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Träfflista för sökning "WFRF:(Janson Christer) ;pers:(Franklin Karl A.)"

Search: WFRF:(Janson Christer) > Franklin Karl A.

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1.
  • Amid Hägg, Shadi, et al. (author)
  • Nocturnal gastroesophageal reflux increases the risk of daytime sleepiness in women
  • 2019
  • In: Sleep Medicine. - : Elsevier BV. - 1389-9457 .- 1878-5506. ; 53, s. 94-100
  • Journal article (peer-reviewed)abstract
    • OBJECTIVE: Daytime sleepiness is common in women and has negative health effects. Nocturnal gastroesophageal reflux (nGER) and snoring are risk factors for daytime sleepiness, but the effect of their interaction remains unknown. The aim of this study was to examine how nGER and snoring combined affected daytime sleepiness and involuntary falling asleep in women.METHODS: A questionnaire was sent to randomly selected women in 2000 and 2010. Participants who answered questions regarding both nGER and snoring in both questionnaires were included (N = 4882). Daytime sleepiness was defined as severe or very severe problems with daytime sleepiness. Involuntary falling asleep was defined as sometimes, often or very often falling asleep involuntarily during the day. Respondents snoring loudly and disturbingly sometimes, often or very often were defined as snorers. Having nocturnal heartburn or acid reflux sometimes, often or very often was defined as having nGER.RESULTS: Daytime sleepiness was reported by 14% of the participants, involuntary falling asleep by 11%. After adjustment for age, smoking, physical activity, caffeine intake and alcohol dependency, increased odd ratios (ORs) for both daytime sleepiness (adjusted OR 4.2, 95% confidence interval (CI): 1.9-9.2) and involuntary falling asleep (adjusted OR 3.1, 95% CI: 1.5-6.4) were seen in women with the combination of nGER and snoring at both baseline and follow-up. The association with daytime sleepiness was also strong for those with only persistent nGER but not for those with only persistent snoring.CONCLUSION: Women with nGER were at increased risk of developing daytime sleepiness and snoring augmented this association. In addition, women with both nGER and snoring were also at increased risk of developing involuntary falling asleep.
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2.
  • Amid Hägg, Shadi, et al. (author)
  • Smokers with insomnia symptoms are less likely to stop smoking
  • 2020
  • In: Respiratory Medicine. - : Elsevier BV. - 0954-6111 .- 1532-3064. ; 170
  • Journal article (peer-reviewed)abstract
    • Objectives: Smoking is associated with sleep disturbances. The aim of this study was to analyze whether sleep disturbances are predictors of smoking cessation and whether continued smoking is associated with the development of sleep disturbances. Methods: A questionnaire was sent to randomly selected men and women in Northern Europe in 1999-2001 (RHINE II) and was followed up by a questionnaire in 2010-2012 (RHINE III). The study population consisted of 2568 participants who were smokers at baseline and provided data on smoking at follow-up. Insomnia symptoms were defined as having difficulty initiating and/or maintaining sleep and/or early morning awakening >= 3 nights/week. Multiple logistic regression analyses were performed to calculate odds ratios (OR). Results: Subjects with difficulty initiating sleep (adjusted odds ratio; 95% confidence interval: 0.6; 0.4-0.8), difficulty maintaining sleep (0.7; 0.5-0.9), early morning awakening (0.6; 0.4-0.8), any insomnia symptom (0.6; 0.5-0.8) or excessive daytime sleepiness (0.7; 0.5-0.8) were less likely to achieve long-term smoking cessation after adjustment for age, BMI, pack-years, hypertension, diabetes, chronic bronchitis, rhinitis, asthma, gender and BMI difference. There was no significant association between snoring and smoking cessation. In subjects without sleep disturbance at baseline, continued smoking increased the risk of developing difficulty initiating sleep during the follow-up period compared with those that had quit smoking (adj. OR 1.7, 95% CI 1.2-2.3). Conclusions: Insomnia symptoms and excessive daytime sleepiness negatively predict smoking cessation. Smoking is a risk factor for the development of difficulty initiating sleep. Treatment for sleep disturbances should be included in smoking-cessation programs.
