| 51. |
- Edwards, Alexis C., et al.
(författare)
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Oral contraceptive use and risk of suicidal behavior among young women
- 2022
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Ingår i: Psychological Medicine. - 0033-2917. ; 52:9, s. 1710-1717
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Tidskriftsartikel (refereegranskat)abstract
- Background. Oral contraceptive use has been previously associated with an increased risk of suicidal behavior in some, but not all, samples. The use of large, representative, longitudinally-assessed samples may clarify the nature of this potential association. Methods. We used Swedish national registries to identify women born between 1991 and 1995 (N = 216 702) and determine whether they retrieved prescriptions for oral contraceptives. We used Cox proportional hazards models to test the association between contraceptive use and first observed suicidal event (suicide attempt or death) from age 15 until the end of follow-up in 2014 (maximum age 22.4). We adjusted for covariates, including mental illness and parental history of suicide. Results. In a crude model, use of combination or progestin-only oral contraceptives was positively associated with suicidal behavior, with hazard ratios (HRs) of 1.73-2.78 after 1 month of use, and 1.25-1.82 after 1 year of use. Accounting for sociodemographic, parental, and psychiatric variables attenuated these associations, and risks declined with increasing duration of use: adjusted HRs ranged from 1.56 to 2.13 1 month beyond the initiation of use, and from 1.19 to 1.48 1 year after initiation of use. HRs were higher among women who ceased use during the observation period. Conclusions. Young women using oral contraceptives may be at increased risk of suicidal behavior, but risk declines with increased duration of use. Analysis of former users suggests that women susceptible to depression/anxiety are more likely to cease hormonal contraceptive use. Additional studies are necessary to determine whether the observed association is attributable to a causal mechanism.
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| 52. |
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| 53. |
- Fontes-Villalba, Maelán, et al.
(författare)
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Palaeolithic diet decreases fasting plasma leptin concentrations more than a diabetes diet in patients with type 2 diabetes : A randomised cross-over trial
- 2016
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Ingår i: Cardiovascular Diabetology. - : Springer Science and Business Media LLC. - 1475-2840. ; 15:1
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Tidskriftsartikel (refereegranskat)abstract
- Background: We have previously shown that a Palaeolithic diet consisting of the typical food groups that our ancestors ate during the Palaeolithic era, improves cardiovascular disease risk factors and glucose control compared to the currently recommended diabetes diet in patients with type 2 diabetes. To elucidate the mechanisms behind these effects, we evaluated fasting plasma concentrations of glucagon, insulin, incretins, ghrelin, C-peptide and adipokines from the same study. Methods: In a randomised, open-label, cross-over study, 13 patients with type 2 diabetes were randomly assigned to eat a Palaeolithic diet based on lean meat, fish, fruits, vegetables, root vegetables, eggs and nuts, or a diabetes diet designed in accordance with current diabetes dietary guidelines during two consecutive 3-month periods. The patients were recruited from primary health-care units and included three women and 10 men [age (mean ± SD) 64 ± 6 years; BMI 30 ± 7 kg/m2; diabetes duration 8 ± 5 years; glycated haemoglobin 6.6 ± 0.6 % (57.3 ± 6 mmol/mol)] with unaltered diabetes treatment and stable body weight for 3 months prior to the start of the study. Outcome variables included fasting plasma concentrations of leptin, adiponectin, adipsin, visfatin, resistin, glucagon, insulin, C-peptide, glucose-dependent insulinotropic polypeptide, glucagon-like peptide-1 and ghrelin. Dietary intake was evaluated by use of 4-day weighed food records. Results: Seven participants started with the Palaeolithic diet and six with the diabetes diet. The Palaeolithic diet resulted in a large effect size (Cohen's d = -1.26) at lowering fasting plasma leptin levels compared to the diabetes diet [mean difference (95 % CI), -2.3 (-5.1 to 0.4) ng/ml, p = 0.023]. No statistically significant differences between the diets for the other variables, analysed in this study, were observed. Conclusions: Over a 3-month study period, a Palaeolithic diet resulted in reduced fasting plasma leptin levels, but did not change fasting levels of insulin, C-peptide, glucagon, incretins, ghrelin and adipokines compared to the currently recommended diabetes diet. Trial registration: Clinical Trials.gov NCT00435240.
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| 54. |
- Glimskär, A., et al.
(författare)
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Uppföljning av kvalitetsförändringar i ängs- och betesmark via NILS år 2006
- 2007
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Denna rapport presenterar resultat för ett antal indikatorer på kvalitet och skötsel i ett stickprov av ängs- och betesmarker i hela Sverige. Inventeringen och analyserna görs varje år från 2006 på uppdrag av Jordbruksverket, som underlag för bl.a. utvärderingen av miljökvalitetsmålet Ett rikt odlingslandskap. Som indikatorer har i första hand valts ett antal organismgrupper (fjärilar, humlor, kärlväxter, grova lövträd och epifytlavar), och dessutom beskrivs vegetationens struktur och sammansättning i provytor, som underlag för att ta fram strukturella indikatorer (t.ex. påverkan av gödsling och hävdintensitet/igenväxning). Urvalet bygger på förslag som tagits fram av Naturcentrum AB. De resultat som presenteras i denna rapport kommer från första årets inventering, vilket innefattar en femtedel av det totala stickprovet. Efter fem år får man alltså de mest tillförlitliga mängdskattningarna. Därefter återkommer man till samma objekt med samma intervall, vilket gör att man på ett tillförlitligt sätt kan analysera förändringar baserat på jämförelser mellan femårsperioder.Arbetet har utförts vid institutionen för skoglig resurshushållning, Sveriges lantbruksuniversitet, Umeå, i samarbete med inst. för ekologi, SLU och avd. för biologi, IFM, Linköpings universitet. Uppdraget att inventera ängs- och betesmarker samordnas med fältarbetet i NILS (Nationell Inventering av Landskapet i Sverige), och metodiken är till stor del likartad, med en del tilläggsmoment. NILS är ett rikstäckande miljöövervakningsprogram som följer tillstånd och förändringar i det svenska landskapet och hur dessa påverkar förutsättningarna för den biologiska mångfalden. NILS finansieras av Naturvårdsverket, där NILS ingår i programområde Landskap. Ett viktigt syfte med NILS är att följa upp de nationella miljökvalitetsmålen för olika naturtyper och fungera som underlag för att till exempel visa om genomförda miljövårdsåtgärder leder till önskade förbättringar på nationell nivå eller landsdelsnivå.
