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Background: Diet quality is associated with psychobiological, psychological, biological, and physiological factors of individuals, and in the context of prolonged stress, such as the COVID-19 pandemic, it can lead to a worsening of the quality of food for undergraduates. This study aimed to analyze diet quality and associated factors in Brazilian undergraduates. Methods: Data were collected from 4,799 undergraduate students from all Brazilian regions, from August 2020 to February 2021. The online questionnaire contained socioeconomic variables, the ESQUADA scale to assess diet quality, self-referred changes in weight, the Brazilian food insecurity scale (EBIA), sleep assessment and the perceived stress scale. Unconditional multiple logistic regression analysis was performed to study variables associated with poor and very poor diet quality. Results: Most of participants presented a good diet quality (51.7%), while 9.8% had a poor or very poor diet quality and only 1.1% had an excellent diet quality. 58.2% of undergraduates reported to have an increase in weight during the pandemic and 74.3% of the students presented elevated stress during the pandemic. Logistic regressions showed students who gained weight during the pandemic presented the highest AOR = 1.56 (95% CI = 1.12-2.20) for poor or very poor diet quality. The elevated perceived stress was also associated with a higher AOR = 2.85 (95% CI = 1.71-4.74) for poor or very poor diet quality. Conclusion: Most of the studied undergraduates presented a good diet quality. Nevertheless, poor/very poor diet quality was associated with higher perceived stress and weight gain. Our study indicated that policies should beaimed at the socioeconomically most vulnerable undergraduates, those in a situation of food and nutritional insecurity, high perceived stress, and who gained weight during the pandemic.

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Undergraduates may face challenges to assure food security, related to economic and mental distress, especially during the COVID-19 pandemic. This study aimed to assess food insecurity and its associated factors in undergraduates during the COVID-19 pandemic. An online cross-sectional study was conducted from August 2020 to February 2021 with 4775 undergraduates from all Brazilian regions. The questionnaire contained socio-economic variables, the validated Brazilian food insecurity scale, and the ESQUADA scale to assess diet quality. The median age of the students was 22.0 years, and 48.0% reported income decreasing with the pandemic. Food insecurity was present in 38.6% of the students, 4.5% with severe food insecurity and 7.7% moderate. Logistic regressions showed students with brown and black skin color/race presented the highest OR for food insecurity; both income and weight increase or reduction during the pandemic was also associated with a higher OR for food insecurity, and better diet quality was associated with decreased OR for food insecurity. Our study showed a considerable presence of food insecurity in undergraduates. Policy for this population must be directed to the most vulnerable: those with brown and black skin color/race, who changed income during the pandemic, and those presented with difficulties maintaining weight and with poor diet quality.

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OBJECTIVE: Analyze the prevalence and factors associated with internet addiction in a sample of high school adolescents in Acre, a state in northern Brazil. METHODS: A population-based cross-sectional study was conducted with 1,387 adolescents between 14 and 18 years old enrolled in high schools in the city of Rio Branco, Acre. A structured questionnaire with questions about demographics, family and behavioral patterns was applied. Internet addiction was verified using the Internet Addiction Test (IAT), with a cutoff equal to or greater than 70 points. The associated factors were identified by multiple logistic regression analyses. RESULTS: The overall prevalence of Internet addiction was 10.6%. Higher dependence was observed in females. The factors associated with Internet addiction were being female, using the computer for more than two hours a day during weekdays and on the weekend, not practicing physical activities and going out to dance at nightclubs and concerts at least once a month. A protective association of reading habits in relation to Internet dependence was observed. CONCLUSIONS: The present study showed a high prevalence of Internet dependence, with female adolescents being more susceptible. Behavioral aspects were associated with internet dependence in a sample of adolescents from Rio Branco, Acre.

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ABSTRACT Objective: Analyze the prevalence and factors associated with internet addiction in a sample of high school adolescents in Acre, a state in northern Brazil. Methods: A population-based cross-sectional study was conducted with 1,387 adolescents between 14 and 18 years old enrolled in high schools in the city of Rio Branco, Acre. A structured questionnaire with questions about demographics, family and behavioral patterns was applied. Internet addiction was verified using the Internet Addiction Test (IAT), with a cutoff equal to or greater than 70 points. The associated factors were identified by multiple logistic regression analyses. Results: The overall prevalence of Internet addiction was 10.6%. Higher dependence was observed in females. The factors associated with Internet addiction were being female, using the computer for more than two hours a day during weekdays and on the weekend, not practicing physical activities and going out to dance at nightclubs and concerts at least once a month. A protective association of reading habits in relation to Internet dependence was observed. Conclusions: The present study showed a high prevalence of Internet dependence, with female adolescents being more susceptible. Behavioral aspects were associated with internet dependence in a sample of adolescents from Rio Branco, Acre.

RESUMO Objetivo: Analisar a prevalência e os fatores associados à dependência de internet em uma amostra de adolescentes do ensino médio no Acre. Métodos: Estudo transversal de base populacional realizado com 1.387 adolescentes entre 14 e 18 anos regularmente matriculados em instituições de ensino médio no município de Rio Branco, Acre. Questionário estruturado com questões sobre aspectos demográficos, sociais, familiares e comportamentais foi aplicado. A dependência de internet foi verificada pelo internet addiction test (IAT), com ponto de corte igual ou superior a 70. Os fatores associados foram identificados mediante regressão logística múltipla. Resultados: A prevalência geral para dependência de internet foi de 10,6%. Maior dependência foi evidenciada no sexo feminino. Os fatores associados à dependência de internet foram ser do sexo feminino, utilizar o computador por mais de duas horas diárias durante o meio de semana e no fim de semana, não praticar atividade física e sair por pelo menos uma vez ao mês para dançar em boates e shows. Observou-se associação protetora do hábito de leitura em relação à dependência de internet. Conclusões: O presente estudo evidenciou alta prevalência para dependência de internet, sendo as adolescentes do sexo feminino mais suscetíveis. Aspectos comportamentais estiveram associados à dependência de internet em uma amostra de adolescentes de Rio Branco.

