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Sökning: WFRF:(Emtner Margareta)

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1.
  • Ahlström, Isabell, et al. (författare)
  • Reliability of the Swedish version of the Exercise Self-Efficacy Scale (S-ESES) : a test-retest study in adults with neurological disease
  • 2015
  • Ingår i: Physiotherapy Theory and Practice. - : Informa UK Limited. - 0959-3985 .- 1532-5040. ; 31:3, s. 194-199
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To examine the test-retest reliability of the Swedish translated version of the Exercise Self-Efficacy Scale (S-ESES) in people with neurological disease and to examine internal consistency. Design: Test-retest study.Subjects: A total of 30 adults with neurological diseases including: Parkinson's disease; Multiple Sclerosis; Cervical Dystonia; and Charcot Marie Tooth disease.Method: The S-ESES was sent twice by surface mail. Completion interval mean was 16 days apart. Weighted kappa, intraclass correlation coefficient 2,1 [ICC (2,1)], standard error of measurement (SEM), also expressed as a percentage value (SEM%), and Cronbach's alpha were calculated.Results: The relative reliability of the test-retest results showed substantial agreement measured using weighted kappa (MD = 0.62) and a very high-reliability ICC (2,1) (0.92). Absolute reliability measured using SEM was 5.3 and SEM% was 20.7. Excellent internal consistency was shown, with an alpha coefficient of 0.91 (test 1) and 0.93 (test 2).Conclusion: The S-ESES is recommended for use in research and in clinical work for people with neurological diseases. The low-absolute reliability, however, indicates a limited ability to measure changes on an individual level.
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3.
  • Andersson, Mikael, et al. (författare)
  • Accuracy of three activity monitors in patients with chronic obstructive pulmonary disease : A comparison with video recordings
  • 2014
  • Ingår i: COPD. - : Informa UK Limited. - 1541-2555 .- 1541-2563. ; 11:5, s. 560-567
  • Tidskriftsartikel (refereegranskat)abstract
    • Low physical activity and sedentary behaviour characterise the lives of patients with chronic obstructive pulmonary disease (COPD). Using activity monitors, assessment of both aspects are possible, but many outcomes are not well validated. The aim of this study was to assess the accuracy and equivalency of three activity monitors regarding steps, body position and their ability to differentiate between periods of physical activity and inactivity.Fifteen patients with COPD (8 females; median (interquartile range, IQR) age, 64 (59-69) years; forced expiratory volume in one second, 37 (28-48) % predicted; six-minute walk distance, 444 (410-519) m) were enrolled. The DynaPort ADL-monitor, the DynaPort MiniMod monitor and the SenseWear Armband Pro 3 monitor were assessed. Subjects performed a structured protocol alternating physical activity and inactivity while simultaneously wearing all three monitors and being video recorded. The mean difference (limits of agreement) in step count from monitors compared to manual step count was -69 (-443 to 305) for the ADL-monitor, -19 (-141 to 103) for the MiniMod and -479 (-855 to -103) for the SenseWear Armband. Compared to the video, the sitting time was 97 (94-100) % when measured by the ADL-monitor and 121 (110-139) % by the MiniMod. Standing time was 114 (107-122) % when measured by the ADL-monitor and 68 (47-106) % by the MiniMod. Activity monitors are not equivalent in their abilities to detect steps or body positions. The choice of monitor should be based on the particular outcome of interest. 
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4.
