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Sökning: WFRF:(Haring C)

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31.
  • Marriott, Ross J, et al. (författare)
  • Factors Associated With Circulating Sex Hormones in Men : Individual Participant Data Meta-analyses.
  • 2023
  • Ingår i: Annals of internal medicine. - 1539-3704. ; 176:9, s. 1221-1234
  • Forskningsöversikt (refereegranskat)abstract
    • Various factors modulate circulating testosterone in men, affecting interpretation of testosterone measurements.To clarify factors associated with variations in sex hormone concentrations.Systematic literature searches (to July 2019).Prospective cohort studies of community-dwelling men with total testosterone measured using mass spectrometry.Individual participant data (IPD) (9 studies; n= 21074) and aggregate data (2 studies; n= 4075). Sociodemographic, lifestyle, and health factors and concentrations of total testosterone, sex hormone-binding globulin (SHBG), luteinizing hormone (LH), dihydrotestosterone, and estradiol were extracted.Two-stage random-effects IPD meta-analyses found a nonlinear association of testosterone with age, with negligible change among men aged 17 to 70 years (change per SD increase about the midpoint, -0.27 nmol/L [-7.8 ng/dL] [CI, -0.71 to 0.18 nmol/L {-20.5 to 5.2 ng/dL}]) and decreasing testosterone levels with age for men older than 70 years (-1.55 nmol/L [-44.7 ng/dL] [CI, -2.05 to -1.06 nmol/L {-59.1 to -30.6 ng/dL}]). Testosterone was inversely associated with body mass index (BMI) (change per SD increase, -2.42 nmol/L [-69.7 ng/dL] [CI, -2.70 to -2.13 nmol/L {-77.8 to -61.4 ng/dL}]). Testosterone concentrations were lower for men who were married (mean difference, -0.57 nmol/L [-16.4 ng/dL] [CI, -0.89 to -0.26 nmol/L {-25.6 to -7.5 ng/dL}]); undertook at most 75 minutes of vigorous physical activity per week (-0.51 nmol/L [-14.7 ng/dL] [CI, -0.90 to -0.13 nmol/L {-25.9 to -3.7 ng/dL}]); were former smokers (-0.34 nmol/L [-9.8 ng/dL] [CI, -0.55 to -0.12 nmol/L {-15.9 to -3.5 ng/dL}]); or had hypertension (-0.53 nmol/L [-15.3 ng/dL] [CI, -0.82 to -0.24 nmol/L {-23.6 to -6.9 ng/dL}]), cardiovascular disease (-0.35 nmol/L [-10.1 ng/dL] [CI, -0.55 to -0.15 nmol/L {-15.9 to -4.3 ng/dL}]), cancer (-1.39 nmol/L [-40.1 ng/dL] [CI, -1.79 to -0.99 nmol/L {-51.6 to -28.5 ng/dL}]), or diabetes (-1.43 nmol/L [-41.2 ng/dL] [CI, -1.65 to -1.22 nmol/L {-47.6 to -35.2 ng/dL}]). Sex hormone-binding globulin was directly associated with age and inversely associated with BMI. Luteinizing hormone was directly associated with age in men older than 70 years.Cross-sectional analysis, heterogeneity between studies and in timing of blood sampling, and imputation for missing data.Multiple factors are associated with variation in male testosterone, SHBG, and LH concentrations. Reduced testosterone and increased LH concentrations may indicate impaired testicular function after age 70 years. Interpretation of individual testosterone measurements should account particularly for age older than 70 years, obesity, diabetes, and cancer.Medical Research Future Fund, Government of Western Australia, and Lawley Pharmaceuticals. (PROSPERO: CRD42019139668).
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32.
  • McMahon, EM, et al. (författare)
  • Mental health difficulties and suicidal behaviours among young migrants: multicentre study of European adolescents
  • 2017
  • Ingår i: BJPsych open. - : Royal College of Psychiatrists. - 2056-4724. ; 3:6, s. 291-299
  • Tidskriftsartikel (refereegranskat)abstract
    • Migration has been reported to be associated with higher prevalence of mental disorders and suicidal behaviour.AimsTo examine the prevalence of emotional and behavioural difficulties, suicidal ideation and suicide attempts among migrant adolescents and their non-migrant peers.MethodA school-based survey was completed by 11 057 European adolescents as part of the Saving and Empowering Young Lives in Europe (SEYLE) study.ResultsA previous suicide attempt was reported by 386 (3.6%) adolescents. Compared with non-migrants, first-generation migrants had an elevated prevalence of suicide attempts (odds ratio (OR) 2.08; 95% CI 1.32–3.26; P=0.001 for European migrants and OR 1.86; 95% CI 1.06–3.27; P=0.031 for non-European migrants) and significantly higher levels of peer difficulties. Highest levels of conduct and hyperactivity problems were found among migrants of non-European origin.ConclusionsAppropriate mental health services and school-based supports are required to meet the complex needs of migrant adolescents.
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37.
  • Schmidtke, A, et al. (författare)
  • Suicide rates in the world:: Update
  • 1999
  • Ingår i: ARCHIVES OF SUICIDE RESEARCH. - 1381-1118. ; 5:1, s. 81-89
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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38.
  • Sisask, M, et al. (författare)
  • Teacher satisfaction with school and psychological well-being affects their readiness to help children with mental health problems
  • 2014
  • Ingår i: HEALTH EDUCATION JOURNAL. - : SAGE Publications. - 0017-8969 .- 1748-8176. ; 73:4, s. 382-393
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • In support of a whole-school approach to mental health promotion, this study was conducted to find out whether and how significantly teachers’ satisfaction with school and their subjective psychological well-being are related to the belief that they can help pupils with mental health problems. Design: Cross-sectional data were collected as a part of the European Union’s, Seventh Framework Programme for Research (FP7) Saving and Empowering Young Lives in Europe (SEYLE) study. One of the elements of the SEYLE study was to evaluate teachers’ attitudes and knowledge related to pupils’ mental health issues and their own psychological well-being, as well as their satisfaction with the school environment. Setting: The sample of schools from the SEYLE study sites representing 11 European countries was randomly chosen according to prior defined inclusion and exclusion criteria. The final cross-sectional database used for analysis in the current study comprised 2485 teachers from 158 randomly selected schools. Method: Respondents’ belief that teachers can help pupils with mental health problems served as the outcome variable in our predictions with probability of the positive answer being modelled in the logistic regression analysis. Teachers’ subjective psychological well-being and school satisfaction were included as independent variables in the logistic regression model and several other relevant variables were added to statistically control for them. Multiple models were tested in order to obtain the final model. Results: Logistic regression models showed that better satisfaction with general school climate, higher psychological well-being, and the ability to understand pupils’ mental health problems increased the odds of teachers’ readiness to help pupils with mental health problems. Conclusion: By providing a good school environment, by valuing the subjective psychological well-being of the teachers, and by providing adequate training to fulfil their ‘gatekeeper’ role, the preconditions to improve the mental health of the pupils they teach will be achieved. These suggestions are in line with a whole-school approach to mental health promotion.
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