Physical inactivity correlates strongly with socio-demographic factors such as age, gender and educational level. Results identify social and economic groups to which future public health interventions should be aimed to increase PA in the Chilean population.
A study was conducted to assess the validity of the Global Physical Activity Questionnaire (GPAQ) for measuring sedentary behaviour (SB) in the Chilean adult population. About 217 adults (93/124 male/female, 43.8 ± 15.75 years) who were randomly selected during National Health Survey 2009-2010 completed the protocol. The participants wore an ActiGraph GT3X (AG) for 7 consecutive days and then completed the GPAQ (single-item question for measuring time spent sitting in a usual day). Validity was examined using Spearman's correlation, mean bias and limits of agreement (LoA), with AG (vertical axis <100 counts · min) as the reference standard for estimates of SB in bouts of 1 (AG1), 5 (AG5) and 10 (AG10) min. Agreement between the GPAQ and AG for classifying data into quartiles and tertiles was assessed with kappa method. The GPAQ showed fair correlation with AG1, AG5 and AG10 (range = 0.23-0.26), with large mean biases (range = -293.9, -76.12 min · day). Agreement between the GPAQ and AG1, AG5 and AG10 was poor for categorising time spent in SB into tertiles and quartiles. The single question from the GPAQ has shown fair validity for measuring SB and poor ability for correctly classifying individuals into tertiles or quartiles of SB in a Chilean population.
ObjectiveTo determine profiles of urban runners based on socio-demographic, health, motivational, training characteristics and running-related beliefs and behaviours.MethodsMixed, exploratory, sequential study with two stages: 1) quantitative, using an online survey; and 2) qualitative, using semi-structured interviews with runners from the previous stage. Participants were recruited via: running routes commonly attended by runners, eight races, previous databases and social media networks. The survey collected information on six dimensions: (1) socio-demographic; (2) health; (3) motivations; (4) training characteristics; (5) running-related behaviour; and (6) beliefs and perceptions about health. Profiles were identified using a two-step hierarchical clustering analysis. Subsequently, 15 interviews were conducted with participating runners across each of the identified profiles. Qualitative analysis complemented the profiles characterization, explaining motivations to start and continue running, beliefs about risk factors and injury prevention, and the physical therapist’s role in rehabilitation. Statistical analysis from stage one was conducted using SPSS 22 with a confidence level of 5%. Qualitative data were analysed using thematic and content analyses.ResultsA total of 821 surveys were analysed (46% female), mean aged 36.6±10.0 years. Cluster analysis delineated four profiles (n = 752) according to years of running experience, weekly running volume and hours of weekly training. Profiles were named “Beginner” (n = 163); “Basic” (n = 164); “Middle” (n = 160) and “Advanced” (n = 265). Profiles were statistically different according to sex, age, years of running experience, training characteristics, previous injuries and use of technological devices (p<0.05). There were identified motivations to start and continue running. Beliefs about risk factors vary among stretching, footwear, training surface and overload. Runners identified the physical therapist as a specialist, involved in the rehabilitation process and showing empathy towards the patient. The identification of these profiles allows the generation of future prospective studies and clinical trials to evaluate risk and prognostic factors targeting specific populations of runners, with the ultimate aim of reducing running-related injury.
Background:The 2016 Chilean Report Card on Physical Activity for Children and Youth is a review of the evidence across indicators of behaviors, settings, and sources of influence associated with physical activity (PA) of Chilean children and youth.Methods:A Research Work Group reviewed available evidence from publications, surveys, government documents and datasets to assign a grade for 11 indicators for PA behavior based on the percentage of compliance for defined benchmarks. Grades were defined as follows: A, 81% to 100% of children accomplishing a given benchmark; B, 61% to 80%; C, 41% to 60%; D, 21% to 40%; F, 0% to 20%; INC, incomplete data available to assign score.Results:Grades assigned were for i) ‘Behaviors that contribute to overall PA levels’: Overall PA, F; Organized Sport Participation, D; Active Play, INC; and Active Transportation, C-; ii) ‘Factors associated with cardiometabolic risk’: Sedentary Behavior, D; Overweight and Obesity, F; Fitness, F; and iii) ‘Factors that influence PA’: Family and Peers, D; School, D; Community and Built Environment, C; Government Strategies and Investments, C.Conclusions:Chile faces a major challenge as most PA indicators scored low. There were clear research and information gaps that need to be filled with the implementation of consistent and regular data collection methods.
INTRODUCTION: Prone positioning is a therapy utilized globally to improve gas exchange, minimize ventilator-induced lung injury, and reduce mortality in acute respiratory distress syndrome (ARDS), particularly during the ongoing coronavirus disease 2019 (COVID-19) pandemic. While the respiratory benefits of prone positioning in ARDS have been accepted, the concurrent complications could be undervalued. Therefore, this study aimed to identify the adverse events related to prone positioning in ARDS, and secondarily, to collect strategies and recommendations to mitigate these adverse events. METHODS: In this scoping review, we searched recommendation documents and original studies published between June 2013 and November 2020 from six relevant electronic databases and the websites of intensive care societies. RESULTS: We selected 41 documents from 121 eligible documents, comprising 13 recommendation documents and 28 original studies (involving 1,578 patients and 994 prone maneuvers). We identified more than 40 individual adverse events, and the highest pooled occurrence rates were that of severe desaturation (37.9%), barotrauma (30.5%), pressure sores (29.7%), ventilationassociated pneumonia (28.2%), facial edema (16.7%), arrhythmia (15.4%), hypotension (10.2%), and peripheral nerve injuries (8.1%). The reported mitigation strategies during prone positioning include alternate face rotation (18 [43.9%]), repositioning every 2 hours (17 [41.5%]), and the use of pillows under the chest and pelvis (14 [34.1%]). The reported mitigation strategies for performing the prone maneuver comprise one person being at the headboard (23 [56.1%]), the use of a pre-maneuver safety checklist (18 [43.9%]), vital sign monitoring (15 [36.6%]), and ensuring appropriate ventilator settings (12 [29.3%]). CONCLUSIONS: We identified >40 adverse events reported in prone positioning ARDS studies, involving additional AEs not yet reported by previous systematic reviews. The Page 3 of 43 Respiratory Care 4 pooled adverse event proportions collected in this review could guide research and clinical practice decisions, and the strategies to mitigate adverse events could promote future consensus-based recommendations.