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| 55. |
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| 56. |
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| 57. |
- Hemminki, K, et al.
(författare)
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Familial risks for main neurological diseases in siblings based on hospitalizations in Sweden
- 2006
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Ingår i: Twin research and human genetics : the official journal of the International Society for Twin Studies. - : Cambridge University Press (CUP). - 1832-4274. ; 9:4, s. 580-586
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Tidskriftsartikel (refereegranskat)abstract
- Recent successes in identifying the underlying genetic mechanisms for neurological diseases, particularly for their Mendelian forms, have had profound implications for their diagnostics, treatment and classification. However, there has never been an attempt to compare familial risks in a systematic way among and between the main neurological diseases. Familial risks were here defined for siblings who were hospitalized because of a neurological disease in Sweden. A nationwide database for neurological diseases was constructed by linking the Multigeneration Register of 0- to 69-year-old siblings to the Hospital Discharge Register for the years 1987 to 2001. Standardized risk ratios were calculated for affected sibling pairs by comparing them to those whose siblings had no neurological disease. There were three main results. First, it was shown that all disease groups had a familial risk, with the exception of transient ischemic attacks, and the risks could be ranked from the highest (3451) for Huntington's disease to the lowest (2.1) for inflammatory diseases. Second, increased familial risks were shown for disease subtypes for which susceptibility genes or familial clustering have not been demonstrated previously, including multiple sclerosis, sleep apnea, nerve, nerve root and plexus disorders, and cerebral palsy. Third, based on the available sample size there was no convincing evidence for familial comorbidity between the disease groups, suggesting that the factors causing familial aggregation, probably usually heritable genes, are distinct for each subtype. The high familial risks for neurological disease imply heritable etiology and opportunities for identification of further susceptibility genes.
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| 58. |
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| 59. |
- Hussain, S. K., et al.
(författare)
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Influence of education level on cancer survival in Sweden
- 2008
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Ingår i: Annals of Oncology. - : Oxford University Press. - 0923-7534 .- 1569-8041. ; 19:1, s. 156-162
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND:While cancer survival at several sites has historically been shown to vary by education level, a current comprehensive assessment of survival following a cancer diagnosis in Sweden, a country with universal health care and cancer screening, has yet to be carried out.METHODS:Using the 2006 update of the Swedish Family-Cancer Database and Cox's proportional hazards regression methods, we calculate the adjusted hazard ratio (HR) and 95% confidence interval to estimate the influence of education level on site-specific cancer survival.RESULTS:Significant positive associations between education level and cancer survival were observed following a diagnosis of upper aerodigestive track cancer, colon cancer, pancreatic cancer, lung cancer, kidney cancer, urinary bladder cancer, melanoma, non-Hodgkin's lymphoma, breast cancer, endometrial cancer, cervical cancer, prostate cancer, and testicular cancer. Although the HRs differed between cancer sites, compared with women and men completing <9 years of education, university graduates were associated with a significant 40% improved survival for all cancer sites combined.CONCLUSIONS:Survival differences by education level were observed for both indolent and aggressive malignancies.
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| 60. |
- Högström, G., et al.
(författare)
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Aerobic fitness in late adolescence and the risk of cancer and cancer-associated mortality in adulthood : A prospective nationwide study of 1.2 million Swedish men
- 2019
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Ingår i: Cancer Epidemiology. - : Elsevier BV. - 1877-7821 .- 1877-783X. ; 59, s. 58-63
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Tidskriftsartikel (refereegranskat)abstract
- Background: The incidence of cancer has steadily risen. It is important to identify modifiable predictors in early life that may decrease cancer risks and mortality. The present study aims to investigate the relationship between aerobic fitness in adolescence and the subsequent risk of cancer and cancer-associated mortality. Methods: The study included 1 185 439 Swedish men born between 1950 and 1980 that participated in the military conscription (mean age = 18 years). The results from the aerobic fitness test (Wmax) was linked to the risk of cancer and cancer-associated mortality during a 40-years’ follow-up using Cox proportional hazards models. A co-sibling design was employed to take familial factors into account. Results: During a mean follow-up of 27 years 15 093 cases of cancer and 4900 cancer-associated mortalities were registered. Higher Wmax (per additional 1 SD) was associated with a decreased risk of cancer at 40 years of follow-up (HR 0.93; 95% CI 0.91–0.96 for cancer and HR 0.82 95% CI 0.76–0.87 for cancer-associated mortality) but not at 5 years of follow-up (HR 1.03; 95% CI 0.99–1.07; and HR 1.04; 95% CI 0.97–1.12). In the co-sibling model the protective effects of high Wmax were increased at 40 years of follow-up for cancer (HR 0.91; 95% CI 0.85–0.98) and cancer-associated mortality (HR 0.78; 95% CI 0.68–0.89). Conclusions: These findings identify in late adolescence a potentially modifiable predictor of cancer, with higher aerobic fitness associated with a decreased risk of cancer incidence and mortality later in life.
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