Sedentary lifestyle among adolescents living in the city of Ribeirão Preto (SP) / Estilo de vida sedentário entre adolescentes na cidade de Ribeirão Preto (SP)

INTRODUCTION: Physical inactivity has been pointed out as one of the major public health problems of the 21st century and the benefits of the regular practice of physical activity during adolescence are important for the biological process of growth and development. OBJECTIVE: To analyze the prevalence of physical inactivity among adolescents enrolled in schools in the city of Ribeirão Preto (SP). METHODS: From September 1 to November 30, 2013, a cross-sectional, observational and descriptive study was conducted with adolescents enrolled in 14 state schools in the city of Ribeirão Preto (SP) using the International Physical Activity Questionnaire, short version. RESULTS: A total of 535 adolescents participated, 35% of them boys and 65% girls; 65% were 10 to 14 years old and 35% were 15 to 19 years old; 52.3% studied in the evening period and 10.3% worked part time on a daily basis. Regarding the level of physical activity, 15.5% of the boys and 24.1% of the girls were classified as sedentary (p>0.05). 60.4% of the boys performed physical activity of vigorous intensity, while 56.3% of the girls showed preference for physical activity of low or moderate intensity (p=0.03). The girls aged 15 to 19 years spent more time sitting during the week, while the girls aged 10 to 14 years were less active during the weekend. 24.2% of the girls aged 10 to 14 years who studied during the morning period and 13.7% of the boys and 18% of the girls who studied during the evening period were classified as sedentary. CONCLUSION: High rates of sedentary lifestyle were observed among adolescents enrolled in state (or public?) schools in Ribeirão Preto (Brazil). Girls presented higher rates of sedentary lifestyle than boys. Boys performed physical activity of vigorous intensity more frequently than girls. The older girls had higher rates of physical inactivity (hours spent in the sitting position) during the week days compared to the younger ones, while the latter spent more time in physical inactivity during the weekend.

INTRODUÇÃO: Adolescência é o período de transição entre a infância e a vida adulta, caracterizado por modificações no desenvolvimento físico, emocional, sexual e social e pelos esforços em alcançar os objetivos relacionados às expectativas culturais da sociedade em que vive, OBJETIVO: Avaliar a prevalência de inatividade física entre adolescentes matriculados em escolas da cidade de Ribeirão Preto (SP). MÉTODO: Estudo transversal, observacional e descritivo realizado entre 01/09/2013 e 30/11/2013, com adolescentes matriculados em 14 escolas estaduais da cidade de Ribeirão Preto (SP), utilizando-se o International Physical Activity Questionnarie, versão curta. RESULTADOS: Participaram 535 adolescentes sendo 35 % masculino e 65 % feminino; 65% tinham entre 10 e 14 anos e 35% entre 15 e 19 anos; 52,3% estudavam no período vespertino e 10,3% trabalhavam meio período ao dia. Quanto ao nível de atividade física encontrou-se 15,5% dos meninos e 24,1% das meninas classificados como sedentários (p>0,05). As moças com idades entre 10 e 14 anos referiram nível de atividade física menor que as da faixa etária dos 15 aos 19 anos (p= 0,507). 60,4% dos rapazes realizam atividade física de intensidade vigorosa enquanto 56,3% das moças mostraram preferência por atividades físicas de intensidade baixa ou moderada (p=0,03). As moças na faixa etária dos 15 aos 19 anos passam mais tempo sentadas durante a semana, enquanto que nos finais de semana são menos ativas aquelas com idades entre 10 e 14 anos. Classificou-se como sedentários 24,2% das moças com idades entre 10 e 14 anos que estudam no período da manhã e, no período vespertino, 13,7% dos rapazes e 18% das moças na faixa etária dos 15 aos 19 anos. CONCLUSÃO: A prevalência de sedentarismo foi de 21% sendo maior para o sexo feminino na faixa etária dos 10 aos 14 anos, que são menos ativas nos finais de semana e que estudam no período da manhã

Características de hábitos de sono entre adolescentes da cidade de Ribeirão Preto (SP) / Characteristics of sleep habits among adolescents living in the city of Ribeirão Preto (SP)

INTRODUCTION: Adolescence is the period of transition between childhood and adult life, characterized by changes in physical, emotional, sexual and social development. Although during this phase most individuals are healthy, it is known that health status is related to behaviors and habits such as a healthy diet, the regular practice of physical activity and good sleep quality, which contribute to optimum physical and cognitive performance. OBJECTIVE: To determine some sleep characteristics of adolescents living in the city of Ribeirão Preto (SP). METHODS: This was a cross-sectional descriptive study conducted at 14 schools in the city of Ribeirão Preto (SP) including adolescents aged 10 to 19 years who answered a questionnaire about sleep habits. The chi-square test was used to determine differences between genders with the aid of the EPI-INFO 7 software, with the level of significance set at p<0.05. RESULTS: A total of 535 adolescents (65% girls) were included in the study. Of these, 47.7% studied during the morning period and 10.3% had a job and studied in the evening period. Regarding sleep duration, 242 (45%) slept less than 9 hours per night during week days and 256 (48%) during the weekends (Saturday and Sunday), Of the total number of adolescents studied, 75.5% reported that they went to bed when they felt sleepy, 90% reported delay in falling asleep, 84.3% used some type of electronic equipment before going to sleep, and 44% reported that they woke up during the night. In the morning, 70.3% needed to be awakened, and 44.7% reported a delay in waking up. During the daytime, 70% felt somnolent and 34% reported that they slept during the day. Girls reported that they felt more daytime sleepiness (71.3%) and slept more during the day (62.1%) than boys (28.7% and 37.9%, respectively), with the difference being statistically significant (p < 0.05). CONCLUSIONS: Almost half the adolescents investigated sleep less than the minimum time considered ideal. Furthermore, the most of adolescents went to the bed when they felt sleepy, used electronic devices before to sleep, had difficulties to fall asleep, need to be awake in the morning and felt sleepy during the day. A substantial proportion of adolescents studied awoke at night and slept during the day. Compared to boys, girls felt sleepy and slept during the day significantly.

