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Objective: To explore predictors of dropout of patients with chronic musculoskeletal pain from an interdisciplinary chronic pain management programme, and to develop and validate a multivariable prediction model, based on the Extended Common- Sense Model of Self-Regulation (E-CSM). Methods: In this prospective cohort study consecutive patients with chronic pain were recruited and followed up (July 2013 to May 2015). Possible associations between predictors and dropout were explored by univariate logistic regression analyses. Subsequently, multiple logistic regression analyses were executed to determine the model that best predicted dropout. Results: Of 188 patients who initiated treatment, 35 (19%) were classified as dropouts. The mean age of the dropout group was 47.9 years (standard deviation 9.9). Based on the univariate logistic regression analyses 7 predictors of the 18 potential predictors for dropout were eligible for entry into the multiple logistic regression analyses. Finally, only pain catastrophizing was identified as a significant predictor. Conclusion: Patients with chronic pain who catastrophize were more prone to dropout from this chronic pain management programme. However, due to the exploratory nature of this study no firm conclusions can be drawn about the predictive value of the E-CSM of Self-Regulation for dropout.
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In welke werelden bewegen jongeren zich? Waar hechten zij waarde aan? Wat betekenen sociale media voor hen en hoe maken zij er gebruik van? Leefwerelden van jongeren gaat over het dagelijkse leven van jongeren: thuis, op school, met hun vrienden en als grootgebruikers van media en digitale cultuur. Het boek is geschreven vanuit het perspectief van jongeren, zichtbaar gemaakt via voorbeelden en illustraties uit (inter)nationaal wetenschappelijk onderzoek, berichtgeving in de (sociale) media en websites. Het eerste deel van het boek gaat over het leven van jongeren thuis. Hierbij wordt ingegaan op de rol van het gezin, vriendschappen, jeugdcultuur, uiterlijk, seks en liefde. Het tweede deel beschrijft het leven op school, een plek waar alle jongeren naartoe gaan en jongeren met andere achtergronden tegenkomen. In deel drie staat de rol van media en de digitale cultuur centraal. Hier gaat het over hoe jongeren hun levens vormgeven met behulp van ‘nieuwe’ en ‘oude’ media; en hoe die media onderwerp en aanstichter zijn van mythevorming en morele paniek over jongeren.
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Met het groeien van de paardensector groeit ook de aandacht voor duurzaamheid in de paardenhouderij. Bij Hogeschool Van Hall Larenstein in Velp is een tweejarig postdoctoraal onderzoek gestart dat zich richt op paardenvoermanagement met minimale milieu-impact. Een footprint-calculator gaat paardeneigenaren helpen duurzame keuzes te maken. Het onderzoek staat onder leiding van senior docent en onderzoeker Dr. Vet. Med. Gulsah Kaya-Karasu. De resultaten zijn over twee jaar toegankelijk voor iedereen in de paardensector.
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Background. One of the stakeholders in tackling the rise and health consequences of overweight and obesity is the general practice physician (GP). GPs are in a good position to inform and give nutrition guidance to overweight patients. Objective. Assessment of working mechanism of determinants of the nutrition guidance practice: noticing patients’ overweight and guidance of treatment by GPs [linear analysis of structural relations (LISREL) path model] in a longitudinal study. Methods. This longitudinal study measured data in 1992, 1997 and 2007. The 1992 LISREL path model (Hiddink GJ, Hautvast J, vanWoerkumCMJ, Fieren CJ, vantHofMA. Nutrition guidance by primary-care physicians: LISREL analysis improves understanding. Prev Med 1997; 26: 29–36.) demonstrated that ‘noticing patients’ overweight and guidance of treatment’ was directly and indirectly influenced by predisposing factors, driving forces and perceived barriers. This article defines and discusses the path analysis of the 2007 data (compared with 1997). Results. This analysis shows both similarity and differences inworking mechanism of determinants of noticing patients’ overweight and guidance of treatment between 1997 and 2007. The backbone of themechanism with four predisposing factors is the similarity. The number of driving forces and of paths through intermediary factors to the dependent variable constitutes the difference. Conclusions. The backbone of the working mechanism of determinants of the nutrition guidance practice: noticing patients’ overweight and guidance of treatment by GPs was similar in 2007 and 1997. The influence of GPs task perception on noticing patients’ overweight and guidance of treatment considerably increased in 2007 compared to 1997. The longitudinal character of this article gives a strong practice-based evidence for weight management by GPs.