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3.
  • Amid Hägg, Shadi, et al. (author)
  • The negative health effects of having a combination of snoring and insomnia
  • 2022
  • In: JOURNAL OF CLINICAL SLEEP MEDICINE. - : American Academy of Sleep Medicine (AASM). - 1550-9389 .- 1550-9397. ; 18:4, s. 973-981
  • Journal article (peer-reviewed)abstract
    • Study Objectives: Insomnia and snoring are common sleep disorders. The aim was to investigate the association of having a combination of insomnia symptoms and snoring with comorbidity and daytime sleepiness. Methods: The study population comprised 25,901 participants (16-75 years, 54.4% women) from 4 Swedish cities, who answered a postal questionnaire that contained questions on snoring, insomnia symptoms (difficulties initiating and/or maintaining sleep and/or early morning awakening), smoking, educational level, and respiratory and nonrespiratory disorders. Results: Snoring was reported by 4,221 (16.2%), while 9,872 (38.1%) reported 1 insomnia symptom. A total of 2,150 (8.3%) participants reported both insomnia symptoms and snoring. The association with hypertension (adjusted odds ratio [OR], 1.4; 95% confidence interval [Cl], 1.2-1.6), chronic obstructive pulmonary disease (adjusted OR, 1.8; 95% CI, 1.3-2.4), asthma (adjusted OR, 1.9; 95% CI, 1.6-2.3), daytime sleepiness (adjusted OR, 7.9; 95% CI, 7.1-8.8), and the use of hypnotics (adjusted OR, 7.5; 95% CI, 6.1-9.1) was highest for the group with both insomnia symptoms and snoring. Conclusions: Participants with both snoring and insomnia run an increased risk of hypertension, chronic obstructive pulmonary disease, asthma, daytime sleepiness, and use of hypnotics. It is important to consider snoring in patients seeking medical assistance for insomnia and, vice versa, in patients with snoring inquiring about insomnia.
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4.
  • Bengtsson, Caroline, et al. (author)
  • Incident chronic rhinosinusitis is associated with impaired sleep quality: Results of the RhiNE study
  • 2019
  • In: Journal of Clinical Sleep Medicine. - : American Academy of Sleep Medicine (AASM). - 1550-9389 .- 1550-9397. ; 15:6, s. 899-905
  • Journal article (peer-reviewed)abstract
    • Study Objectives: Chronic rhinosinusitis (CRS) is a common inflammatory disease of the nasal cavity and paranasal sinuses. Associations between CRS and poor sleep quality have been reported. This 10-year follow-up study investigates possible associations between incident CRS and sleep quality. Methods: A questionnaire was sent to 16,500 individuals in Sweden, Norway, Denmark, Iceland and Estonia in 2000. It included questions on airway diseases, age, sex, body mass index, smoking habits, comorbidities, education and sleep quality. In 2010, a second questionnaire was sent to the same individuals, with a response rate of 53%. A subgroup of 5,145 individuals without nasal symptoms in 2000 was studied. Multiple logistic regression was performed to examine associations between CRS (defined according to the European position paper on rhinosinusitis and nasal polyps epidemiological criteria) at follow-up and sleep quality, with adjustment for potential confounders. Individuals with the respective sleep problem at baseline were excluded. Results: Over 10 years, 141 (2.7%) of the individuals without nasal symptoms in 2000 had developed CRS. CRS was associated with difficulties inducing sleep (adjusted odds ratio 2.81 [95% CI 1.67–4.70]), difficulties maintaining sleep (2.07 [1.35–3.18]), early morning awakening (3.03 [1.91–4.81]), insomnia (2.21 [1.46–3.35]), excessive daytime sleepiness (2.85 [1.79–4.55]), and snoring (3.31 [2.07–5.31]). Three insomnia symptoms at baseline increased the risk of CRS at follow-up by 5.00 (1.93–12.99). Conclusions: Incident CRS is associated with impaired sleep quality and excessive daytime sleepiness. Insomnia symptoms may be a risk factor for the development of CRS. © 2019 American Academy of Sleep Medicine. All rights reserved.
