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1.
  • De Bourdeaudhuij, I., et al. (författare)
  • Behavioural effects of a community-oriented setting-based intervention for prevention of childhood obesity in eight European countries. Main results from the IDEFICS study
  • 2015
  • Ingår i: Obesity Reviews. - : Wiley. - 1467-7881 .- 1467-789X. ; 16:Suppl. 2, s. 30-40
  • Tidskriftsartikel (refereegranskat)abstract
    • ObjectiveThe objective of this paper is to evaluate the behavioural effects, as reported by the parents of the participating boys and girls, of the IDEFICS (Identification and prevention of Dietary- and lifestyle-induced health EFfects In Children and infantS) intervention. MethodsThe effectiveness of the IDEFICS intervention was evaluated through a cluster-controlled trial in eight European countries (control and intervention communities in each country) including more than 16,000 children. The 2- to 9.9-year-old children in the intervention group were exposed to a culturally adapted intervention that aimed to prevent childhood obesity through the community, schools/kindergartens and family. Parents completed questionnaires to measure water, soft drink and fruit juice intake; fruit and vegetable intake; daily TV viewing and other sedentary behaviours; daily physical activity levels and strengthening of the parent-child relationships at baseline and follow-up (2years later). Mixed models with an additional random effect for country were used to account for the clustered study design, and results were stratified by sex. ResultsThe pan-European analysis revealed no significant time by condition interaction effects, neither for boys nor girls, i.e. the analysis revealed no intervention effects on the behaviours of the IDEFICS children as reported by their parents (F=0.0 to 3.3, all p>0.05). Also very few significances were found in the country-specific analyses. Positive intervention effects were only found for sport club participation in Swedish boys, for screen time in weekends for Spanish boys and for TV viewing in Belgian girls. ConclusionAlthough no expected intervention effects as reported by the parents on diet, physical activity and sedentary behaviours could be shown for the overall IDEFICS cohort, a few favourable intervention effects were found on specific behaviours in some individual countries. More in-depth analyses of the process evaluation data are needed to obtain more insight into the relationship between the level of exposure to the intervention and its effect. (c) 2015 World Obesity
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2.
  • De Henauw, S, et al. (författare)
  • The IDEFICS community-oriented intervention programme: a new model for childhood obesity prevention in Europe?
  • 2011
  • Ingår i: International journal of obesity. - : Springer Science and Business Media LLC. - 1476-5497 .- 0307-0565. ; 35:Suppl 1, s. S16-23
  • Tidskriftsartikel (refereegranskat)abstract
    • The European Union-as well as other parts of the world-faces a major challenge of increasing incidence of overweight/obesity. In particular, the increase in childhood obesity gives rise to a strong imperative for immediate action. Yet, little is known about the effectiveness of community interventions, and further research in this field is needed. There is, however, a growing consensus that such research should start from the paradigm that the current living environments tend to counteract healthy lifestyles. Questioning these environments thoroughly can help to develop new pathways for sustainable health-promoting communities. Against this background, the IDEFICS (Identification and prevention of dietary- and lifestyle-induced health effects in children and infants) study developed and implemented innovative community-oriented intervention programmes for obesity prevention and healthy lifestyle primarily in children aged 2-10 years in eight European countries: Sweden, Estonia, Germany, Belgium, Hungary, Italy, Spain and Cyprus.
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3.
  • Gwozdz, W., et al. (författare)
  • Peer effects on obesity in a sample of European children
  • 2015
  • Ingår i: Economics & Human Biology. - : Elsevier BV. - 1570-677X .- 1873-6130. ; 18, s. 139-152
  • Tidskriftsartikel (refereegranskat)abstract
    • This study analyzes peer effects on childhood obesity using data from the first two waves of the IDEFICS study, which applies several anthropometric and other measures of fatness to approximately 14,000 children aged two to nine participating in both waves in 16 regions of eight European countries. Peers are defined as same-sex children in the same school and age group. The results show that peer effects do exist in this European sample but that they differ among both regions and different fatness measures. Peer effects are larger in Spain, Italy, and Cyprus - the more collectivist regions in our sample - while waist circumference generally gives rise to larger peer effects than BMI. We also provide evidence that parental misperceptions of their own children's weight goes hand in hand With fatter peer groups, supporting the notion that in making such assessments, parents compare their children's weight with that of friends and schoolmates.
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4.
  • Konstabel, K, et al. (författare)
  • Objectively measured physical activity in European children: the IDEFICS study.
