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Background Physical activity (PA) is an important factor among the determinants of health due to it’s protective factor and preventive role. Self-reported measures such as questionnaires are most commonly used in public health studies, but may over- or underestimate actual patterns of PA. Therefore, accelerometers are widely used to assess concurrent validity. The aim of the present study was to adapt and validate the self-administered GPAQ - Hungarian version (GPAQ-H) against accelerometer data and IPAQ-Hungarian long version (IPAQ-HL) in Hungarian healthy young adults. Methods A cross-sectional comparative study was conducted to examine the last 7 days PA by GPAQ-H, comparing with IPAQ-HL and Actigraph GT3X accelerometer to measure concurrent validity and reliability. A convenient sample of 300 young adults was recruited in January – July 2018 at the University of Pécs, in South-Hungary, 120 participants (age 21.53 ± 1.75 years, 46.66% male) were included in the validity and reliability study. Results Significant differences between the three instruments were found ( p < 0.001) in all scores, except PAQs vigorous activities ( p = 0.332) and GPAQ-H and accelerometer MVPA score ( p = 0.424). A moderate KMO measure was found (0.538) with a significant Barlett’s test of Sphericity (279.51; p < 0.001). The total variance was explained as 81.10%. The reliability of the GPAQ-H instrument with all domain’s scores was 0.521 (CI 0.371–0.644). We found in all intensity scores and sitting time good reliability scores ( R = 0.899–987, p < 0.001) between the baseline and follow-up ( N = 33 random subsample). The Bland-Altman plots were showed that GPAQ-H overestimates vigorous activities by 212.75 min/week (331.82–757.42) and MVPA by 104.93 min/week (− 1016.98–807.11). A high difference, 6336.79 min/week (CI 3638.18–9035.40) was revealed regarding sitting, as GPAQ-H largely underestimated the time spent sedentary. Conclusions The Hungarian GPAQ self-administered form showed fair to moderate validity with correlation coefficients similar to other European studies. Based on our study’s results it could be claimed that the GPAQ-H measurement tool is a valid and reliable questionnaire to measure the healthy Hungarian population’s physical activity patterns. However, our results also proved that GPAQ-H alone is not a valid and reliable questionnaire to measure sitting time.

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Authors' contributionWkład autorów: A. Study design/planning zaplanowanie badań B. Data collection/entry zebranie danych C. Data analysis/statistics dane -analiza i statystyki D. Data interpretation interpretacja danych E. Preparation of manuscript przygotowanie artykułu F. Literature analysis/search wyszukiwanie i analiza literatury G. Funds collection zebranie funduszy SummaryBackground. Regular sporting activity can lead to favorable personality changes in addition to positive psychological effects. Our goal was to examine and compare university freshmen with differing sporting habits, so we measured athletes who are competitors (1), regularly active but non-competitor athletes (2) and inactive students (3). Material and methods. We conducted a cross-sectional study among volunteer university freshmen (mean age 18.98 years) from the Faculty of Health Sciences, University of Pécs (Hungary) (n=109). We used self-edited sociodemographic and sporting habits questions and validated, standardized paper-and-pencil tests: Spielberger State Trait Anxiety Inventory, the Mindfulness Attention and Awareness Scale, and the Buss and Perry's Aggression Questionnaire. Results. Using an independent sample T-test, we found that athletes who are competitors (1) showed significantly higher dispositional mindfulness levels (t=-2.050; p=.043) and significantly lower anxiety levels (t=3.370; p=.001) than the inactive group (3). Considering trait aggression, we found significant difference only in the subscale anger among those students who practice sport regularly and those who are inactive (p=.050, Z=-1.933). The trait aggression total score did not exhibit a relationship with sporting activity in our sample. Conclusions. Intensive and regular physical activity facilitates psychological factors which support individual well-being.

(1) Background: In this study, sport and subjective psychological well-being is investigated in three waves of the COVID-19 pandemic. (2) Methods: We have conducted three different representative sample surveys (n = 3600 altogether) on the Hungarian adult population and investigated the sample’s subjective psychological well-being with the WHO-5 Well-Being Index, as well as changes in their subjective well-being through the different waves of the pandemic. Sporting habits and socio-economic variables were also surveyed, and OLS regression models were created focused on the WHO-5 measures. (3) Results: The subjective psychological well-being of the Hungarian adult population decreased significantly, but in the second and third wave of pandemic restrictions, an increase in subjective psychological well-being has been measured. The relationships between the time spent on doing sports and subjective psychological well-being were significant in each pandemic waves. The highest subjective psychological well-being and its highest increase were reported by those who could increase their time spent on doing sports as well. (4) Conclusions: The relationships between the sports activities, physical health, size of settlement, changes in income and subjective psychological well-being of the Hungarian adult population were significant in all three waves of the COVID-19 pandemic.