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Introducción: Se pretende describir el perfil de usuario y determinar su motivación para visitar el servicio de urgencias hospitalario (SUH) por iniciativa propia. Método: Se elaboró un cuestionario ad hoc que se aplicó por selección consecutiva a los pacientes que podían esperar asistencia (nivel 1 del triage) durante una semana de noviembre de 2002. Resultados: Respondieron el cuestionario 348 pacientes, acudiendo por iniciativa propia el 82,5%. De éstos, el 17,7% desconocía el funcionamiento de atención primaria respecto a urgencias; el 18,8% consultó con su centro de salud; el 55,0% refirió preferencia por el SUH y el 13,5% acudió por demora en otros niveles asistenciales. El 50,5% era menor de 40 años y el 9,2%, extranjero. Conclusiones: Los cambios en el patrón de consumo de servicios sanitarios pueden comprometer la organización del Sistema Nacional de Salud, si no se adapta la oferta a la necesidad expresada y/o se interviene modulando el uso racional de los recursos sanitarios.Introduction: The aim of this study was to determine the reasons why patients use hospital emergency services (HES) on their own initiative and the characteristics of these users. Method: An ad hoc questionnaire was designed and applied by consecutive selection to patients who could have waited for medical care (level 1 triage) over a 1-week period in November 2002. Results: A total of 348 patients completed the questionnaire; 82.5% attended on their own initiative; of these, 17.7% reported they did not know how Primary Care worked in relation to the Emergency Services; 18.8% consulted a Primary Care physician; 55.0% preferred the HES and 13.5% attended because of a delay in another health care setting. Half the patients (50.5%) were younger than 40 years old and 9.2% were foreigners. Conclusions: Changes in health services' consumption patterns could jeopardize the public health system unless supply is adapted to the demand expressed and/or interventions are performed to educate the public in rational health services' consumption.

Objetivo: Determinar la prevalencia de los grados de actividad física global en las personas de 18 a 65 años de la ciudad de Bogotá (Colombia) e identificar los factores asociados con la regularidad en la actividad. Métodos: Se realizó una encuesta poblacional, aplicada a 3.000 adultos residentes en la ciudad de Bogotá durante el año 2003, seleccionados en una muestra probabilística multietápica. Los niveles de actividad física fueron determinados por medio de la versión abreviada del IPAQ. La aplicación de un modelo de regresión logístico permitió identificar los factores asociados con la regularidad en la actividad. Resultados: La prevalencia ajustada de personas regularmente activas fue del 36,8%. Después del ajuste de las potenciales variables de confusión, las posibilidades de ser regularmente activo fueron mayores en los varones (odds ratio [OR] = 1,62; intervalo de confianza [IC] del 95%,1,31-2,01) y en personas con una autopercepción del estado de salud buena o muy buena (OR = 1,87; IC del 95%, 1,41-2,49). Las posibilidades fueron menores en las personas de los grupos de edad de 30-49 y 50-65 años (OR = 0,78; IC del 95%, 0,63-0,96 y OR = 0,60; IC del 95%, 0,43-0,82, respectivamente) y en aquellas cuya principal actividad en los últimos 30 días era buscar trabajo (OR = 0,71; IC del 95%, 0,51-0,97) o realizar labores del hogar (OR = 0,72; IC del 95%, 0,54-0,96). En las mujeres, a diferencia de los varones, los grupos de edad no tuvieron asociación con la regularidad en la actividad. Conclusión: En este estudio se ponen de manifiesto diferencias entre los sexos en las prevalencias de los niveles de actividad física global y en sus factores asociados. En futuros trabajos se deberá establecer, en el contexto de ciudades latinoamericanas, si es pertinente determinar, además de los grados de actividad física global, los indicadores específicos en cada dominioObjective: To determine the prevalence of physical activity levels in adults aged 18 to 65 years in Bogotá city and identify the factors associated with regular physical activity. Methods: We conducted a population-based, cross-sectional survey in 3,000 adult residents of Bogotá in 2003 who were selected through a multistage probabilistic sample. Physical activity levels were determined using the short version of the International Physical Activity Questionnaire. Factors associated with regular physical activity were identified by logistic regression models. Results: The adjusted prevalence of persons undertaking regular physical activity was 36.8%. After adjustment for potential confounders, regular physical activity was more likely in men (odds ratio [OR] = 1.62; 95% CI, 1.31-2.01) and in those whose self-perceived health status was good or very good (OR = 1.87; 95% CI, 1.41-2.49) and was less likely in those aged 30-49 years or 50-65 years (OR = 0.78; 95% CI, 0.63-0.96, and OR = 0.60; 95% CI, 0.43-0.82, respectively) and in those whose main activity in the previous 30 days was searching for a job (OR = 0.71; 95% CI, 0.51-0.97) or carrying out household tasks (OR = 0.72; 95% CI, 0.54-0.96). In women, unlike men, age groups showed no association with regular physical activity. Conclusion: This study shows gender differences in the prevalence of physical activity levels and associated factors. Future studies should establish, in the context of Latin American cities, whether it is appropriate to determine specific measures in each domain, in addition to overall physical activity levels