  • 2014
  • Ingår i: International journal of obesity (2005). - : Springer Science and Business Media LLC. - 1476-5497 .- 0307-0565. ; 38 Suppl 2, s. S135-43
  • Tidskriftsartikel (refereegranskat)abstract
    • To provide sex- and age-specific percentile values for levels of physical activity (PA) and sedentary time of European children aged 2.0-10.9 years from eight European countries (Sweden, Germany, Hungary, Italy, Cyprus, Spain, Belgium and Estonia).
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5.
  • Kovács, E, et al. (författare)
  • Adherence to the obesity-related lifestyle intervention targets in the IDEFICS study.
  • 2014
  • Ingår i: International journal of obesity (2005). - : Springer Science and Business Media LLC. - 1476-5497 .- 0307-0565. ; 38 Suppl 2, s. S144-51
  • Tidskriftsartikel (refereegranskat)abstract
    • To address behaviours associated with childhood obesity, certain target values are recommended that should be met to improve children's health. In the IDEFICS (Identification and prevention of Dietary- and lifestyle-induced health Effects in Children and infantS) study such lifestyle recommendations were conveyed as six key messages. Here, we investigate the adherence of European children to these messages.
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6.
  • Michels, N., et al. (författare)
  • Effect of the IDEFICS multilevel obesity prevention on children's sleep duration
  • 2015
  • Ingår i: Obesity Reviews. - : Wiley. - 1467-7881 .- 1467-789X. ; 16:Suppl. 2, s. 68-77
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundAccording to recent findings, short sleep duration is associated with overweight in children. However, primary prevention efforts aimed at achieving adequate sleep among children are scarce. Therefore, the Identification and prevention of Dietary-induced and lifestyle-induced health EFfects In Children and infantS' (IDEFICS) study implemented a multilevel intervention that included sleep duration as a key behavioural target. The aim of this study is to evaluate sleep duration among children participating in the IDEFICS study. MethodsThe IDEFICS nocturnal sleep intervention was included as part of stress reduction educational messages aimed at parents and children. Sleep was assessed by a parental 24-h recall (only weekdays; n=8,543) and by a diary (weekdays and weekends separately; n=4,150). Mixed linear models tested the intervention effect on sleep duration change between baseline when children were 2-9.9years of age (2007/2008) and follow-up (2009/2010). Logistic mix models were used to study the intervention effect on the presence of TV in the children's bedroom (one of the intervention messages; n=8,668). Additionally, parents provided qualitative data regarding exposure to the intervention. ResultsAbout 51.1% of the parents in the intervention regions reported awareness of the sleep intervention. A small intervention effect was seen on weeknight sleep duration in that the decrease in sleep duration over 2years was smaller in the intervention (15min) as compared with control regions (19min) (p=0.044). There was no overall intervention effect on weekend sleep duration or on the presence of a TV in the bedroom. A small significant time effect between baseline and follow-up was found on bedroom TV presence depending on self-reported intervention exposure (3% increase in TV presence in exposed versus 6.6% increase in non-exposed). Children without a TV in the bedroom had longer nocturnal sleep duration. DiscussionThe sleep component of the intervention did not lead to clinically relevant changes in sleep duration. Future interventions aimed at young children's sleep duration could benefit from more specific and intense messaging than that found in the IDEFICS intervention. Future research should use objective measures of sleep duration as well as intermediate outcomes (sleep knowledge, sleep environment and sleep practices).
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7.
  • Vanaelst, B, et al. (författare)
  • Prevalence of negative life events and chronic adversities in European pre- and primary-school children: results from the IDEFICS study.
  • 2012
  • Ingår i: Archives of Public Health. - : Springer Science and Business Media LLC. - 0778-7367 .- 2049-3258. ; 70:22, s. 1-26
  • Tidskriftsartikel (refereegranskat)abstract
    • Abstract ABSTRACT: BACKGROUND: Children are not always recognized as being susceptible to stress, although childhood stressors may originate from multiple events in their everyday surroundings with negative effects on children's health. METHODS: As there is a lack of large-scale, European prevalence data on childhood adversities, this study presents the prevalence of (1) negative life events and (2) familial and social adversities in 4637 European pre- and primary-school children (4--11 years old), using a parentally-reported questionnaire embedded in the IDEFICS project ('Identification and prevention of Dietary- and lifestyle-induced health EFfects In Children and infantS'). RESULTS: The following findings were observed: (1) Certain adversities occur only rarely, while others are very regular (i.e. parental divorce); (2) A large percentage of children is shielded from stressors, while a small group of children is exposed to multiple, accumulating adversities; (3) The prevalence of childhood adversity is influenced by geographical location (e.g. north versus south), age group and sex; (4) Childhood adversities are associated and co-occur, resulting in potential cumulative childhood stress. CONCLUSIONS: This study demonstrated the importance of not only studying traumatic events but also of focusing on the early familial and social environment in childhood stress research and indicated the importance of recording or monitoring childhood adversities.