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5.
  • Bergqvist, Joel, et al. (author)
  • Non-infectious rhinitis is more strongly associated with early-rather than late-onset of COPD: data from the European Community Respiratory Health Survey (ECRHS)
  • 2020
  • In: European Archives of Oto-Rhino-Laryngology. - : Springer Science and Business Media LLC. - 0937-4477 .- 1434-4726. ; 277, s. 1353-1359
  • Journal article (peer-reviewed)abstract
    • Purpose Chronic obstructive pulmonary disease (COPD) is associated with several co-morbidities and non-infectious rhinitis (NIR) has emerged as a new possible co-morbidity. The primary aim of this study is to confirm a previously reported association between NIR and COPD in a multicentre population over time. The secondary aim is to investigate the course over time of such an association through a comparison between early- and late-onset COPD. Methods This study is part of the European Community Respiratory Health Survey (ECRHS). A random adult population from 25 centres in Europe and one in Australia was examined with spirometry and answered a respiratory questionnaire in 1998-2002 (ECRHS II) and in 2008-2013 (ECRHS III). Symptoms of non-infectious rhinitis, hay fever and asthma, and smoking habits were reported. Subjects reporting asthma were excluded. COPD was defined as a spirometry ratio of FEV1/FVC < 0.7. A total of 5901 subjects were included. Results Non-infectious rhinitis was significantly more prevalent in subjects with COPD compared with no COPD (48.9% vs 37.1%, p < 0.001) in ECRHS II (mean age 43) but not in ECHRS III (mean age 54). In the multivariable regression model adjusted for COPD, smoking, age, BMI, and gender, non-infectious rhinitis was associated with COPD in both ECRHS II and III. Conclusion Non-infectious rhinitis was significantly more common in subjects with COPD at a mean age of 43. Ten years later, the association was weaker. The findings indicate that NIR could be associated with the early onset of COPD.
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6.
  • Bjerg, Anders, 1982, et al. (author)
  • Higher Risk of Wheeze in Female than Male Smokers. Results from the Swedish GA(2)LEN Study
  • 2013
  • In: Plos One. - : Public Library of Science (PLoS). - 1932-6203. ; 8:1
  • Journal article (peer-reviewed)abstract
    • Background Women who smoke have higher risk of lung function impairment, COPD and lung cancer than smoking men. An influence of sex hormones has been demonstrated, but the mechanisms are unclear and the associations often subject to confounding. This was a study of wheeze in relation to smoking and sex with adjustment for important confounders. Methods In 2008 the Global Allergy and Asthma European Network (GA2LEN) questionnaire was mailed to 45.000 Swedes (age 16–75 years), and 26.851 (60%) participated. “Any wheeze”: any wheeze during the last 12 months. “Asthmatic wheeze”: wheeze with breathlessness apart from colds. Results Any wheeze and asthmatic wheeze was reported by 17.3% and 7.1% of women, vs. 15.8% and 6.1% of men (both p<0.001). Although smoking prevalence was similar in both sexes, men had greater cumulative exposure, 16.2 pack-years vs. 12.8 in women (p<0.001). Most other exposures and characteristics associated with wheeze were significantly overrepresented in men. Adjusted for these potential confounders and pack-years, current smoking was a stronger risk factor for any wheeze in women aged <53 years, adjusted odds ratio (aOR) 1.85 (1.56–2.19) vs. 1.60 (1.30–1.96) in men. Cumulative smoke exposure and current smoking each interacted significantly with female sex, aOR 1.02 per pack-year (p<0.01) and aOR 1.28 (p = 0.04) respectively. Female compared to male current smokers also had greater risk of asthmatic wheeze, aOR 1.53 vs. 1.03, interaction aOR 1.52 (p = 0.02). These interactions were not seen in age ≥53 years. Discussion In addition to the increased risk of COPD and lung cancer female, compared to male, smokers are at greater risk of significant wheezing symptoms in younger age. This became clearer after adjustment for important confounders including cumulative smoke exposure. Estrogen has previously been shown to increase the bioactivation of several compounds in tobacco smoke, which may enhance smoke-induced airway inflammation in fertile women.