ResumenObjetivoDeterminar la prevalencia de los grados de actividad física global en las personas de 18 a 65 años de la ciudad de Bogotá (Colombia) e identificar los factores asociados con la regularidad en la actividad.MétodosSe realizó una encuesta poblacional, aplicada a 3.000 adultos residentes en la ciudad de Bogotá durante el año 2003, seleccionados en una muestra probabilística multietápica. Los niveles de actividad física fueron determinados por medio de la versión abreviada del IPAQ. La aplicación de un modelo de regresión logístico permitió identificar los factores asociados con la regularidad en la actividad.ResultadosLa prevalencia ajustada de personas regularmente activas fue del 36,8%. Después del ajuste de las potenciales variables de confusión, las posibilidades de ser regularmente activo fueron mayores en los varones (odds ratio [OR] = 1,62; intervalo de confianza [IC] del 95%,1,31-2,01) y en personas con una autopercepción del estado de salud Buena o muy buena (OR = 1,87; IC del 95%, 1,41-2,49). Las posibilidades fueron menores en las personas de los grupos de edad de 30-49 y 50-65 años (OR = 0,78; IC del 95%, 0,63- 0,96 y OR = 0,60; IC del 95%, 0,43-0,82, respectivamente) y en aquellas cuya principal actividad en los últimos 30 días era buscar trabajo (OR = 0,71; IC del 95%, 0,51-0,97) o realizar labores del hogar (OR = 0,72; IC del 95%, 0,54-0,96). En las mujeres, a diferencia de los varones, los grupos de edad no tuvieron asociación con la regularidad en la actividad.ConclusiónEn este estudio se ponen de manifiesto diferencias entre los sexos en las prevalencias de los niveles de actividad física global y en sus factores asociados. En futuros trabajos se deberá establecer, en el contexto de ciudades latinoamericanas, si es pertinente determinar, además de los grados de actividad física global, los indicadores específicos en cada dominio.AbstractObjectiveTo determine the prevalence of physical activity levels in adults aged 18 to 65 years in Bogotá city and identify the factors associated with regular physical activity.MethodsWe conducted a population-based, cross-sectional survey in 3,000 adult residents of Bogotá in 2003 who were selected through a multistage probabilistic sample. Physical activity levels were determined using the short version of the International Physical Activity Questionnaire. Factors associated with regular physical activity were identified by logistic regression models.ResultsThe adjusted prevalence of persons undertaking regular physical activity was 36.8%. After adjustment for potential confounders, regular physical activity was more likely in men (odds ratio [OR] = 1.62; 95% CI, 1.31-2.01) and in those whose self-perceived health status was good or very good (OR = 1.87; 95% CI, 1.41-2.49) and was less likely in those aged 30-49 years or 50-65 years (OR = 0.78; 95% CI, 0.63-0.96, and OR = 0.60; 95% CI, 0.43-0.82, respectively) and in those whose main activity in the previous 30 days was searching for a job (OR = 0.71; 95% CI, 0.51-0.97) or carrying out household tasks (OR = 0.72; 95% CI, 0.54-0.96). In women, unlike men, age groups showed no association with regular physical activity.ConclusionThis study shows gender differences in the prevalence of physical activity levels and associated factors. Future studies should establish, in the context of Latin American cities, whether it is appropriate to determine specific measures in each domain, in addition to overall physical activity levels.

