Results 171 to 180 of about 78,283 (217)

[Self-report of body silhouettes to discriminate high abdominal adiposity in adolescents]. [PDF]

open access: yesRev Med Inst Mex Seguro Soc
Estrada-Nava EY   +3 more
europepmc   +1 more source

[XVII Post-ECTRIMS Meeting: Review of the New Developments Presented at the 2024 ECTRIMS Congress (II)]. [PDF]

open access: yesRev Neurol
Fernández Ó   +23 more
europepmc   +1 more source

Combinación óptima del número de participantes y el número de medidas repetidas en estudios longitudinales con exposición variable en el tiempo

open access: yes, 2012
En el contexto de los estudios longitudinales observacionales, hemos obtenido los valores óptimos para el número de participantes y el número de medidas repetidas que maximizan la potencia para detectar el hipotético efecto, sin rebasar un presupuesto económico determinado, o que minimizan el coste total del estudio, alcanzando una potencia determinada.
openaire   +1 more source

[Prevalence of electronic cigarette use and refill compositions among young people and adults in Cantabria]. [PDF]

open access: yesOpen Respir Arch
Fernández-Carrillo PD   +5 more
europepmc   +1 more source

¿Puede el acoso escolar generar depresión en las víctimas? la relación entre acoso escolar y depresión en estudios longitudinales y retrospectivos

open access: yes
Bullying is common and several studies have reported harmful consequences of this aggressive behavior, including depression. The aim of the present investigation was to determine whether there is a causal relationship between bullying and depression by reviewing longitudinal and retrospective studies from the last 5 years. The PRISMA guide was followed
Portocarrero Salcedo, Lucía del Carmen   +1 more
openaire   +1 more source

Long-term mental health trajectories after the Great East Japan Earthquake: a systematic review. [PDF]

open access: yesEur J Psychotraumatol
Tuturea LE   +5 more
europepmc   +1 more source

[Systematic review of teen pregnancy prevention programs using websites and chatbotsProgramas de prevenção de gravidez na adolescência com base em sites e chatbots: revisão sistemática]. [PDF]

open access: yesRev Panam Salud Publica
Librado González N   +5 more
europepmc   +1 more source

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