Having BMI within normal range, being male, having parents participating in an organized activity and a high socio-economic status seem to encourage participation in OPA in both school levels. Conclusions Children with normal BMI are more likely to participate in OPA. Parents as role model as well as higher socioeconomic status of the family emerge as important influencers. Participation in OPA declines as students enter secondary school. Interventions focusing on increasing physical education and activity into school daily program should be tailored to the specific needs of different weight categories and can possibly eliminate the impact of SES inequalities.


2015 ◽  
Vol 22 (2) ◽  
pp. 151-157
Author(s):  
Alphonsus N. Onyiriuka ◽  
Jackson I. Ikuren ◽  
Rita C. Onyiriuka

AbstractBackground and Aims: Body mass index (BMI) is an inexpensive and easy-to-perform method of screening for weight status, which may have detrimental health consequences. The aim of our study was to assess the pattern of BMI among Nigerian adolescent secondary school girls and determine the prevalence of underweight, overweight and obesity among them.Materials and Methods: In this school-based cross-sectional study, weight was measured, using the spring bathroom scale which was supported at all times on a rigid base. Height was measured without footwear with the heels together. The BMI was computed, using the formula weight/height2 (kg/m2). The BMI-for-age percentile chart was used in classifying the weight status of the subjects.Results: A total of 2,159 girls from two public urban day secondary schools participated in the study. Seven students declined to participate, giving a response rate of 99.7%. The overall mean weight, height and body mass index (BMI) of the participants were 43.16±6.07 kg (95% confidence interval, CI= 42.90-43.42), 151.53±6.20 cm (95% CI=151.27-151.79) and 19.76±3.07 kg/m2 (95% CI= 19.63-19.89). The BMI values increased directly with age. Participants in the early adolescent stage demonstrated a significantly lower mean BMI value than either the middle or late adolescent stages. Based on WHO criteria, the prevalence rates of underweight, overweight and obesity were 7.1% (95% CI= 3.0-11.2), 8.3% (95% CI= 4.3-12.3) and 2.1% (95% CI= 2.0-6.2), respectively. The overall prevalence of healthy weight status was 82.5% (95% CI= 80.7-84.3). Conclusion: Nigerian adolescent secondary school girls are at increased risk of the double burden of nutrition as both underweight and overweight show a relatively similar prevalence rates.


Author(s):  
Cyril C. Ezenyeaku ◽  
Ifeanyichukwu U. Ezebialu ◽  
Joseph C. Umeobika ◽  
Josephat Akabike ◽  
Chijioke A. Ezenyeaku ◽  
...  

Background: Menarche is an important physiological milestone in girls and this usually occurs during their secondary school years. The menstrual pattern may vary in these adolescents. This knowledge may assist in counselling the young girls on reproductive health issues.Methods: A cross-sectional study of female secondary school students from Kenneth Dike secondary school, Awka; Amaenyi girls’ secondary school and community secondary school, Okpuno, all in Awka, Anambra state of Nigeria. All together 545 students were selected following informed consent. The study instrument was a pre-tested, semi-structured and self-administered questionnaire. Data analysis was done with IBM SPSS 20 software. Tests of association between variables were done with Fisher’s exact test and the level of significance set at p≤0.05. Results: The mean age of the 545 respondents was 16.79±1.736 years and majority of them are of the Igbo ethnic group (90.5%). The average age at menarche was 12.77±1.159 years. There is a significant difference between the age at menarche and the father’s occupation. The modal duration of flow was 4 days (48.7%) while 95.2% had a normal cycle length of 21-35 days.Conclusions: The average age of menarche of secondary school girls in Awka was 12.77±1.159 years. Most of the students had normal menstrual flow duration of 2-7 days with a cycle length of 21-35 days.


Author(s):  
Neha Mukkamala ◽  
Pooja Patel ◽  
Gauri Shankar ◽  
Jay Soni ◽  
Lata Parmar

Background: Anthropometric indicators are used to evaluate the prognosis of chronic and acute diseases, and to guide medical intervention. In anthropometry, body mass index (BMI) is widely accepted in determining obesity and skin fold thickness measurements provide good estimates of body fat. Aim: To see the relationship between BMI and skin fold thickness in young females. Study Design: Observational study Methodology: This was a cross-sectional study. Measurements of height, weight, BMI and skin fold thickness were obtained for young adult females. Triceps, suprailiac and abdomen skin fold thickness were measured by using a skin fold calliper. For skin fold thickness, all measurements were taken three times and an average value was recorded. Results: Total 251 participants took part in the study. The mean skin fold thickness in the triceps was 22±6.02 mm, abdominal was 24.41±5.84 mm, and suprailiac was 21.23±5.74 mm. There was a significant correlation seen between BMI and triceps SFT (ρ=0.816,P=0.000), BMI and Abdominal SFT (ρ=0.854,P=0.000) and BMI and suprailiac SFT (ρ=0.850,P=0.000). There was a significant association between BMI and physical activities (P=0.000). Conclusion: There was a significant correlation seen between BMI and SFT at triceps, abdominal and suprailiac region. There was a significant association between BMI and physical activities.