The aim of this study was to determine the reasons why patients use hospital emergency services (HES) on their own initiative and the characteristics of these users.An ad hoc questionnaire was designed and applied by consecutive selection to patients who could have waited for medical care (level 1 triage) over a 1-week period in November 2002.A total of 348 patients completed the questionnaire; 82.5% attended on their own initiative; of these, 17.7% reported they did not know how Primary Care worked in relation to the Emergency Services; 18.8% consulted a Primary Care physician; 55.0% preferred the HES and 13.5% attended because of a delay in another health care setting. Half the patients (50.5%) were younger than 40 years old and 9.2% were foreigners.Changes in health services' consumption patterns could jeopardize the public health system unless supply is adapted to the demand expressed and/or interventions are performed to educate the public in rational health services' consumption.

To determine the prevalence of physical activity levels in adults aged 18 to 65 years in Bogotá city and identify the factors associated with regular physical activity.We conducted a population-based, cross-sectional survey in 3,000 adult residents of Bogotá in 2003 who were selected through a multistage probabilistic sample. Physical activity levels were determined using the short version of the International Physical Activity Questionnaire. Factors associated with regular physical activity were identified by logistic regression models.The adjusted prevalence of persons undertaking regular physical activity was 36.8%. After adjustment for potential confounders, regular physical activity was more likely in men (odds ratio [OR] = 1.62; 95% CI, 1.31-2.01) and in those whose self-perceived health status was good or very good (OR = 1.87; 95% CI, 1.41-2.49) and was less likely in those aged 30-49 years or 50-65 years (OR = 0.78; 95% CI, 0.63-0.96, and OR = 0.60; 95% CI, 0.43-0.82, respectively) and in those whose main activity in the previous 30 days was searching for a job (OR = 0.71; 95% CI, 0.51-0.97) or carrying out household tasks (OR = 0.72; 95% CI, 0.54-0.96). In women, unlike men, age groups showed no association with regular physical activity.This study shows gender differences in the prevalence of physical activity levels and associated factors. Future studies should establish, in the context of Latin American cities, whether it is appropriate to determine specific measures in each domain, in addition to overall physical activity levels.

ResumenIntroducciónSe pretende describir el perfil de usuario y determinar su motivación para visitar el servicio de urgencias hospitalario (SUH) por iniciativa propia.MétodoSe elaboró un cuestionario ad hoc que se aplicó por selección consecutiva a los pacientes que podían esperar asistencia (nivel 1 del triage) durante una semana de noviembre de 2002.ResultadosRespondieron el cuestionario 348 pacientes, acudiendo por iniciativa propia el 82,5%. De éstos, el 17,7% desconocía el funcionamiento de atención primaria respecto a urgencias; el 18,8% consultó con su centro de salud; el 55,0% refirió preferencia por el SUH y el 13,5% acudió por demora en otros niveles asistenciales. El 50,5% era menor de 40 años y el 9,2%, extranjero.ConclusionesLos cambios en el patrón de consumo de servicios sanitarios pueden comprometer la organización del Sistema Nacional de Salud, si no se adapta la oferta a la necesidad expresada y/o se interviene modulando el uso racional de los recursos sanitarios.AbstractIntroductionThe aim of this study was to determine the reasons why patients use hospital emergency services (HES) on their own initiative and the characteristics of these users.MethodAn ad hoc questionnaire was designed and applied by consecutive selection to patients who could have waited for medical care (level 1 triage) over a 1-week period in November 2002.ResultsA total of 348 patients completed the questionnaire; 82.5% attended on their own initiative; of these, 17.7% reported they did not know how Primary Care worked in relation to the Emergency Services; 18.8% consulted a Primary Care physician; 55.0% preferred the HES and 13.5% attended because of a delay in another health care setting. Half the patients (50.5%) were younger than 40 years old and 9.2% were foreigners.ConclusionsChanges in health services’ consumption patterns could jeopardize the public health system unless supply is adapted to the demand expressed and/or interventions are performed to educate the public in rational health services’ consumption.