  • Andersson, Mikael, 1979- (författare)
  • Assessing Physical Activity and Physical Capacity in Subjects with Chronic Obstructive Pulmonary Disease
  • 2014
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • The overall aim of this thesis was to assess measurement properties of methods suitable for screening or monitoring of physical capacity and physical activity in subjects with chronic obstructive pulmonary disease (COPD), and to explore factors associated with physical activity levels.Methods: Four observational studies were conducted. Participants in studies I-III (sample sizes) (n=49, n=15, n=73) were recruited from specialist clinics, and in study IV from a population-based cohort (COPD n=470 and Non-COPD n=659). Psychometric properties of methods assessing physical capacity (study I) and physical activity (study II) were investigated in laboratory settings. Daily physical activity and clinical characteristics were assessed with objective methods (study III) and with subjective methods (study IV).Results: Physical capacity as measured by walking speed during a 30-metre walk test displayed high test-retest correlations (ICC>0.87) and small measurement error. The accuracy for step count and body positions differed between activity monitors and direct observations. In study III 92% of subjects had an activity level below what is recommended in guidelines. Forty five percent of subjects’ activity could be accounted for by clinical characteristics with lung function (22.5%), walking speed (10.1%), quadriceps strength (7.0%) and fat-free mass index (3.0%) being significant predictors. In study IV, low physical activity was significantly more prevalent in COPD subjects from GOLD grade ≥II than among Non-COPD subjects (22.4 vs. 14.6%, p = 0.016). The strongest factors associated with low activity in COPD subjects were a history of heart disease, OR (CI 95%) 2.11 (1.10-4.08) and fatigue, OR 2.33 (1.31-4.13) while obesity was the only significant factor in Non-COPD subjects, OR 2.26 (1.17-4.35).Conclusion: The 30 meter walk test and activity monitors are useful when assessing physical capacity and physical activity, respectively in patients with COPD. Impaired physical activity in severe COPD is related to low lung function, low walking speed, low muscle strength and altered body composition, whereas comorbidities and fatigue are linked to insufficient physical activity in patients with moderately severe COPD.
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5.
  • Andersson, Mikael, et al. (författare)
  • Measuring walking speed in COPD: test-retest reliability of the 30-metre walk test and comparison with the 6-minute walk test
  • 2011
  • Ingår i: Primary Care Respiratory Journal. - : Springer Science and Business Media LLC. - 1471-4418 .- 1475-1534. ; 20:4, s. 434-440
  • Tidskriftsartikel (refereegranskat)abstract
    • Aims: To examine test-retest reliability of the 30-metre walk test (30mWT) in patients with chronic obstructive pulmonary disease (COPD) and to compare the 30mWT with the 6-minute walk test (6MWT). Methods: Forty-nine subjects with stable COPD were included. The 30mWT consists of walking at different walking intensities over a distance of 30 metres - self-selected speed (ss-30mWT) and maximal speed (ms-30mWT). The test was conducted twice and the time to walk 30 metres was recorded. The 6MWT was performed in duplicate on the same day. Results: Test-retest reliability was high: intraclass correlation coefficient (ICC2.1) = 0.93 (95% CI 0.87 to 0.97) for maximal walking speed and 0.87 (95% CI 0.78 to 0.93) for self-selected walking speed. Both maximal and self-selected speed had a standard error of measurement (SEM) of 0.07 m/s and SEM% was 4.4 for maximal speed and 5.9 for self-selected speed. The correlation, criterion validity, between ms-30mWT and the 6MWT was r=0.78 (p<0.001). Heart rate, dyspnoea, exertion and oxygen saturation were more affected after the 6MWT than after the 30mWT (p<0.001). Conclusions: The 30mWT is a reliable submaximal test that is easy to perform and can be used to measure physical function (walking ability) in patients with COPD. It may be well suited for primary care settings. (C) 2011 Primary Care Respiratory Society UK. All rights reserved. M Andersson, et al. Prim Care Respir J 2011; 20(4): 434-440 http://dx.doi.org/10.4104/pcrj.2011.00082
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6.
  • Andersson, Mikael, et al. (författare)
  • Physical activity and fatigue in chronic obstructive pulmonary disease : A population based study
  • Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
    • IntroductionDyspnea with exertion and fatigue are the cardinal symptoms of chronic obstructive pulmonary disease (COPD); impaired muscle function and reduced exercise capacity are also frequently associated with COPD. We aimed to assess the physical activity levels, in a population based sample study, of subjects with and without COPD. We also aimed to investigate the factors associated with low physical activity in these groups.MethodsIn this study, 470 subjects with COPD (FEV1/FVC< 0.70) and 569 subjects without COPD (Non-COPD) were analyzed. Physical activity was assessed with the International Physical Activity Questionnaire (IPAQ). Fatigue was investigated with the Functional Assessment of Chronic Illness Therapy - Fatigue scale (FACIT-F). An interview questionnaire was used to record the sample characteristics and history of heart disease. Binary logistic regression was used to investigate the factors associated with low physical activity.ResultsLow physical activity was significantly more prevalent in GOLD grade ≥II COPD subjects, and this prevalence was higher than that for Non-COPD subjects (22.4 vs. 14.6%, p = 0.016). The strongest factors associated with low physical activity in COPD subjects were a history of heart disease, OR (CI 95%) 2.11 (1.10 - 4.08), and clinically significant fatigue, OR 2.33 (1.31 - 4.13); obesity was the only significant factor in Non-COPD subjects, OR 2.26 (1.17 – 4.35).ConclusionPhysical activity levels are reduced for COPD grade II and higher, and the factors associated with lower levels of physical activity are different for the COPD group compared to the Non-COPD group. We propose that measurements of fatigue and a history of heart disease are useful tools to include when screening subjects for pulmonary rehabilitation.
