OBJECTIVE:To estimate the prevalence of, and identify factors associated with, accumulated risky behavior relating to cardiovascular diseases among adults. METHODS:This was a population-based cross-sectional study on a representative sample of 2732 adults of both sexes in Pelotas, Southern Brazil, in 2010. The behavioral risk factors investigated were: smoking; leisure-time physical inactivity; habitual consumption of visible fat in meat; and daily consumption of processed meats, red meat and whole milk. The study outcome was the accumulated behavioral risk factors score, ranging from zero to three: no behavioral risk factor for cardiovascular diseases or exposure to 1, 2 or ≥ 3 behavioral risk factors. Multinomial logistic regression was performed to evaluate the adjusted effect of individual characteristics on behavioral risk factors accumulation, taking individuals without any of these factors as the reference category. RESULTS:Physical inactivity was the most prevalent risk factor (75.6%), followed by habitual consumption of visible fat in meat (52.3%). Two thirds of the population presented two or more behavioral risk factors. Combined physical inactivity and habitual consumption of visible fat in meat was observed in 17.5% of the sample; and combined physical inactivity, habitual consumption of visible fat in meat and smoking in 6.7%. The odds ratios for accumulation of two or more risk factors were higher among men and were inversely associated with a national economic indicator. CONCLUSIONS:There was a high accumulation of behavioral risk factors for cardiovascular diseases among the study population. Public interventions with the capacity to prevent simultaneous occurrence of these factors are needed.
BackgroundLongitudinal studies have consistently reported that prenatal exposure to acetaminophen can to lead to an increased risk of attention deficit-hyperactivity disorder during childhood. This study aimed to investigate the association between intrauterine exposure to acetaminophen and the presence of emotional and behavioral problems at the ages of 6 and 11 years in a low-middle income country.MethodsWe performed a prospective longitudinal population-based study using data from the 2004 Pelotas birth cohort. From the 4231 initial cohort participants, 3722 and 3566 children were assessed at 6 and 11 years of age, respectively. The outcomes were assessed using the parent version of Strengths and Difficulties Questionnaire (SDQ). The cut-off points established for the Brazilian population were used to categorize the outcomes. Crude and adjusted odds ratio were obtained through logistic regression.ResultsAcetaminophen was used by 27.5% (95% confidence interval [CI]: 26.1–28.9) of the mothers at least once during pregnancy. The prevalence of emotional problems at 6 and 11 years was 13.6 and 19.9%, respectively. For hyperactivity problems, prevalence was 13.9 and 16.1%, respectively. Intrauterine exposure to acetaminophen increased the odds of having emotional (odds ratio [OR] = 1.47; 95% CI: 1.07–2.02) and hyperactivity/inattention (OR = 1.42; 95% CI: 1.06–1.92) problems in 6-year-old boys. At the age of 11, a small decrease in the effect was observed for both outcomes after adjustment: OR = 1.31 (95% CI: 0.99–1.73) for emotional problems and OR = 1.25 (95% CI: 0.95–1.65) for hyperactivity/inattention in boys. No association for any phenotypes at both ages was observed for girls.ConclusionThe effect of intrauterine exposure to acetaminophen in emotional and hyperactivity symptoms was dependent on sex in a Brazilian cohort. While it seemed to be important for boys, mainly at 6 years of age, for girls, no association was observed.Electronic supplementary materialThe online version of this article (10.1186/s12888-018-1942-1) contains supplementary material, which is available to authorized users.
Purpose: Methodological paper aiming to describe the development of a digital and self-reported food frequency questionnaire (FFQ), created to the 1982 and 1993 Pelotas Birth Cohorts. Methods: The instrument was created based on FFQs previously applied to subjects belonging to both cohorts in the 2004 and 2008 follow-ups. The FFQ was developed including 88 foods and/or meals where frequencies were clustered from a minimum of never or once/month to a maximum of greater than or equal to 5 times/day. The closed options related to portions were based on a 24-hour recall previously asked to a subsample from the 1993 cohort. Three options for portions were created: equal to, less than or greater than. Equal to portion was described based on the 50 percentile of each food consumed reported in a 24-hour recall. Photographs of portions related to the 50 percentile for each food were also included in the software. Results: This digital FFQ included food and meals based on the needs of current researches. The layout of the software was attractive to the staff members as well as to the cohort members. The responding time was 12 minutes and the software allowed several individuals to use it at the same time. Moreover, this instrument dismissed interviewers and double data entry. Conclusion: It is recommended the use of the same strategy in other studies, adapted to different contexts and situations.
Dieta e gordura corporal na adolescência e início da vida adulta: uma revisão sistemática de estudos longitudinais
This is a cross-sectional school-based study that evaluated the prevalence and associated factors of the daily intake of fruit and vegetables by adolescents at public schools in Caruaru, Pernambuco. Poisson regression with a hierarchical model, including sociodemographic variables in the first hierarchical level, behavioral variables in the second and diet-related variables in the third was used to assess the factors associated with fruit and vegetable intake. The results showed that of the 600 adolescents interviewed, 10% reported never eating fruit and 30.7% mentioned not eating vegetables. Prevalence of fruit intake was 32.9% and vegetables 29.0%. Only 6.5% reported eating both kinds of food daily. Merely the daily vegetable intake showed a significant difference according to sex (higher among girls). Daily fruit intake was 63% higher among adolescents living in urban areas. Not consuming alcohol was associated with higher fruit intake, though not to vegetable intake. Daily intake of fruits and vegetables was 2.4 times higher among adolescents who consumed rice and beans daily. Daily fruit and vegetable intake among adolescents in Caruaru is below the recommendations, and was associated with gender, residence area, consumption of alcoholic beverages and consumption of rice and beans.
Consumo de carnes por adultos do sul do Brasil: um estudo de base populacionalMeat consumption by adults in southern Brazil: a population-based study Dos 2,730 entrevistados, 99,1% (IC 95%, 98,5) vermelhas (99,3%, IC 95%, 98,6)
This study aimed to describe fetal, neonatal, and post-neonatal mortality and associated factors in participants of the 2015 Pelotas (Brazil) birth cohort. The child mortality sub-study followed up all deaths in the first year of life. Data were collected on intrauterine fetal deaths (weight ≥ 500g and/or gestational age ≥ 20 weeks), neonatal deaths (< 28 days of life), and post-neonatal deaths (from 28 days to the end of the first year of life). Descriptive analyses using the Pearson chi-square test and a multinomial logistic regression to estimate the risk of fetal, neonatal, and post-neonatal deaths compared to live infants in the cohort (reference group) were performed. Data from 4,329 eligible births were collected, of which 54 died during the fetal period. Of the 4,275 eligible live births, 59 died in the first year of life. An association between fetal, neonatal, and post-neonatal deaths (OR = 15.60, 7.63, and 5.51 respectively) was found, as well as less than six prenatal consultations. Compared to live infants, fetal deaths were more likely to occur in non-white mothers, and neonatal deaths were 14.09 times more likely to occur in a preterm gestational age (< 37 weeks). Compared to live infants, infants that were born in a C-section delivery had 3.71 increased odds of post-neonatal death. Additionally, neonatal deaths were 102.37 times more likely to have a low Apgar score on the fifth minute after birth. These findings show the need for early interventions during pregnancy, ensuring access to adequate prenatal care.
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