| 1. |
- Michels, Karin B., et al.
(författare)
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Coffee, tea, and caffeine consumption and breast cancer incidence in a cohort of Swedish women
- 2002
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Ingår i: Annals of Epidemiology. - 1047-2797 .- 1873-2585. ; 12:1, s. 21-6
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Tidskriftsartikel (refereegranskat)abstract
- PURPOSE: Coffee, caffeinated tea, and caffeine have been suggested to play a role in breast carcinogenesis or in the promotion or inhibition of tumor growth. Prior epidemiologic evidence has not supported an overall association between consumption of caffeinated beverages and risk of breast cancer, but consumption in some studies was low. METHODS: We studied this relation in the Swedish Mammography Screening Cohort, a large population-based prospective cohort study in Sweden comprising 59,036 women aged 40-76 years. Sweden has the highest coffee consumption per capita in the world. RESULTS: During 508,267 person-years of follow-up, 1271 cases of invasive breast cancer were diagnosed. Women who reported drinking 4 or more cups of coffee per day had a covariate-adjusted hazard ratio of breast cancer of 0.94 [95% confidence interval (CI) 0.75-1.28] compared to women who reported drinking 1 cup a week or less. The corresponding hazard ratio for tea consumption was 1.13 (95% CI 0.91-1.40). Similarly, women in the highest quintile of self-reported caffeine intake had a hazard ratio of beast cancer of 1.04 (95% CI 0.87-1.24) compared to women in the lowest quintile. CONCLUSIONS: In this large cohort of Swedish women, consumption of coffee, tea, and caffeine was not associated with breast cancer incidence.
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| 2. |
- Bean, Christopher, 1990-, et al.
(författare)
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Poor peer relations in adolescence, social support in early adulthood, and depressive symptoms in later adulthood : evaluating mediation and interaction using four-way decomposition analysis
- 2019
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Ingår i: Annals of Epidemiology. - : Elsevier BV. - 1047-2797 .- 1873-2585. ; 29, s. 52-59
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: Supportive social relations are associated with good mental health, yet few studies have considered the prospective importance of adolescent peer relations for adult mental health and the potential mechanisms involved.Methods: Participants (n=941) were sourced from the Northern Swedish Cohort, a prospective study comprising school students aged 16 in 1981. Integrating life course epidemiology with four-way decomposition analysis, this paper considers the controlled direct effect of poor peer relations at age 16 on depressive symptoms at age 43, the pure indirect effect mediated by the availability of social support at age 30, and potential interactions between the exposure and the mediator.Results: After controlling for gender, baseline depressive symptoms and parental socioeconomic position, poor peer relations at age 16 were associated with depressive symptoms at age 43, largely irrespective of social support at age 30. Nonetheless, poor peer relations in adolescence were associated with poorer social support at age 30, and mediation accounted for a modest proportion (pure indirect effect 10%) of the association between poor peer relations and depressive symptoms at age 43.Conclusions: Policies to foster constructive peer relations for adolescents at school are encouraged; such policies may promote both the availability of social support and better mental health across the life course.
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| 3. |
- Bellavia, Andrea, et al.
(författare)
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Alcohol consumption and mortality : a dose-response analysis in terms of time
- 2014
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Ingår i: Annals of Epidemiology. - : ELSEVIER SCIENCE INC. - 1047-2797 .- 1873-2585. ; 24:4, s. 291-296
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: Low-to-moderate alcohol consumption is associated with decreased mortality. However, many aspects of this association are still debated. Our aim was to complement available information by conducting a dose-response analysis of the association between alcohol consumption and survival time. Methods: In a Swedish population-based cohort of 67,706 middle-aged and elderly men and women, frequency and amount of drinking were assessed through a self-administrated questionnaire. During 15 years of follow-up, 13,323 participants died. Differences in survival (10th percentile differences, PDs) according to levels of alcohol consumption were estimated using Laplace regression. Results: We found evidence of nonlinearity between alcohol consumption and survival. Among women, we observed a rapid increase in survival up to 6 g/d of alcohol consumption (0.5 drinks/d) where survival was 17 months longer (PD = 17 months, 95% confidence interval, 10 to 24). After this peak, higher alcohol consumption was progressively associated with shorter survival. Among men, survival improved up to 15 g/d (1.5 drinks/d) where we observed a PD of 15 months (95% confidence interval, 8 to 22). Conclusions: Low alcohol consumption was associated with improved survival up to 1.5 years for women with an average consumption of 0.5 drinks per day and to 13 years for men with an average consumption of 1.5 drinks per day. (C) 2014 Elsevier Inc. All rights reserved.
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| 4. |
- Bruckner, Tim .A., et al.