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7.
  • Bjornsdottir, E., et al. (author)
  • Are symptoms of insomnia related to respiratory symptoms? Cross-sectional results from 10 European countries and Australia
  • 2020
  • In: BMJ Open. - : BMJ. - 2044-6055. ; 10:4
  • Journal article (peer-reviewed)abstract
    • Objectives To compare the prevalence of different insomnia subtypes among middle-aged adults from Europe and Australia and to explore the cross-sectional relationship between insomnia subtypes, respiratory symptoms and lung function. Design Cross-sectional population-based, multicentre cohort study. Setting 23 centres in 10 European countries and Australia. Methods We included 5800 participants in the third follow-up of the European Community Respiratory Health Survey III (ECRHS III) who answered three questions on insomnia symptoms: difficulties falling asleep (initial insomnia), waking up often during the night (middle insomnia) and waking up early in the morning and not being able to fall back asleep (late insomnia). They also answered questions on smoking, general health and chronic diseases and had the following lung function measurements: forced expiratory volume in 1 s (FEV1), forced vital capacity (FVC) and the FEV1/FVC ratio. Changes in lung function since ECRHS I about 20 years earlier were also analysed. Main outcome measures Prevalence of insomnia subtypes and relationship to respiratory symptoms and function. Results Overall, middle insomnia (31.2%) was the most common subtype followed by late insomnia (14.2%) and initial insomnia (11.2%). The highest reported prevalence of middle insomnia was found in Iceland (37.2%) and the lowest in Australia (22.7%), while the prevalence of initial and late insomnia was highest in Spain (16.0% and 19.7%, respectively) and lowest in Denmark (4.6% and 9.2%, respectively). All subtypes of insomnia were associated with significantly higher reported prevalence of respiratory symptoms. Only isolated initial insomnia was associated with lower FEV1, whereas no association was found between insomnia and low FEV1/FVC ratio or decline in lung function. Conclusion There is considerable geographical variation in the prevalence of insomnia symptoms. Middle insomnia is most common especially in Iceland. Initial and late insomnia are most common in Spain. All insomnia subtypes are associated with respiratory symptoms, and initial insomnia is also associated with lower FEV1.
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8.
  • Bjornsdottir, Erla, et al. (author)
  • Association between physical activity over a 10-year period and current insomnia symptoms, sleep duration and daytime sleepiness: a European population-based study
  • 2024
  • In: BMJ OPEN. - : BMJ Publishing Group Ltd. - 2044-6055. ; 14:3
  • Journal article (peer-reviewed)abstract
    • Objectives To explore the relationship between physical activity over a 10-year period and current symptoms of insomnia, daytime sleepiness and estimated sleep duration in adults aged 39-67. Design Population-based, multicentre cohort study. Setting 21 centres in nine European countries. Methods Included were 4339 participants in the third follow-up to the European Community Respiratory Health Survey (ECRHS III), who answered questions on physical activity at baseline (ECRHS II) and questions on physical activity, insomnia symptoms, sleep duration and daytime sleepiness at 10-year follow-up (ECRHS III). Participants who reported that they exercised with a frequency of at least two or more times a week, for 1 hour/week or more, were classified as being physically active. Changes in activity status were categorised into four groups: persistently non-active; became inactive; became active; and persistently active. Main outcome measures Insomnia, sleep time and daytime sleepiness in relation to physical activity. Results Altogether, 37% of participants were persistently non-active, 25% were persistently active, 20% became inactive and 18% became active from baseline to follow-up. Participants who were persistently active were less likely to report difficulties initiating sleep (OR 0.60, 95% CI 0.45-0.78), a short sleep duration of <= 6 hours/night (OR 0.71, 95% CI 0.59-0.85) and a long sleep of >= 9 hours/night (OR 0.53, 95% CI 0.33-0.84) than persistently non-active subjects after adjusting for age, sex, body mass index, smoking history and study centre. Daytime sleepiness and difficulties maintaining sleep were not related to physical activity status. Conclusion Physically active people have a lower risk of some insomnia symptoms and extreme sleep durations, both long and short.