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Validity and Reproducibility of a New Treadmill Protocol: The Fitkids Treadmill Test. Med. Sci. Sports Exerc., Vol. 47, No. 10, pp. 2241–2247, 2015. Purpose: This study aimed to investigate the validity and reproducibility of a new treadmill protocol in healthy children and adolescents: the Fitkids Treadmill Test (FTT). Methods: Sixty-eight healthy children and adolescents (6–18 yr) were randomly divided into a validity group (14 boys and 20 girls; mean T SD age, 12.9 T 3.6 yr) that performed the FTT and Bruce protocol, both with respiratory gas analysis within 2 wk, and a reproducibility group (19 boys and 15 girls; mean T SD age, 13.5 T 3.5 yr) that performed the FTT twice within 2 wk. A subgroup of 21 participants within the reproducibility group performed both FTT with respiratory gas analysis. Time to exhaustion (TTE) was the main outcome of the FTT. Results: V˙ O2peak measured during the FTT showed excellent correlation with V˙ O2peak measured during the Bruce protocol (r = 0.90; P G 0.01). Backward multiple regression analysis provided the following prediction equations for V˙ O2peak (LIminj1) for boys and girls, respectively: V˙ O2peak FTT ¼ j0:748 þ ð0:117 TTEFTTÞ þ ð0:032 bodymassÞ þ 0:263, and V˙ O2peak FTT ¼ j0:748 þ ð0:117 TTEFTTÞ þ ð0:032 bodymassÞ [R2 ¼ 0:935; SEE ¼ 0:256LI min j1]. Cross-validation of the regression model showed an R2 value of 0.76. Reliability statistics for the FTT showed an intraclass correlation coefficient of 0.985 (95% confidence interval, 0.971–0.993; P G 0.001) for TTE. Bland–Altman analysis showed a mean bias of j0.07 min, with limits of agreement between +1.30 and j1.43 min. Conclusions: Results suggest that the FTT is a useful treadmill protocol with good validity and reproducibility in healthy children and adolescents. Exercise performance on the FTT and body mass can be used to adequately predict V˙ O2peak when respiratory gas analysis is not available.
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Background: Online contacts with a health professional have the potential to support family caregivers of people with dementia. Objective: The goal of the research was to study the effects of an online self-management support intervention in helping family caregivers deal with behavior changes of a relative with dementia. The intervention—involving among others personal email contacts with a dementia nurse—was compared with online interventions without these email contacts. Methods: A randomized controlled trial was conducted with 81 family caregivers of people with dementia who live at home. Participants were randomly assigned to a (1) major self-management support intervention consisting of personal email contacts with a specialist dementia nurse, online videos, and e-bulletins; (2) medium intervention consisting only of online videos and e-bulletins; or (3) minor intervention consisting of only the e-bulletins. The primary outcome was family caregivers’ self-efficacy in dealing with behavior changes of the relative with dementia. Secondary outcomes were family caregivers’ reports of behavior problems in the people with dementia and the quality of the relationship between the family caregiver and the person with dementia. Measurements were performed at the baseline and at 6 (T1) and 12 weeks (T2) after the baseline. A mixed-model analysis was conducted to compare the outcomes of the 3 intervention arms. Results: Family caregivers participating in the major intervention involving email contacts showed no statistically significant differences in self-efficacy after the intervention compared with the minor intervention involving only e-bulletins (difference –0.02, P=.99). In the adjusted analysis, the medium intervention (involving videos and e-bulletins) showed a negative trend over http://www.jmir.org/2020/2/e13001/ J Med Internet Res 2020 | vol. 22 | iss. 2 | e13001 | p. 1 (page number not for citation purposes) JOURNAL OF MEDICAL INTERNET RESEARCH Huis in het Veld et al XSL•FO RenderX time (difference –4.21, P=.09) and at T1 (difference –4.71, P=.07) compared with the minor intervention involving only e-bulletins. No statistical differences were found between the intervention arms in terms of the reported behavior problems and the quality of the relationship between the family caregiver and the person with dementia. Conclusions: The expectation that an online self-management support intervention involving email contacts would lead to positive effects and be more effective than online interventions without personal email contacts was not borne out. One explanation might be related to the fact that not all family caregivers who were assigned to that intervention actually made use of the opportunity for personal email contact. The online videos were also not always viewed. To obtain more definite conclusions, future research involving extra efforts to reach higher use rates is required.