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INTRODUCTION: In the diagnosis of overweight and obesity based on body mass index in children and adolescents, several national and international anthropometric references are recommended. However, there is a divergence in the estimated prevalence of overweight and obesity among the references OBJECTIVE: To identify the prevalence of overweight and obesity and to analyse the magnitude of agreement among the three references METHODS: A cross-sectional study with 975 students from the early grades of elementary school. The prevalence of overweight and obesity were estimated according to the criteria of the World Health Organization (WHO), the International Obesity Task Force (IOTF) and Conde and Monteiro. The Kappa weighted index was calculated to assess the agreement magnitude among the three references RESULTS: The highest prevalence of overweight and obesity was estimated by the Conde and Monteiro and WHO references, respectively. Overall, the IOTF revealed lower a magnitude of prevalence than the two other references. The agreement among the references identified by the Kappa index had a range of 0.66 to 0.94 CONCLUSION: Despite the satisfactory agreement among the three references, this research highlighted the differing magnitudes of the prevalence of overweight and obesity. This fact limits the ability to make comparisons among populations and impairs the development of overweight and obesity prevention actions

INTRODUÇÃO: No diagnóstico do sobrepeso e obesidade pelo índice de massa corporal em crianças e adolescentes existem vários referenciais antropométricos nacionais e internacionais recomendados. Entretanto, há divergência na estimativa de prevalência do sobrepeso e obesidade pelos entre os referenciais OBJETIVO: Identificar a prevalência do sobrepeso e obesidade e examinar a magnitude da concordância entre três referenciais MÉTODO: Estudo transversal realizado com 975 estudantes das séries iniciais do ensino fundamental. Prevalências do sobrepeso e obesidade foram estimadas conforme recomendações da Organização Mundial de Saúde (OMS), International Obesity Task Force (IOTF) e Conde e Monteiro. O índice de Kappa ponderado foi calculado para avaliar concordância entre três referenciais RESULTADOS: As maiores prevalências de sobrepeso e obesidade foram estimadas pelos referenciais de Conde e Monteiro e OMS, respectivamente. De modo geral, o referencial do IOTF revelou magnitude de prevalência inferior aos outros referenciais. A concordância entre os referenciais antropométricos identificados pelo índice de Kappa apresentou amplitude de 0,66 até 0,94 CONCLUSÃO: Apesar da satisfatória concordância entre os três referencias, foram identificados magnitude divergentes de prevalência de sobrepeso e obesidade. Este fato limita a comparação entre populações e dificulta a elaboração de ações de prevenção do sobrepeso e obesidade

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Estudo transversal com universitários realizado para analisar a prevalência e os fatores associados ao consumo regular de frutas e hortaliças por acadêmicos de uma universidade pública federal de Rio Branco, Acre, Brasil. Foram investigados 863 estudantes de cursos de graduação em 2010. A prevalência geral de consumo regular de frutas e hortaliças foi de 14,8%. Os fatores associados ao consumo regular de frutas e hortaliças foram: pertencer à classe econômica A/B (RP = 1,70; IC95%: 1,10-2,62), conviver com companheiro(a) (RP = 1,53; IC95%: 1,02-2,29), praticar atividade física (RP = 1,69; IC95%: 1,11-2,56) e consumo de fast food igual ou menor que 2 vezes na semana (RP = 1,49; IC95%: 1,04-2,13). Em conclusão, destaca-se que a minoria dos acadêmicos alcançou a recomendação de consumir frutas e hortaliças em 5 dias ou mais da semana. O consumo regular desses alimentos mostrou-se associado aos aspectos socioeconômicos e aos hábitos saudáveis relacionados à prática de atividade física e baixo consumo de fast food.

This cross-sectional study with university students examined the prevalence of regular consumption of fruits and vegetables and associated factors among students at a Federal university in Rio Branco, Acre State, Brazil. 863 undergraduates were interviewed in 2010. Overall prevalence of regular consumption of fruits and vegetables was 14.8%. Factors associated with regular consumption of fruits and vegetables were: socioeconomic classes A and B (PR = 1.70; 95%CI: 1.10-2.62), living with a partner (PR = 1.53; 95%CI: 1.02-2.29), regular physical activity (PR = 1.69; 95%CI: 1.11-2.56), and consumption of fast food twice a week or less (PR = 1.49; 95%CI: 1.04-2.13). A minority of the students met the recommendation to consume fruits and vegetables 5 or more days a week. Regular fruit and vegetable consumption was associated with socioeconomic status and healthy habits such as physical exercise and low consumption of fast food.

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This cross-sectional study with university students examined the prevalence of regular consumption of fruits and vegetables and associated factors among students at a Federal university in Rio Branco, Acre State, Brazil. 863 undergraduates were interviewed in 2010. Overall prevalence of regular consumption of fruits and vegetables was 14.8%. Factors associated with regular consumption of fruits and vegetables were: socioeconomic classes A and B (PR = 1.70; 95%CI: 1.10-2.62), living with a partner (PR = 1.53; 95%CI: 1.02-2.29), regular physical activity (PR = 1.69; 95%CI: 1.11-2.56), and consumption of fast food twice a week or less (PR = 1.49; 95%CI: 1.04-2.13). A minority of the students met the recommendation to consume fruits and vegetables 5 or more days a week. Regular fruit and vegetable consumption was associated with socioeconomic status and healthy habits such as physical exercise and low consumption of fast food.

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