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7.
  • Andersson, Mikael, et al. (författare)
  • Physical activity and fatigue in chronic obstructive pulmonary disease - A population based study
  • 2015
  • Ingår i: Respiratory Medicine. - : Elsevier BV. - 0954-6111 .- 1532-3064. ; 109:8, s. 1048-1057
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: In subjects with chronic obstructive pulmonary disease (COPD), symptoms of fatigue, concomitant heart disease and low physical activity levels are more frequently described than in subjects without COPD. However, there are no population-based studies addressing the relationship between physical activity, fatigue and heart disease in COPD. The aim was to compare physical activity levels among subjects with and without COPD in a population based study, and to evaluate if concomitant heart disease and fatigue was associated to physical activity. Methods: In this, 470 subjects with COPD and 659 subjects without COPD (non-COPD) participated in examinations including structured interview and spirometry. A ratio of the forced expiratory volume in one second (FEV1)/best of forced vital capacity (FVC) and vital capacity (VC) <0.7 was used to define COPD. Physical activity was assessed with the International Physical Activity Questionnaire (IPAQ), and fatigue with the Functional Assessment of Chronic Illness Therapy - Fatigue scale (FACIT-F). Results: The prevalence of low physical activity was higher among subjects with FEV1 <80% predicted compared to non-COPD subjects (22.4% vs. 14.6%, p = 0.041). The factors most strongly associated with low physical activity in subjects with COPD were older age, OR 1.52, (95% CI 1.12-2.06), a history of heart disease, OR 2.11 (1.10-4.08), and clinically significant fatigue, OR 2.33 (1.31-4.13); while obesity was the only significant factor among non-COPD subjects, OR 2.26 (1.17-4.35). Conclusion: Physical activity levels are reduced when lung function is decreased below 80% of predicted, and the factors associated with low physical activity are different among subject with and without COPD. We propose that the presence of fatigue and heart disease are useful to evaluate when identifying subjects for pulmonary rehabilitation.
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8.
  • Andersson, Mikael, et al. (författare)
  • Physical activity level and its clinical correlates in chronic obstructive pulmonary disease : a cross-sectional study
  • 2013
  • Ingår i: Respiratory Research. - : Springer Science and Business Media LLC. - 1465-9921 .- 1465-993X. ; 14, s. 128-
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Decreased physical activity is associated with higher mortality in subjects with COPD. The aim of this study was to assess clinical characteristics and physical activity levels (PALs) in subjects with COPD. Methods: Seventy-three subjects with COPD (67 +/- 7 yrs, 44 female) with one-second forced expiratory volume percentage (FEV1%) predicted values of 43 +/- 16 were included. The ratio of total energy expenditure (TEE) and resting metabolic rate (RMR) was used to define the physical activity level (PAL) (PAL = TEE/RMR). TEE was assessed with an activity monitor (ActiReg), and RMR was measured by indirect calorimetry. Walking speed (measured over 30-meters), maximal quadriceps muscle strength, fat-free mass and systemic inflammation were measured as clinical characteristics. Hierarchical linear regression was applied to investigate the explanatory values of the clinical correlates to PAL. Results: The mean PAL was 1.47 +/- 0.19, and 92% of subjects were classified as physically very inactive or sedentary. The walking speed was 1.02 +/- 0.23 m/s, the quadriceps strength was 31.3 +/- 11.2 kg, and the fat-free mass index (FFMI) was 15.7 +/- 2.3 kg/m(2), identifying 42% of subjects as slow walkers, 21% as muscle-weak and 49% as FFM-depleted. The regression model explained 45.5% (p < 0.001) of the variance in PAL. The FEV1% predicted explained the largest proportion (22.5%), with further improvements in the model from walking speed (10.1%), muscle strength (7.0%) and FFMI (3.0%). Neither age, gender nor systemic inflammation contributed to the model. Conclusions: Apart from lung function, walking speed and muscle strength are important correlates of physical activity. Further explorations of the longitudinal effects of the factors characterizing the most inactive subjects are warranted.