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InleidingBlessures zijn een groot probleem voor hardlopers. Zo raakt jaarlijks 64% van de midden-lange afstandslopers, 32% van de lange afstandslopers en 52% van de marathonlopers geblesseerd (1). Blessures veroorzaken niet alleen persoonlijk leed, maar hierdoor kunnen hardlopers ook niet (goed) trainen om hun prestatiedoel te bereiken. Daarom is het van groot belang om te bepalen wat de risicofactoren zijn om een blessure te krijgen. Een van de risicofactoren waar sporters en coaches zelf invloed op hebben is de trainingsbelasting (2). Daarom is in deze studie onderzocht of er patronen zijn in de trainingsbelasting die voorafgaan aan een blessure. Daarnaast is uitgezocht in hoeverre de blessures te voorspellen zijn op basis van deze patronen. MethodeDe trainingsbelasting en blessures van 23 hardlopers is twee jaar lang bijgehouden. Deze gegevens zijn met verschillende datamining technieken onderzocht om patronen te herkennen. Er is gekozen om dagelijkse acute trainingsbelasting (over 7 dagen) te delen door dagelijkse chronische trainingsbelasting (over 28 dagen), genaamd acute:chronic ratio (2). Dit is per hardloper over 720 dagen bepaald. Daarbij is specifiek gekeken naar het patroon van verandering in acute:chronic ratio over vier weken voorafgaand aan elke blessure. ResultatenDe resultaten laten zien dat de hardlopers twee weken voorafgaand aan een blessure hun acute:chronic ratio met gemiddeld 11,5% verhoogden ten opzichte van de twee weken daarvoor. Met deze verhoging van 11,5% is het relatieve risico op een blessure significant verhoogd met 9,4. De sensitiviteit van voorspellingen is 0,51 en de specificiteit is 0,94.DiscussieDit betekent dat een toename van 11,5% of meer in trainingsbelasting gedurende twee weken een verhoogde kans geeft op blessures bij hardlopers. Ondanks het verhoogde risico is de voorspelling van een blessure nog niet goed mogelijk met alleen trainingsgegevens. Toch kunnen hardlopers het risico op blessures misschien verkleinen door individueel goed te kijken naar verhogingen in trainingsbelasting.(1) Kluitenberg B et al. (2015) What are the Differences in Injury Proportions Between Different Populations of Runners? A Systematic Review and Meta-Analysis. Sport Med. 45(8):1143–61.(2) Gabbett, TJ. (2016) The training-injury prevention paradox: should athletes be training smarter and harder?. Br J Sports Med, bjsports-2015.
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Abstract: Background: Chronic obstructive pulmonary disease (COPD) and asthma have a high prevalence and disease burden. Blended self-management interventions, which combine eHealth with face-to-face interventions, can help reduce the disease burden. Objective: This systematic review and meta-analysis aims to examine the effectiveness of blended self-management interventions on health-related effectiveness and process outcomes for people with COPD or asthma. Methods: PubMed, Web of Science, COCHRANE Library, Emcare, and Embase were searched in December 2018 and updated in November 2020. Study quality was assessed using the Cochrane risk of bias (ROB) 2 tool and the Grading of Recommendations, Assessment, Development, and Evaluation. Results: A total of 15 COPD and 7 asthma randomized controlled trials were included in this study. The meta-analysis of COPD studies found that the blended intervention showed a small improvement in exercise capacity (standardized mean difference [SMD] 0.48; 95% CI 0.10-0.85) and a significant improvement in the quality of life (QoL; SMD 0.81; 95% CI 0.11-1.51). Blended intervention also reduced the admission rate (relative ratio [RR] 0.61; 95% CI 0.38-0.97). In the COPD systematic review, regarding the exacerbation frequency, both studies found that the intervention reduced exacerbation frequency (RR 0.38; 95% CI 0.26-0.56). A large effect was found on BMI (d=0.81; 95% CI 0.25-1.34); however, the effect was inconclusive because only 1 study was included. Regarding medication adherence, 2 of 3 studies found a moderate effect (d=0.73; 95% CI 0.50-0.96), and 1 study reported a mixed effect. Regarding self-management ability, 1 study reported a large effect (d=1.15; 95% CI 0.66-1.62), and no effect was reported in that study. No effect was found on other process outcomes. The meta-analysis of asthma studies found that blended intervention had a small improvement in lung function (SMD 0.40; 95% CI 0.18-0.62) and QoL (SMD 0.36; 95% CI 0.21-0.50) and a moderate improvement in asthma control (SMD 0.67; 95% CI 0.40-0.93). A large effect was found on BMI (d=1.42; 95% CI 0.28-2.42) and exercise capacity (d=1.50; 95% CI 0.35-2.50); however, 1 study was included per outcome. There was no effect on other outcomes. Furthermore, the majority of the 22 studies showed some concerns about the ROB, and the quality of evidence varied. Conclusions: In patients with COPD, the blended self-management interventions had mixed effects on health-related outcomes, with the strongest evidence found for exercise capacity, QoL, and admission rate. Furthermore, the review suggested that the interventions resulted in small effects on lung function and QoL and a moderate effect on asthma control in patients with asthma. There is some evidence for the effectiveness of blended self-management interventions for patients with COPD and asthma; however, more research is needed. Trial Registration: PROSPERO International Prospective Register of Systematic Reviews CRD42019119894; https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=119894
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Objectives: Promoting unstructured outside play is a promising vehicle to increase children’s physical activity (PA). This study investigates if factors of the social environment moderate the relationship between the perceived physical environment and outside play. Study design: 1875 parents from the KOALA Birth Cohort Study reported on their child’s outside play around age five years, and 1516 parents around age seven years. Linear mixed model analyses were performed to evaluate (moderating) relationships among factors of the social environment (parenting influences and social capital), the perceived physical environment, and outside play at age five and seven. Season was entered as a random factor in these analyses. Results: Accessibility of PA facilities, positive parental attitude towards PA and social capital were associated with more outside play, while parental concern and restriction of screen time were related with less outside play. We found two significant interactions; both involving parent perceived responsibility towards child PA participation. Conclusion: Although we found a limited number of interactions, this study demonstrated that the impact of the perceived physical environment may differ across levels of parent responsibility.
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