(författare)
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Cold ambient temperature in utero and birth outcomes in Uppsala, Sweden, 1915 to 1929
- 2014
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Ingår i: Annals of Epidemiology. - : Elsevier BV. - 1047-2797 .- 1873-2585. ; 24:2, s. 116-121
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Tidskriftsartikel (refereegranskat)abstract
- PurposeAlthough the literature reports adverse birth outcomes following ambient heat, less work focuses on cold. We, moreover, know of no studies of cold that examine stillbirth. We tested the relation between cold ambient temperature during pregnancy in Sweden and four outcomes: stillbirth, preterm, birth weight for gestational age, and birth length. We examined births from 1915 to 1929 in Uppsala, Sweden, which—unlike most societies today—experienced substandard indoor-heating and fewer amenities to provide shelter from cold.MethodsWe retrieved data on almost 14,000 deliveries from the Uppsala Birth Cohort Study. We linked a validated, daily ambient temperature series to all pregnancies and applied Cox proportional hazards (stillbirth and preterm) and linear regression models (birth weight and length). We tested for nonlinearity using quadratic splines.ResultsThe risk of stillbirth rose as ambient temperature during pregnancy fell (hazard ratio for a 1°C decrease in temperature, 1.08; 95% confidence interval, 1.00 to 1.17). Cold extremes adversely affected preterm and birth length, whereas warm extremes increased preterm risk. We observed no relation between cold and birth weight for gestational age.ConclusionIn historical Sweden, cold temperatures during pregnancy increased stillbirth and preterm risk and reduced birth length among live births.
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| 7. |
- Cameron, Raquel, et al.
(författare)
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Mortality risk increased in colonic diverticular disease : a nationwide cohort study
- 2022
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Ingår i: Annals of Epidemiology. - : Elsevier. - 1047-2797 .- 1873-2585. ; 76, s. 39-49
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Tidskriftsartikel (refereegranskat)abstract
- Introduction: There are limited population cohort data on overall and cause-specific mortality in colonic diverticular disease.Objective: To measure overall and cause-specific mortality in colonic diverticular disease, compared to matched reference individuals and siblings.Methods: Population-based cohort study ("the ESPRESSO study") in Sweden. There were 97,850 cases with a medical diagnosis of diverticular disease (defined by international classification of disease codes) and colorectal histology identified in 1987-2017 from histopathology reports. The mortality risk between individuals with colonic diverticular disease and matched reference individuals ( n = 453/634) from the general population was determined. Cox regression models adjusted for comorbidity estimated hazard ratios (HRs) for all-cause mortality.
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| 12. |
- Fedirko, Veronika, et al.
(författare)
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Alcohol drinking and endometrial cancer risk in the European Prospective Investigation into Cancer and Nutrition (EPIC) study
- 2013
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Ingår i: Annals of Epidemiology. - : Elsevier BV. - 1047-2797 .- 1873-2585. ; 23:2, s. 93-98
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: Alcohol intake may adversely affect the concentrations of endogenous sex hormones, and thus increase the risk of endometrial cancer. However, epidemiologic studies have provided conflicting results. Therefore, we investigated the association between alcohol intake and endometrial cancer risk a large, multicenter, prospective study. Methods: From 1992 through 2010, 301,051 women in the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort were followed for incident endometrial cancer (n = 1382). Baseline alcohol consumption was assessed by country-specific, validated dietary questionnaires. Information on past alcohol consumption was collected by lifestyle questionnaires. Hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated from Cox proportional hazard models. Results: The multivariable HRs (and 95% CIs) compared with light drinkers (0.1-6 g/d) were 1.03(0.88-1.20) for 0 g of alcohol per day at baseline, 1.01 (0.86-1.17) for 6.1-12 g/d, 1.03 (0.87-1.22) for 12.1-24 g/d, 1.07(0.87-1.38) for 241-36 g/d, and 0.85(0.61-1.18) for more than 36 g/d (p(trend) = 0.77). No association was observed among former drinkers (OR, 1.28; 95% CI, 0.98-1.68 compared with light drinkers). Null associations were also found between alcohol consumption at age 20 years, lifetime pattern of alcohol drinking, and baseline alcohol intake from specific alcoholic beverages and endometrial cancer risk. Conclusions: Our findings suggest no association between alcohol intake and endometrial cancer risk.
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| 15. |
- Gustafsson, Per E, et al.
