Publications by authors named "David Columb"

Objectives: The aim of the present study was to evaluate the levels of possible internet addiction, gaming addiction, gambling addiction and associated mental health difficulties in a secondary school population in Ireland.

Methods: An online survey containing questions related to internet addiction, gaming addiction, gambling addiction and associated mental health difficulties was administered to secondary school adolescents in Ireland. Participants were self-selecting and answered questions on the characteristics of each topic and screening questionnaires for addiction to each behaviour, as well as their respective effects on mental health.

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Objectives: The aim of this study was to carry out the first ever study of gaming characteristics of individuals engaging in online gaming in Ireland and to ascertain whether features of gaming disorder are present in this population.

Methods: An online survey (comprising 21 questions - 3 demographic questions and 18 questions related to gaming and gaming disorder) was distributed on numerous Irish online gaming forums and Irish online gaming communities. Participants were self-selected and invited to compete the online survey containing questions related to gaming behaviours (age of onset, hours played on weekdays/weekends, type of device used), mobile gaming, motives for online gaming, use of microtransactions, engagement in esports, and a screening tool for the presence of gaming disorder.

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Gaming disorder is set to be included in the International Statistical Classification of Diseases and Related Health Problems alongside other behavioural addictions (gambling disorder) and substance-related addictions. Given the popularity of online gaming, this is set to become an increasingly common presentation to general mental health professionals, addiction specialists, and general practitioners. This article briefly examines online gaming and describes the characteristics of gaming disorder.

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Purpose: This study aimed to examine the effect of the degree of inclination from upright to supine postures on cycling performance, fatigue, and oxygen uptake (V˙O(2)) kinetics.

Methods: In experiment 1, 10 subjects performed graded and fatigue (exhaustive constant-load heavy exercise with 10 s all-out efforts interspersed every minute) tests at four cycling postures: upright, 30° recumbent (R), 15° R, and supine. In experiment 2, nine different subjects performed two bouts of constant-load heavy exercise in the same four cycling postures.

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