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La Sociedad Española de Epidemiología (SEE), fundada en 1978, tiene como cultivar y fomentar el contenido y la metodología epidemiológica, contribuyendo así a la promoción de la salud pública. En la actualidad cuenta con más de un millar de personas asociadas y doce grupos de trabajo. Asimismo, la SEE procura, siempre, contribuir a la toma de decisiones basadas en el conocimiento científico y libres de conflicto de intereses que puedan ser de utilidad para la población

Objectives Sedentary behavior is a risk factor for comorbidities independently of physical activity. Some studies have reported screen time as an unhealthier form of sedentary behavior. This study assessed the association between recreational screen-time behavior and self-perceived health. Study design This is a cross-sectional study. Methods As part of the Salut als Carrers Project, in 2018 a survey was conducted in a representative sample (n ​= ​795) of residents aged ​≥ ​18 years living in the borough of Horta, in Barcelona. The survey assessed self-perceived health, recreational screen-time behavior on working and non-working days (Marshall questionnaire), leisure time physical activity (International Physical Activity Questionnaire [IPAQ] long form), socioeconomic status, and age. We analyzed associations between self-perceived health and recreational screen-time sedentary behavior, with adjustment of robust Poisson models for social class, age, and leisure physical activity. All analyses were stratified by gender. Results A total of 82.7% of men and 82.5% of women reported sedentary behavior during recreational screen time of ≥3 ​h/day on working days, and 63.9% of men and 65.8% of women on non-working days. Spending ≥3 ​h/day sitting in front of a screen for leisure was associated with poor self-perceived health only on working days for men [PR ​= ​1.87 (1.13–3.09)] but not for women [PR ​= ​1.32 (0.82–2.11)] regardless of leisure physical activity, age, and social class. Conclusions In adults, sedentary behavior during recreational screen time on working days is adversely associated with perceived ill health in men, irrespective of leisure time physical activity. Public health interventions could benefit from promoting a reduction in leisure screen sitting time after working hours.

Podrán cuestionarse históricamente la existencia de un vínculo entre las opresiones de poder, la reproducción y la salud en general sin embargo no cabe la menor duda que punto y aparte de nuestras diferencias genéticas o nuestras diferencias conductuales las decisiones personales en el mundo no son tan personales y se realizan a nivel poblacional. Es en este sentido en el cual se plantea que los sistemas en que vivimos como sociedad permean en nuestros determinantes más proximales y distales. Y si los sistemas permean a tal punto y generan desigualdad sistémica ¿Por qué no podemos darnos la oportunidad de cuestionarnos como los sistemas, sus opresiones y privilegios sistémicos permean en nuestra sociedad, nuestro conocimiento, nuestros haceres y a su vez en nuestra reproducción, nuestra sexualidad, nuestra salud? The existence of a link between the oppressions of power, reproduction and health in general may be questioned historically, but there is no doubt that apart from our genetic differences or our behavioural differences, personal decisions in the world are not so personal and are made at the population level. It is in this sense that the systems in which we live as a society permeate our most proximal and distal determinants. And if the systems permeate to such an extent and generate systemic inequality, why can't we give ourselves the opportunity to question how the systems, their systemic oppressions and privileges permeate our society, our knowledge, our actions and in turn our reproduction, our sexuality, our health?