INTRODUÇÃO: A adolescência é o período de transição entre a infância e a vida adulta, caracterizada por mudanças no desenvolvimento físico, emocional, sexual e social. Embora durante esta fase a maioria dos indivíduos seja saudável, sabe-se que o estado de saúde está relacionado a comportamentos e hábitos tais como dieta saudável, prática regular de atividade física e boa qualidade do sono, que contribuem para o desempenho físico e cognitivo ideal. OBJETIVO: Determinar algumas características do sono de adolescentes que vivem na cidade de Ribeirão Preto (SP). MÉTODO: Trata-se de um estudo descritivo transversal realizado em 14 escolas da cidade de Ribeirão Preto (SP), incluindo adolescentes de 10 a 19 anos que responderam a um questionário sobre hábitos de sono. O teste do qui-quadrado foi usado para determinar diferenças entre gêneros com o software EPI-INFO 7, com o nível de significância definido em p <0,05 RESULTADOS: 535 adolescentes (65% meninas) foram incluídos no estudo. Destes, 47,7% estudavam durante o período da manhã e 10,3% trabalhavam e estudavam no período da noite. Em relação à duração do sono, 242 (45%) dormiram menos de 9 horas por noite durante a semana e 256 (48%) durante os fins de semana (sábado e domingo). Do total de adolescentes estudados, 75,5% relataram que foram para a cama quando sentiam sono, 90% relataram atraso em adormecer, 84,3% usaram algum tipo de equipamento eletrônico antes de dormir e 44% relataram que acordaram durante a noite. No período da manhã, 70,3% precisavam ser despertados, e 44,7% relataram atraso no despertar. Durante o dia, 70% sentiram-se sonolentos e 34% relataram que dormiam durante o dia. As meninas relataram que sentiram mais sonolência diurna (71,3%) e dormiam mais durante o dia (62,1%) que os meninos (28,7% e 37,9%, respectivamente), sendo a diferença estatisticamente significante (p <0,05). CONCLUSÃO: Quase metade dos adolescentes investigados dorme menos que o tempo mínimo considerado ideal. Além disso, a maioria dos adolescentes foi à cama quando sentiu sono, usou dispositivos eletrônicos antes de dormir, teve dificuldades em adormecer, precisava ser acordado pela manhã e sentiu sono durante o dia. Uma parcela substancial dos adolescentes estudados ficava acordada à noite e dormia durante o dia. Em comparação com os meninos, as meninas sentiram sono e dormiram durante o dia de forma significativa.

Characteristics of sleep habits among adolescents living in the city of Ribeirão Preto (SP).

INTRODUCTION: Sleep is an important physiological condition that plays a role in the physical and emotional development of adolescents. The aim of the study is to determine some sleep characteristics of adolescents living in the city of Ribeirão Preto (SP). METHODS: This is a cross-sectional descriptive study conducted at 14 schools in the city of Ribeirão Preto (SP) including adolescents aged 10-19 years using a questionnaire about sleep habits. The χ2 test was used to determine differences between genders with the aid of the EPI-INFO 7 software, with the level of significance set at p<0.05. RESULTS: A total of 535 adolescents (65% girls) were included in the study. Of these, 47.7% studied during the morning period and 10.3% had a job and studied in the evening period. Regarding sleep duration, 242 (45%) slept <9 h per night during week days and 256 (48%) during the weekends (Saturday and Sunday). Of the total number of adolescents studied, 75.5% reported that they went to bed when they felt sleepy, 90% reported delay in falling asleep, 84.3% used some type of electronic equipment before going to sleep, and 44% reported that they woke up during the night. In the morning, 70.3% needed to be awakened, and 44.7% reported a delay in waking up. During daytime, 70% felt somnolent and 34% reported that they slept during the day. Girls reported that they felt more daytime sleepiness (71.3%) and slept more during the day (62.1%) than boys (28.7% and 37.9%, respectively). CONCLUSION: The study showed that almost half the adolescents investigated sleep less than the minimum time considered ideal. Furthermore, most of the adolescents went to the bed when they felt sleepy, used electronic devices before falling sleep, had difficulties falling asleep, need to be awaken in the morning and felt sleepy during the day.