(författare)
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Life course origins of the metabolic syndrome in middle-aged women and men : the role of socioeconomic status and metabolic risk factors in adolescence and early adulthood
- 2011
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Ingår i: Annals of Epidemiology. - : Elsevier BV. - 1047-2797 .- 1873-2585. ; 21:2, s. 103-110
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Tidskriftsartikel (refereegranskat)abstract
- PURPOSE: To assess whether body mass index (BMI), blood pressure, and socioeconomic status in adolescence and early adulthood are independently related to the metabolic syndrome in adult women and men. METHODS: We based our work on a Swedish prospective cohort study that recruited participants at 16 years of age (N = 1083 at age 16; 403 women and 429 men at age 43, 78% of those still alive [N = 1071]). Blood pressure (BP) and BMI were assessed when participants were 16 and 21 years of age. At age 43, the metabolic syndrome was defined according to the International Diabetes Federation guidelines. Socioeconomic status (SES) was operationalized by the participant (age 21 and 43) or parent's (age 16) occupational status. Information on smoking, snuff, alcohol, and inactivity was collected at age 43. RESULTS: In women, SES at age 16 was independently related to the risk of metabolic syndrome. In women and men, BMI at age 16 was related to metabolic syndrome but was attenuated by BMI at age 21, which was significant in the final model; in women systolic BP displayed similar patterns. CONCLUSIONS: Our data seem to suggest two independent life course pathways for metabolic syndrome: one metabolic pathway for both women and men operating through BMI (for women also systolic BP) in adolescence and early adulthood, and for women, an apparently independent pathway through adolescent socioeconomic disadvantage. Ann Epidemiol 2011;21:103-110. (C) 2011 Elsevier Inc. All rights reserved.
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| 16. |
- Hemminki, Kari, et al.
(författare)
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Subsequent Autoimmune or Related Disease in Asthma Patients: Clustering of Diseases or Medical Care?
- 2010
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Ingår i: Annals of Epidemiology. - : Elsevier BV. - 1047-2797 .- 1873-2585. ; 20, s. 217-222
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Tidskriftsartikel (refereegranskat)abstract
- PURPOSE: Asthma includes immunological components that may share mechanisms with autoimmune diseases. We analyzed the subsequent occurrence of any of 22 autoimmune and related conditions in hospitalized asthma patients. METHODS: A nationwide study was conducted in Sweden on subsequent diseases of asthma patients on the basis of the Hospital Discharge Register. Standardized incidence ratios (SIRs) were calculated for subsequent autoimmune diseases. RESULTS: A total of 4006 patients were hospitalized for an autoimmune condition after last hospitalization for asthma. The SIRs were increased for 11 subsequent autoimmune conditions, diagnosed at least 5 years after asthma. The highest SIRs were noted for polyarteritis nodosa (4.29) and Addison disease (3.62). SIRs for these diseases and others, including the most common autoimmune disease rheumatoid arthritis, were increased even when the follow-up was started 5 years after the last asthma hospitalization. Addison disease and Crohn disease were increased in asthma patients hospitalized at various ages, whereas young asthma patients presented with celiac disease and immune thrombocytopenic purpura. CONCLUSIONS: Hospitalized asthma patients presented with a number of subsequent autoimmune and related diseases. Although we were unable to exclude the effects of environmental factors, the data suggest that shared genetic factors or gene-environment interactions may explain coexistence of some of these diseases.
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| 20. |
- Larsson, Susanna C., et al.
(författare)
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Black tea consumption and risk of stroke in women and men
- 2013
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Ingår i: Annals of Epidemiology. - : ELSEVIER SCIENCE INC. - 1047-2797 .- 1873-2585. ; 23:3, s. 157-160
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: Our aim was examine the association between black tea consumption and risk of total stroke and stroke types in a prospective study. Methods: A total of 74,961 Swedish women and men who were free of cardiovascular disease and cancer at baseline in 1997 were followed up through December 2008. Tea consumption was assessed with a questionnaire at baseline. Stroke cases were ascertained from the Swedish Hospital Discharge Registry. Results: During a mean follow-up of 10.2 years, we ascertained 4089 cases of first stroke, including 3159 cerebral infarctions, 435 intracerebral hemorrhages, 148 subarachnoid hemorrhages, and 347 unspecified strokes. After adjustment for other risk factors, high tea consumption was associated with a significantly lower risk of total stroke; however, there was no dose response relation (P for trend = .36). Compared with no tea consumption, the multivariable relative risk for four or more cups per day (median, 5) was 0.79 (95% confidence interval [CI], 0.62-0.998). The corresponding relative risks were 0.80 (95% CI, 0.61-1.04) for cerebral infarction and 0.68 (95% Cl, 0.35-1.30) for hemorrhagic stroke. Conclusions: These findings suggest that daily consumption of four or more cups of black tea is inversely associated with risk of stroke. (C) 2013 Elsevier Inc. All rights reserved.