Un mayor nivel de actividad física se asocia a una menor prevalencia de factores de riesgo cardiovascular en Chile: resultados de la Encuesta Nacional de Salud 2009-2010 carlos celis-morales 1,2,a , carlos salas 3,b , cristian álvarez 4,c , nicolás aGuilar Farías 5,d , rodriGo ramírez campillos 6,e , Jaime leppe 7,f , carlos cristi-montero 8,9,g , Ximena díaz martínez 10,h , eliana duran 11,i , ana maría laBraña 11,i , maría adela martínez 12,j , ana maría leiva 13,k , naomi willis 2,l Higher physical activity levels are associated with lower prevalence of cardiovascular risk factors in Chile Background: Little is known about the relationship between physical activity (PA) and cardiovascular risk factors in the Chilean population. Aim: To investigate the association between different levels and intensities of PA and the prevalence of cardiovascular (CV) risk factors in Chilean adults. Material and Methods: Data from the National Health Survey 2009-10 including 5157 participants, provided by the Epidemiology Department of the Ministry of Health, was analyzed in this study. The prevalence of type 2 diabetes mellitus, hypertension, metabolic syndrome and dyslipidemia were determined using international criteria. PA levels were determined using the Global Physical Activity Questionnaire (GPAQ v2) and different levels of PA were derived from it (transport-related, moderate and vigorous PA). Quartiles of PA were determined to investigate the association between PA and cardiovascular risk factors. Results: Twenty three percent of women and 17.1% of men did not meet the PA recommendation (≥ 600 METs.min.week-1). When prevalence of CV risk factors were compared between inactive individuals (< 600 METs.min.week-1) and active individuals (≥ 9500 METs.min.week-1) a significantly lower prevalence of diabetes mellitus (6.2% and 10%), hypertension (18.0% and 12.4%) and metabolic syndrome (8.9% and 12.1%) for women and men, respectively, was found in the active participants. Similar results were found for high versus low transport-related PA. Conclusions: Increasing levels of PA are associated with a significantly lower frequency of cardiovascular risk factors in Chilean adults.
Objective: This study aims to determine the relationship between weekly pre-competition running volume and the presence of running-related injuries (RRIs) by race distance. Methods: An online questionnaire was sent to 25,000 participants, 14 days following the running event. The questionnaire included the presence and topography of RRIs, previous injury in the last 12 months, running experience, training, and sociodemographic characteristics. Univariate and multivariable binomial regression was used to analyse the crude and adjusted relationship of RRI and training volumes. Results: 4380 surveys were analysed (10km, n=1316; 21km, n= 2168; 42km, n=896). The median age was 36 years. Previous injury was reported by 51.8% of the respondents. Median training volume in the previous month was 15 km/week (IQR 6-24), 30 km/week (IQR 15-40) and 45 km/week (IQR 30-60), for the 10km, 21km, and 42km distances, respectively. During the race, 14.1% reported a RRI, with 43.1% located at the knee. The multivariable analysis showed previous injury and distance as the main associated factors, whereas weekly training volume, age, and previous participation were protective. Conclusion: Race is an inciting event for developing a RRI. Running race distance is an important factor itself and should be incorporated with other modifiable risk factors in current injury models.
Background: Health-related quality of life (HRQoL) is defined as the patient's perception of their health status. HRQoL can be modified by illnesses, treatments or social and health policies. Chronic musculoskeletal pain is a modifying factor of HRQoL that leads to lower quality of life, elevated suffering and disability. Knowing HRQoL in subjects reporting chronic musculoskeletal symptoms (cMSS), like pain, discomfort or swollenness lasting more than 3 months, will provide information to health teams and organizations engaged in the Chilean health system. This study aim was to determine the relationship between HRQoL and musculoskeletal symptoms measured in three different Chilean groups: [1] without symptoms; [2] with acute symptoms; and [3] with cMSS. Methods: A secondary analysis of the 2009-10 Chilean National Health Survey (NHS) was executed to determine the relationship between HRQoL (measured with SF-12) in three MSS groups. The Chilean NHS considered a national, probabilistic, stratified and multistage sample of 5293 participants aged 15 and older; it was representative at the national, urban-rural and regional levels. A multivariate logistic regression model studied the relationship between cMSS and HRQoL, adjusted for age, sex, educational level and residence area as control variables (p < 0.05). Results: Out of 5293 participants in the NHS 2009-10, 5276 subjects were included for analysis. The median age was 46 years (IQR 31-60), 59.4% women, a median of 10 years formal education (IQR 7-12) and an urban residence in 85.2% of the population of the NHS 2009-10. The observed population prevalence of people with cMSS was 42.6% ). Presence of cMSS is a risk factor for low HRQoL, exhibited both in the physical (OR 3.1 95% CI 2.7-3.5) and mental (OR 1.9 95% CI 1.6-2,) HRQoL dimensions, independent of control variables. Conclusions: Physical and mental HRQoL are affected in people with cMSS, low educational level and advanced age. This is especially seen in women. This information will facilitate assessment and treatment of cMSS as a prevalent and multidimensional health problem.
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