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- Bonn, S. E, et al.
(författare)
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Feasibility of a novel web-based physical activity questionnaire for young children
- 2012
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Ingår i: Pediatric Reports. - : MDPI AG. - 2036-749X .- 2036-7503. ; 4:4
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Tidskriftsartikel (refereegranskat)abstract
- Accurate assessment of children's physical activity is critical in determining associations between childhood physical activity and health later in life. We have developed a web-based questionnaire, KidActive-Q, to assess physical activity in early childhood. The feasibility and reproducibility of KidActive-Q were assessed in a sample of 20 children aged 2 to 6 years. The questionnaire was distributed to parents via e-mail on two occasions. The median time required to complete KidActive-Q was 2.5 minutes. All the parents reported that the questionnaire was easy or very easy to fill. The intraclass correlations for test-retest reliability were 0.60 (95% confidence interval: 0.31-0.88) for daily time spent outdoors, and 0.85 (95% confidence interval: 0.72-0.97) for daily time watching television. Our results suggest that KidActive-Q is a user-friendly tool for assessing physical activity in early childhood. To our knowledge, this is the first web-based questionnaire specifically developed for young children.
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- Cnattingius, S., et al.
(författare)
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High birth weight and obesity : a vicious circle across generations
- 2012
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Ingår i: International Journal of Obesity. - : Springer Science and Business Media LLC. - 0307-0565 .- 1476-5497. ; 36:10, s. 1320-1324
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: Rates of high birth weight infants, overweight and obese children and adults are increasing. The associations between birth weight and adult weight may have consequences for the obesity epidemic across generations. We examined the association between mothers' birth weight for gestational age and adult body mass index (BMI) and these factors' joint effect on risk of having a large-for-gestational-age (LGA) offspring (>+2 s.d. above the mean). DESIGN: A cohort of 162 676 mothers and their first-born offspring with birth information recorded on mothers and offspring in the nation-wide Swedish Medical Birth Register 1973-2006. RESULTS: Compared with mothers with appropriate birth weight for gestational age (AGA; -1 to +1 s.d.), mothers born LGA had increased risks of overweight (BMI 25.0-29.9; odds ratio (OR), 1.50; 95% CI 1.39-1.61), obesity class I (BMI 30.0-34.9; OR 1.77; 95% CI 1.59-1.98), obesity class II (BMI 35.0-39.9; OR 2.77; 95% CI 2.37-3.24) and obesity class III (BMI >= 40.0; OR 2.04; 95% CI 1.49-2.80). In each stratum of mother's birth weight for gestational age, risk of having an LGA offspring increased with mother's BMI. The risk of an LGA offspring was highest among women with a high (>= 30) BMI who also had a high birth weight for gestational age (>+1 s.d.). In these groups, the ORs for LGA offspring ranged from 5 to 14 when compared with mothers born AGA with normal BMI (<= 24.9). However, the strongest increase in risk by BMI was seen among mothers born SGA: the OR of having an LGA offspring was 13 times as high among SGA mothers with BMI >= 35.0 compared with the OR among SGA mothers with normal BMI (ORs = 4.61 and 0.35, respectively). CONCLUSIONS: Prenatal conditions are important for the obesity epidemic. Prevention of LGA births may contribute to curtail the intergenerational vicious cycle of obesity.
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- Jansson, Jan-Håkan, et al.
(författare)
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Snus (Swedish smokeless tobacco) use and risk of stroke: pooled analyses of incidence and survival
- 2014
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Ingår i: Journal of Internal Medicine. - : Wiley. - 1365-2796 .- 0954-6820. ; 276:1, s. 87-95
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Tidskriftsartikel (refereegranskat)abstract
- Background. Snus is a moist smokeless tobacco product with high nicotine content. Its use has a short-term effect on the cardiovascular system, but the relationship between snus use and stroke is unclear. Objective. The aim of this study was to assess the associations between use of snus and incidence of and survival after stroke, both overall and according to subtypes. Methods. Pooled analyses of eight Swedish prospective cohort studies were conducted, including 130 485 men who never smoked. We estimated hazard ratios (HRs) with 95% confidence intervals (CIs) of incidence and death after diagnosis using Cox proportional hazard regression models and case fatality and survival using logistic regression and Kaplan-Meier methods, respectively. Results. No associations were observed between the use of snus and the risk of overall stroke (HR 1.04, 95% CI 0.92-1.17) or of any of the stroke subtypes. The odds ratio (OR) of 28-day case fatality was 1.42 (95% CI 0.99-2.04) amongst users of snus who had experienced a stroke, and the HR of death during the follow-up period was 1.32 (95% CI 1.08-1.61). Conclusion. Use of snus was not associated with the risk of stroke. Hence, nicotine is unlikely to contribute importantly to the pathophysiology of stroke. However, case fatality was increased in snus users, compared with nonusers, but further studies are needed to determine any possible causal mechanisms.
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- Ludvigsson, J. F., et al.
(författare)
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Barna Hedenhös äter farligt
- 2013
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Ingår i: Läkartidningen. - 0023-7205 .- 1652-7518. ; 110:51-52
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Tidskriftsartikel (refereegranskat)
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