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| 22. |
- McCoy, Brittany M., et al.
(författare)
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Mediators of the association between parental severe mental illness and offspring neurodevelopmental problems
- 2014
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Ingår i: Annals of Epidemiology. - New York, USA : Elsevier. - 1047-2797 .- 1873-2585. ; 24:9, s. 629-634.e1
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: Parental severe mental illness (SMI) is associated with an increased risk of offspring autism spectrum disorder (ASD) and attention deficit hyperactivity disorder (ADHD). We conducted a study to examine the extent to which risk of preterm birth, low birth weight, and small for gestational age mediated this association.Methods: We obtained data on offspring born 1992-2001 in Sweden (n = 870,017) through the linkage of multiple population-based registers. We used logistic and Cox regression to assess the associations between parental SMI, adverse pregnancy outcomes, and offspring ASD and ADHD, as well as tested whether adverse pregnancy outcomes served as mediators.Results: After controlling for measured covariates, maternal and paternal SMI were associated with an increased risk for preterm birth, low birth weight, and gestational age, and for offspring ASD and ADHD. These pregnancy outcomes were also associated with an increased risk of ASD and ADHD. We found that pregnancy outcomes did not mediate the association between parental SMI and offspring ASD and ADHD, as there was no substantial change in magnitude of the risk estimates after controlling for pregnancy outcomes.Conclusions: Parental SMI and adverse pregnancy outcomes appear to be independent risk factors for offspring ASD and ADHD.
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| 23. |
- Mo, Minjia, et al.
(författare)
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The joint effect between fetal growth and health behaviors on the risk of cardiovascular diseases in young adulthood
- 2023
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Ingår i: Annals of Epidemiology. - : Elsevier. - 1047-2797 .- 1873-2585. ; 78, s. 54-60
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: To investigate the individual and the joint effect of impaired fetal growth and adult health behaviors on the risk of cardiovascular diseases (CVDs).Methods: A total of 15,618 individuals were included from three sub-cohorts of the Stockholm Public Health Cohort. Data on participants' birthweight and gestational age were retrieved from the Medical Birth Register. Data on the diagnoses of CVDs were extracted from the Swedish National Patient Register and the Cause of Death Register. Data on health behaviors were identified from self-reported questionnaires, and health behavioral profile was defined based on the recommendations of the American Health Association. The associations of fetal growth and health behaviors with the risk of CVDs were analyzed using Cox proportional hazard model.Results: Individuals born small for gestational age (SGA) had a higher risk of CVDs than those born appropriate for gestational age (AGA), and the adjusted hazard ratio (HR) and 95% confidence interval (CI) was 1.88 (1.44, 2.47). Participants born SGA and having poor health behavioral profile in adulthood had a higher risk of CVDs than those born AGA and having ideal health behaviors with adjusted HR (95% CI) being 3.58 (1.95, 6.56).Conclusions: Impaired fetal growth was associated with an increased risk of CVDs in adulthood, and the risk was highest in individuals with both impaired fetal growth and poor health behaviors in adulthood.
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| 24. |
- Pazzagli, Laura, et al.
(författare)
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Marginal structural model to evaluate the joint effect of socioeconomic exposures on the risk of developing end-stage renal disease in patients with type 1 diabetes : a longitudinal study based on data from the Swedish Childhood Diabetes Study Group
- 2017
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Ingår i: Annals of Epidemiology. - New York : Elsevier. - 1047-2797 .- 1873-2585. ; 27:8, s. 479-484
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: Diabetic nephropathy is a severe complication of type 1 diabetes (T1D) that may lead to renal failure and end-stage renal disease (ESRD) demanding dialysis and transplantation. The aetiology of diabetic nephropathy is multifactorial and both genes and environmental and life style related factors are involved. In this study we investigate the effect of the socioeconomic exposures unemployment and receiving income support on the development of ESRD in T1D patients, using a marginal structural model in comparison with standard logistic regression models.Methods: The study is based on the Swedish Childhood Diabetes Register which in 1977 started to register patients developing T1D before 15 years of age. In the analyses we include patients born between 1965 and 1979, developing diabetes between 1977 and 1994, followed until 2013 (n=4034). A marginal structural model (MSM) was fitted to adjust for both baseline and time-varying confounders.Results: The main results of the analysis indicate that being unemployed for more than one year and receiving income support are risk factors for the development of ESRD. Multiple exposure over time to these risk factors increases the risk associated with the disease.Conclusions: Using a MSM is an advanced method well suited to investigate the effect of exposures on the risk of complications of a chronic disease with longitudinal data. The results show that socioeconomic disadvantage increases the risk of developing ESRD in patients with type 1 diabetes.
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