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9.
  • Blöndal, Viiu, et al. (author)
  • Multimorbidity in asthma, association with allergy, inflammatory markers and symptom burden, results from the Swedish GA2LEN study
  • 2021
  • In: Clinical and Experimental Allergy. - : Wiley. - 0954-7894 .- 1365-2222. ; 51:2, s. 262-272
  • Journal article (peer-reviewed)abstract
    • Background: Asthma is common worldwide and a large part of subjects with asthma have concomitant allergic multimorbidity in the form of rhinitis and/or eczema. Objective: The aim of this study is to investigate whether the presence of allergic multimorbidity in asthma relates to allergic sensitization, allergic and respiratory symptoms, quality of life, inflammatory markers, lung function, use of medication and background factors. Methods: A total of 437 asthmatics from the (GA2LEN) cross-sectional survey in Sweden were grouped depending on the presence of rhinitis and/or eczema. The impact of allergic multimorbidity was assessed in terms of allergic sensitization, allergic and respiratory symptoms, quality of life, type-2 inflammatory markers (exhaled nitric oxide, eosinophil activation markers, periostin), lung function, use of medication and background factors. Results: Subjects with asthma, rhinitis and eczema were more likely to be sensitized to seasonal allergens (67% vs 32%, P<.001), food allergens (54% vs 18%, P<.001) and to have a higher degree of sensitization than subjects with only asthma (23% vs 10%, P<.001). Subjects with allergic multimorbidity more often had allergic reactions to food (28% vs 10%, P=.002), more respiratory symptoms and anxiety/depression (40% vs, 14%, P<.001) than subjects with only asthma, despite having similar levels of type 2 inflammatory markers. Individuals with allergic multimorbidity were more likely to be diagnosed with asthma before the age of 12 (48% vs 27%, P=.016) and to have maternal heredity for allergy (53% vs 33%, P=.011) than subjects with only asthma. Conclusion and clinical relevance: Asthmatics with allergic multimorbidity are more likely to be sensitized to seasonal aeroallergens, food allergens and they have a higher degree of sensitization compared with those with only asthma. Allergic multimorbidity is associated with respiratory and allergy symptoms, anxiety and/or depression. © 2020 The Authors. Clinical & Experimental Allergy published by John Wiley & Sons Ltd
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10.
  • Castro-Giner, F., et al. (author)
  • Joint effect of obesity and TNFA variability on asthma : two international cohort studies
  • 2009
  • In: European Respiratory Journal. - : European Respiratory Society (ERS). - 0903-1936 .- 1399-3003. ; 33:5, s. 1003-1009
  • Journal article (peer-reviewed)abstract
    • Obesity is a risk factor for asthma. Adipose tissue expresses pro-inflammatory molecules including tumour necrosis factor (TNF), and levels of TNF are also related to polymorphisms in the TNF-alpha (TNFA) gene. The current authors examined the joint effect of obesity and TNFA variability on asthma in adults by combining two population-based studies. The European Community Respiratory Health Survey and the Swiss Cohort Study on Air Pollution and Lung and Heart Disease in Adults used comparable protocols, questionnaires and measures of lung function and atopy. DNA samples from 9,167 participants were genotyped for TNFA -308 and lymphotoxin-alpha (LTA) +252 gene variants. Obesity and TNFA were associated with asthma when mutually adjusting for their independent effects (odds ratio (OR) for obesity 2.4, 95% confidence interval (CI) 1.7-3.2; OR for TNFA -308 polymorphism 1.3, 95% CI 1.1-1.6). The association of obesity with asthma was stronger for subjects carrying the G/A and A/A TNFA -308 genotypes compared with the more common G/G genotype, particularly among nonatopics (OR for G/A and A/A genotypes 6.1, 95% CI 2.5-14.4; OR for G/G genotype 1.7, 95% CI 0.8-3.3). The present findings provide, for the first time, evidence for a complex pattern of interaction between obesity, a pro-inflammatory genetic factor and asthma.
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