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- Sitting time and body mass índex in a sample of portuguese university studentsPublication . Vasconcelos, Carlos; Fernandes, José Carlos; Fernandes, Isabel P.; Fernandes, Bóris dos Santos; Rocha, Carina; Sá, CarlaINTRODUCTION: Overweight and obesity are serious health problems in Portugal, with physical, psychological and social consequences that affects individuals’ quality of life. In university students’ daily routine, sitting is a predominant behavior for many hours per day, increasing sedentary time among these individuals. OBJECTIVES: The purpose of this study was to analyze the association between the time spent sitting in an ordinary weekday and body mass index in a sample of Portuguese university students. METHODOLOGY: This was a cross-sectional study performed in 72 Portuguese university students (38 female; 22.1 ± 3.9 years of age). The time spent sitting in an ordinary weekday was assessed with the International Physical Activity Questionnaire (short last week version). Body mass index was calculated through self-reported body weight (kg) and body height (m) data with the formula body weight (kg) / body height (m)2. RESULTS: The time spent sitting in an ordinary weekday was 342.1 ± 192.7 minutes. The mean value of body mass index was 22.9 ± 2.9 kg/m2. Through the use of Pearson correlation, we determine that the association between sitting time and body mass index is positive and significant (r = 0.511; p < 0.001). CONCLUSIONS: Our study revealed that there was significant association between sitting time and body mass index in this sample of Portuguese university students. Although the cross sectional design of our study do not allow to establish causality, it suggests the need of effective strategies to reduce time sitting in this individuals.
- Nutrition-related knowledge in a sample of Portuguese healthcare professionalsPublication . Sá, Carla; Almendra, Mariana Costa; Lucas, Sara Isabel Alves; Alves, Olga Manuela Lomba; Vasconcelos, CarlosFood pattern can influence an individual's health status. One of the factors that influence diet behavior is nutrition-related knowledge. Although individuals benefit from dietary counseling, many healthcare professionals seldom have the knowhow to advise patients on nutrition-related features. The aim of this study was to evaluate nutrition-related knowledge in a sample of Portuguese Healthcare Professionals. METHODOLOGY: Distinct Healthcare Professionals (nurses; doctors; physiotherapists; [n= 38, 86.8% female, mean age: 40.1± 9.8 years]) from a Portuguese Local Health Unit, took part in this volunteered study. Nutritionrelated knowledge was assessed using the Portuguese reduced version of the Nutritional Knowledge Questionnaire. This version of the questionnaire consists of three sections (dietary recommendations [0-6 points]; sources of nutrients [0-34 points]; diet-disease relationship [0-16 points]), totaling a maximum score of 56 points. All participants gave their informed consent, and this work was approved by the ethics committee of the Local Health Unit. RESULTS: Our results indicate that 63.2% of Healthcare Professionals search for nutrition information less that once a month and 21% reported that took nutrition courses in addition to their basic training. Total score of the Portuguese reduced version of the Nutritional Knowledge Questionnaire was 30.8 ± 7.2 points. CONCLUSIONS: This sample of Portuguese Healthcare Professionals demonstrated reasonable nutrition-related knowledge. Interest in seeking information about nutrition was not evident and there was a low demand for the enhancement of nutrition-related knowledge. The integration of nutrition professionals in multidisciplinary teams could be a solution for the improvement of nutrition-related knowledge.
- Nutrition-related knowledge and body mass índex in a sample of portuguese university studentsPublication . Vasconcelos, Carlos; Fernandes, José Carlos; Fernandes, Isabel P.; Fernandes, Bóris dos Santos; Rocha, Carina; Sá, CarlaINTRODUCTION: Being overweight or obese is associated with several health problems. In Portugal, 59.1% of the adult population (> 20 years old) are overweight and 24.0% obese. Nutrition-related knowledge is one important factor that influence healthy eating patterns. OBJECTIVES: The purpose of this study was to analyze the association between nutrition-related knowledge and body mass index in a sample of Portuguese university students. METHODOLOGY: This was a cross-sectional study performed in 75 Portuguese university students (40 female; 22.1 ± 3.8 years of age). Nutrition-related knowledge was assessed using the Portuguese reduced version of the Nutritional Knowledge Questionnaire. This version of the questionnaire consists of three sections (dietary recommendations [0-6 points]; sources of nutrients [0-34 points]; diet-disease relationship [0-16 points]), totaling a maximum score of 56 points. Body mass index was calculated through self-reported body weight (kg) and body height (m) data with the formula body weight (kg) / body height (m)2. RESULTS: Total score of the Portuguese reduced version of the Nutritional Knowledge Questionnaire was 31.5 ± 8.8 points. The mean value of body mass index was 22.9 ± 2.9 kg/m2. Through the use of Pearson correlation, we determine that the association between nutrition-related knowledge and body mass index is positive and non-significant (r = 0.119; p = 0.309). CONCLUSIONS: Our study revealed that there was no significant association between levels of nutrition-related knowledge and body mass index in this sample of Portuguese university students.