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8.
  • Verbestel, V., et al. (författare)
  • Effectiveness of the IDEFICS intervention on objectively measured physical activity and sedentary time in European children
  • 2015
  • Ingår i: Obesity Reviews. - : Wiley. - 1467-7881 .- 1467-789X. ; 16:Suppl. 2, s. 57-67
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundThis paper reports on the effectiveness of the prevention of dietary- and lifestyle-induced health effects in children and infants (IDEFICS) intervention on objectively measured physical activity (PA) and sedentary time (ST) in 2- to 9.9-year-old European boys and girls. MethodsThe intervention was evaluated after 2years through a non-randomized cluster-controlled trial in eight European countries (one control and one intervention community per country). All children in the intervention group received a culturally adapted childhood obesity prevention programme through the community, schools/kindergartens and family. A random sub-sample of children participating in the IDEFICS study wore an accelerometer at baseline and follow-up for at least 3days (n=9,184). Of this sample, 81% provided valid accelerometer data at baseline (n=7,413; 51% boys; 6.211.76years; boys: 617170cpmday(-1); girls 556 +/- 156cpmday(-1)) and 3,010 children provided valid accelerometer data at baseline and during the follow-up survey 2years later. ResultsIn boys and girls, no significant differences in PA and ST were found between intervention and control groups over 2years. Strong temporal effects were found in the total sample of boys and girls: the percentage of time spent in light PA per day decreased by 4 percentage points in both boys and girls between baseline and follow-up (both: p<0.001), while time spent in ST per day increased by 4 percentage points in both sexes over time (both: p<0.001). Percentage of time spent in moderate-to-vigorous PA per day remained stable over time in boys and girls. ConclusionDespite the socio-ecological approach and implementation of a culturally adapted intervention in each country, no effects of the IDEFICS intervention were found on children's objectively measured PA and ST. Behavioural interventions for children may need to enhance specificity and intensity at the family level using other behaviour change techniques and more direct strategies to reach parents. (c) 2015 World Obesity
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9.
  • Zaqout, M., et al. (författare)
  • Influence of physical fitness on cardio-metabolic risk factors in European children. The IDEFICS study
  • 2016
  • Ingår i: International Journal of Obesity. - : Springer Science and Business Media LLC. - 0307-0565 .- 1476-5497. ; 40:7, s. 1119-1125
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: The aim of the study was to assess the associations of individual and combined physical fitness components with single and clustering of cardio-metabolic risk factors in children. SUBJECTS/METHODS: This 2-year longitudinal study included a total of 1635 European children aged 6-11 years. The test battery included cardio-respiratory fitness (20-m shuttle run test), upper-limb strength (handgrip test), lower-limb strength (standing long jump test), balance (flamingo test), flexibility (back-saver sit-and-reach) and speed (40-m sprint test). Metabolic risk was assessed through z-score standardization using four components: waist circumference, blood pressure (systolic and diastolic), blood lipids (triglycerides and high-density lipoprotein) and insulin resistance (homeostasis model assessment). Mixed model regression analyses were adjusted for sex, age, parental education, sugar and fat intake, and body mass index. RESULTS: Physical fitness was inversely associated with clustered metabolic risk (P<0.001). All coefficients showed a higher clustered metabolic risk with lower physical fitness, except for upper-limb strength (beta = 0.057; P = 0.002) where the opposite association was found. Cardio-respiratory fitness (beta = -0.124; P<0.001) and lower-limb strength (beta = -0.076; P = 0.002) were the most important longitudinal determinants. The effects of cardio-respiratory fitness were even independent of the amount of vigorous-to-moderate activity (beta = -0.059; P = 0.029). Among all the metabolic risk components, blood pressure seemed not well predicted by physical fitness, while waist circumference, blood lipids and insulin resistance all seemed significantly predicted by physical fitness. CONCLUSION: Poor physical fitness in children is associated with the development of cardio-metabolic risk factors. Based on our results, this risk might be modified by improving mainly cardio-respiratory fitness and lower-limb muscular strength.
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