2017 ◽  
Vol 4 (6) ◽  
pp. 2187
Author(s):  
Madhulata Pandey ◽  
Ashish Pradhan

Background: Studies have shown trends of decreasing age at menarche in most of the Indian states. However, there are no such studies reported from the state of Sikkim.Methods:It was a cross sectional prospective study done in four school across Gangtok town. 430 menstruating girls between the age group 10-19 years were the participants. Data regarding chronological age, menstrual age, diet, mother’s age at menarche and socioeconomic status was collected using self-administered pre-tested questionnaire from the girls and their parents. Height, weight and general physical examination of the girls were done.Results: Mean age of attainment of menarche was 12.52 years. 3% girls were undernourished and 20.70% girls had their body mass index more than 85th percentile. A positive correlation between age of onset of menarche with height (r = 0.282), weight (r = 0.130) and mothers age at menarche (r = 0.549) and negative correlation with body mass index (r = -0.155). Menarche was earlier in girls belonging to lower socioeconomic classes (P <0.001). Peak incidence of menarche was noticed in winter months in this hilly area. Diet, ethnicity and sibling order did not show statistically significant effect.Conclusions:The mean age of menarche in this region is comparable to many Indian states. The major determinant of age at menarche in this study was body mass index and mother’s age at menarche similar to other Indian and international studies. Further similar studies on girls from other parts of Sikkim are needed for scientific data. 


2020 ◽  
Vol 3 (3) ◽  
pp. 15-22
Author(s):  
Felicia Linardi ◽  
Aditiawati ◽  
Minerva Riani Kadir

AbstractConcern regarding secular trend of declining age of menarche has increased in the last few decades. Prevalence ofchildhood and adolescents obesity in Indonesia has also increased lately while some studies suggest that increasedbody mass index associates with the early onset of puberty which known to be the risk factor of many healthproblems. This study aims to investigate whether age of menarche is associated with body mass index in adolescents inPalembang. Sample of this cross sectional designed study was elementary and junior high school girls from 8 schools inPalembang taken with stratified random sampling. A total of 388 respondents met the inclusion criteria. Age ofmenarche and body mass index got from the questionnaire and anthropometric examination were analysed using Chi-square test. Out of 388 respondents, 49.5% experienced menarche at the earlier age than the mean age of menarcheof 12.36 years and 20.1% were classified as overweight and obese. The average menarcheal age of overweight andobese respondents was earlier than those classified as normal and underweight. This study proved that there is ahighly significant association between age of menarche and body mass index with the p-value of 0.000 (Chi-squaretest). There is a highly significant association between body mass index during peripubertal period and the age ofmenarche. Strict monitoring on body mass index of elementary and junior high school girls is necessary to preventearly puberty.


2005 ◽  
Vol 8 (7) ◽  
pp. 870-875 ◽  
Author(s):  
Magdalena Rosell ◽  
Paul Appleby ◽  
Tim Key

AbstractObjectiveWe investigated whether life-long adherence to a vegetarian diet is associated with adult height, age at menarche, adult body weight and body mass index (BMI), used as indicators of growth, development and obesity, in a large sample of adults.DesignThis was a cross-sectional study. Anthropometric data and information on age, ethnicity, education, age at menarche and age at becoming a vegetarian were obtained through a questionnaire. Self-reported height and weight were calibrated using predictive equations derived from a previous validation study.SettingUnited Kingdom.SubjectsThe study includes 45 962 British men and women aged ≥ 20 years of whom 16 083 were vegetarians (not eating fish or meat).ResultsIn men and women, there were no significant differences in height, weight or BMI between life-long vegetarians (n= 125 (men) andn= 265 (women)) and people who became vegetarian at age ≥ 20 years (n= 3122 (men) andn= 8137 (women)). Nor was there a significant difference in age at menarche between life-long vegetarian women and women who became vegetarian at age ≥ 20 years.ConclusionThis study suggests that, compared with people who become vegetarian when adult, life-long vegetarians do not differ in adult height, weight, BMI or age at menarche in women.


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