Background: The proportion of arterial hypertension (AH) has increased in children and adolescents and is associated with several comorbidities. Objective: To verify the association of arterial hypertension with central and general obesity as well as according to the level of physical activity in schoolchildren. Methods: 336 children and adolescents aged 11 to 17 participated in the study. Height, body weight, waist circumference (WC) and blood pressure (BP) were measured. The body mass index z-score (BMI-z) was calculated. The level of physical activity was assessed by the short form of the International Physical Activity Questionnaire (IPAQ) according to the practice of moderate-to-vigorous physical activities (AF-mv). Students with systolic (SBP) and/or diastolic blood pressure (DBP) higher than the 95 th percentile according to sex, age and height or ≥120/80 were considered hypertensive. Statistical tests of t-Student, Chi-square, Mann-Whitney and binary logistic regression model were used, considering the significance level of p<0.05. Results: It was found that 40.5% of the students had AH, 35.11% were overweight (12.5% obese), 13.39% had high WC and 40.2% were considered insufficiently active in AF-mv. The chances of AH were related to high WC (OR = 6.11; 95% CI: 2.59¬-14.42) and overweight (OR = 2.91; 95% CI: 1.76-4.79). In addition, adolescents who practiced AF-mv had a lower risk of high DBP (OR = 0.33; 95% CI: 0.15-0.72). Conclusion: Central obesity was the best predictor of AH in children and adolescents, as well as general obesity and males. The practice of AF-mv demonstrated a protective effect on high DBP in schoolchildren.
O objetivo deste estudo foi comparar o perfil de estilo de vida e a prática de atividade física entre meninas e meninos. Participaram do estudo 336 escolares, de 11 a 17 anos de de idade (51,5% sexo feminino). Foram avaliados a estatura, massa corporal, maturação sexual e índice de massa corporal escore z (IMC-z). O nível de atividade física (AF) foi analisado pelo International Physical Activity Questionnaire (IPAQ). O estilo de vida foi avaliado por meio do questionário Perfil do Estilo de Vida Individual (PEVI), analisando ototal de escores dos cinco componentes, considerando-se como pontos de corte: >30 pontos = PEVI favorável e ≤30 pontos = PEVI desfavorável. Observou-se que 35,1% dos escolares foram considerados acima do peso, 74,78% não cumprem as recomendações de atividade física e 31,5% apresentaram PEVI desfavorável. Existiu diferença entre meninos e meninas para a prática de atividade física moderada e vigorosa (AFMV) (p = 0,048). Os meninos apresentaram melhor estilo de vida (p = 0,06) e praticam em média mais AF leve (p < 0,01), AF moderada (p < 0,01), AF vigorosa (p < 0,01) e AFMV (p < 0,01) do que meninas. Enquanto as meninas com PEVI favorável praticam em média mais AF leve do que aquelas com PEVI desfavorável (p < 0,001). Concluiu-se que meninos praticam mais AF na semana em relação às meninas, entretanto possuem menor preocupação com comportamentos preventivos e relacionamentos. A prática de AF leve foi maior em meninas com perfil de estilo de vida favorável.
Background: A family history of arterial hypertension (AH), combined with environmental risk factors, is directly related to the development of AH.Objective: To evaluate the frequency of AH, anthropometric indicators and level of physical activity and their association with a family history (FH) of AH in school children. Methods:Cross-sectional study with 118 students, aged between 11 and 17 years, of both sexes. Waist circumference (WC), weight, height, level of physical activity and FH of HA were collected. Body mass index z score (BMI-z) and waist-to-height ratio (WHtR) were calculated. Binary logistic regression model was used to verify the chance risk, with significance p <0.05. Results:Of the 118 parents who answered the questionnaire, 34.7% had a positive FH of AH. Girls with a positive FH had higher means of WC (p= 0,004), BMI (p=0,020), and systolic blood pressure (SBP) (p=0,006) than boys, and a higher risk of being overweight (OR=4,48; 95%CI:1,55-12,94), and having elevated WHtR (OR=5.98; 95%CI:1.66-21.47) and SBP (OR=3,07; 95%CI:1,03-9,13) than girls without a FH, but they practice more vigorours moderate physical activity (MVPA) (p=0,039). On the other hand, no differences in these parameters were observed between boys with and without a FM of AH.Conclusions: Overweight and a FH of hypertension were associated with an increased risk for AH in girls. This was not observed among boys, perhaps due to more active lifestyle.
Introduction: Currently, postural deviations represent one of the biggest epidemiological problems among children and adolescents. Objective: To analyze whether there is an association between aerobic fitness and the level of physical activity in children and adolescents and the occurrence of postural deviations in children and adolescents. Methods: The study analyzed 380 children and adolescents, 54% female and 46% male, between 10 and 18 years old. The selected variables were: Aerobic fitness, Physical activity level, and Postural deviations. To determine the variables, Fitnessgram, International Physical Activity Questionnaire, and the method of photogrammetry of Postural Assessment Based on Digital Image version 3.1 were used. Results: There were statistically significant association between aerobic fitness and lumbar hyperlordosis in males (p = 0.049). Binary logistic regression adjusted for the boys' group (OR = 3.268) showed the possibility of lumbar hyperlordosis to develop three times more in boys with adequate aerobic fitness. Conclusion: Boys with lumbar hyperlordosis had satisfactory levels of aerobic fitness. Other risk factors, such as muscle fitness, seem to influence the occurrence of lumbar hyperlordosis.Keywords: posture, physical fitness, physical activity, children.
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