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9.
  • Anens, Elisabeth, et al. (författare)
  • Exploratory Study of Physical Activity in Persons With Charcot-Marie-Tooth Disease
  • 2015
  • Ingår i: Archives of Physical Medicine and Rehabilitation. - : Elsevier BV. - 0003-9993 .- 1532-821X. ; 96:2, s. 260-268
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives: To explore and describe the perceived facilitators and barriers to physical activity, and to examine the physical activity correlates in people with Charcot-Marie-Tooth (CMT) disease. Design: Cross-sectional survey study. Setting: Community-living subjects. Participants: Swedish people with CMT disease (N=44; men, 54.5%; median age, 59.5y [interquartile range, 45.3-64.8y]). Interventions: Not applicable. Main Outcome Measures: The survey included open-ended questions and standardized self-reported scales measuring physical activity, fatigue, activity limitation, self-efficacy for physical activity, fall-related self-efficacy, social support, and enjoyment of physical activity. Physical activity was measured by the Physical Activity Disability Survey-Revised. Results: Qualitative content analysis revealed that personal factors such as fatigue, poor balance, muscle weakness, and pain were important barriers for physical activity behavior. Facilitators of physical activity were self-efficacy for physical activity, activity-related factors, and assistive devices. Multiple regression analysis showed that self-efficacy for physical activity (beta=.41) and fatigue (beta=-.30) explained 31.8% of the variation in physical activity (F-2,F-40=10.78, P=.000). Conclusions: Despite the well-known benefits of physical activity, physical activity in people with CMT disease is very sparsely studied. These new results contribute to the understanding of factors important for physical activity behavior in people with CMT disease and can guide health professionals to facilitate physical activity behavior in this group of patients. (C) 2015 by the American Congress of Rehabilitation Medicine
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10.
  • Anens, Elisabeth, et al. (författare)
  • Physical activity in subjects with multiple sclerosis with focus on gender differences : a survey
  • 2014
  • Ingår i: BMC Neurology. - : Springer Science and Business Media LLC. - 1471-2377. ; 14, s. 47-
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: There is increasing research that examines gender-issues in multiple sclerosis (MS), but little focus has been placed on gender-issues regarding physical activity. The aim of the present study was to describe levels of physical activity, self-efficacy for physical activity, fall-related self-efficacy, social support for physical activity, fatigue levels and the impact of MS on daily life, in addition to investigating gender differences. Methods: The sample for this cross-sectional cohort study consisted of 287 (84 men; 29.3%) adults with MS recruited from the Swedish Multiple Sclerosis Registry. A questionnaire was sent to the subjects consisting of the self-administrated measurements: Physical Activity Disability Survey - Revised, Exercise Self-Efficacy Scale, Falls-Efficacy Scale (Swedish version), Social Influences on Physical Activity, Fatigue Severity Scale and Multiple Sclerosis Impact Scale. Response rate was 58.2%. Results: Men were less physically active, had lower self-efficacy for physical activity and lower fall-related self-efficacy than women. This was explained by men being more physically affected by the disease. Men also received less social support for physical activity from family members. The level of fatigue and psychological consequences of the disease were similar between the genders in the total sample, but subgroups of women with moderate MS and relapsing remitting MS experienced more fatigue than men. Conclusions: Men were less physically active, probably a result of being more physically affected by the disease. Men being more physically affected explained most of the gender differences found in this study. However, the number of men in the subgroup analyses was small and more research is needed. A gender perspective should be considered in strategies for promoting physical activity in subjects with MS, e. g. men may need more support to be physically active.
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