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Sökning: WFRF:(Hultman Christina M) > Samhällsvetenskap

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1.
  • Schweinsberg, Martin, et al. (författare)
  • Same data, different conclusions : Radical dispersion in empirical results when independent analysts operationalize and test the same hypothesis
  • 2021
  • Ingår i: Organizational Behavior and Human Decision Processes. - : Elsevier BV. - 0749-5978 .- 1095-9920. ; 165, s. 228-249
  • Tidskriftsartikel (refereegranskat)abstract
    • In this crowdsourced initiative, independent analysts used the same dataset to test two hypotheses regarding the effects of scientists' gender and professional status on verbosity during group meetings. Not only the analytic approach but also the operationalizations of key variables were left unconstrained and up to individual analysts. For instance, analysts could choose to operationalize status as job title, institutional ranking, citation counts, or some combination. To maximize transparency regarding the process by which analytic choices are made, the analysts used a platform we developed called DataExplained to justify both preferred and rejected analytic paths in real time. Analyses lacking sufficient detail, reproducible code, or with statistical errors were excluded, resulting in 29 analyses in the final sample. Researchers reported radically different analyses and dispersed empirical outcomes, in a number of cases obtaining significant effects in opposite directions for the same research question. A Boba multiverse analysis demonstrates that decisions about how to operationalize variables explain variability in outcomes above and beyond statistical choices (e.g., covariates). Subjective researcher decisions play a critical role in driving the reported empirical results, underscoring the need for open data, systematic robustness checks, and transparency regarding both analytic paths taken and not taken. Implications for orga-nizations and leaders, whose decision making relies in part on scientific findings, consulting reports, and internal analyses by data scientists, are discussed.
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2.
  • Arnberg, Filip K, 1981-, et al. (författare)
  • Fifteen years after a ferry disaster : Clinical interviews and survivors’ self-assessment of their experience
  • 2013
  • Ingår i: European Journal of Psychotraumatology. - : Informa UK Limited. - 2000-8198 .- 2000-8066. ; 4, s. 20650-
  • Tidskriftsartikel (refereegranskat)abstract
    • Background:Disasters yield increased rates of psychological disorders decades later. Other consequences, however, have received little attention in the past.Objective:We aimed to examine diagnostic status and survivors’ views on disaster-related consequences and social support.Methods:A mixed-methods approach was used with 22 survivors (of 49 eligible) 15 years after a ferry disaster. Data collection included audiotaped interviews with open-ended questions and diagnostic assessment of Axis-I disorders.Results:The post-disaster incidence was 54% (12/22) for Axis-I disorders, and 45% (10/22) for full or subsyndromal posttraumatic stress disorder. Thematic analysis revealed that survivor perception of the longterm consequences included positive (character change) and negative aspects (being ascribed a survivor identity). Participants’ sought social support for several years, yet many felt hindered by experiential dissimilarity and distress of significant others.Conclusions:Axis-I disorders were prevalent, but not salient to survivors’ perceptions in the long-term. Postdisaster interventions need to attend to common barriers to support.
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4.
  • Arnberg, Filip K, 1981-, et al. (författare)
  • Prospective longitudinal long-term studies 14-20 years after three disasters
  • 2011
  • Ingår i: European Journal of Psychotraumatology. ; , s. 72-72
  • Konferensbidrag (refereegranskat)abstract
    • Although clinical experience and past research have shown that posttraumatic stress (PTS) can last for decades after a disaster, long-term follow-ups are scarce and little is known about predictors of chronic PTS. In this presentation, long-term consequences of disasters will be described by a summary of the findings from three surveys of man-made/technological disasters with 2-4 assessments during the first 34-4 years and with a long-term assessment of PTSD and general mental health after 14-20 years (Ns = 33-57). Similarities and dissimilarities in the course of PTS between the disasters will be presented. The influence of traumatic bereavement, psychological or pharmacological treatment, and additional negative life events on long-term PTS will be discussed, and experiences form conducting long-term studies will be communicated.
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5.
  • Arnberg, Filip K, 1981-, et al. (författare)
  • Social support moderates posttraumatic stress and general distress after disaster
  • 2012
  • Ingår i: Journal of Traumatic Stress. - : Wiley. - 0894-9867 .- 1573-6598. ; 25:6, s. 721-727
  • Tidskriftsartikel (refereegranskat)abstract
    • Social support buffers the negative impact of stressful events. Less, however, is known about the characteristics of this association in the context of disaster and findings have been discrepant regarding direct and buffering effects. This study tested whether the protective effects of social support differed across levels of exposure severity (i.e., buffered distress) and assessed whether the buffering effect differed between event-specific and general distress. Participants were 4,600 adult Swedish tourists (44% of invited; 55% women) repatriated within 3 weeks after the 2004 Indian Ocean tsunami. A survey 14 months after the disaster included the Crisis Support Scale, the Impact of Event Scale-Revised (IES-R), and the General Health Questionnaire (GHQ-12). Social support buffered the negative impact of exposure on both outcomes. The support and distress association ranged from very small in participants with low exposure to moderate in those with high exposure (ηp2 = .004 to .053). The buffering effect was not found to differ between the IES-R and GHQ-12, F(2, 4589) = 0.87, p = .42. The findings suggest that social support moderates the stressor-distress relationship after disasters. This study might help explain discrepant findings and point to refinements of postdisaster interventions.
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6.
  • Arnberg, Filip K, et al. (författare)
  • Traumatic bereavement, acute dissociation, and posttraumatic stress : 14 years after the MS Estonia disaster
  • 2011
  • Ingår i: Journal of Traumatic Stress. - : Wiley. - 0894-9867 .- 1573-6598. ; 24:2, s. 183-190
  • Tidskriftsartikel (refereegranskat)abstract
    • This prospective longitudinal study aimed to examine posttraumatic stress in survivors 14 years after a ferry disaster, and estimate short- and long-term changes in stress associated with traumatic bereavement and acute dissociation. There were 852 people who perished in the disaster, 137 survived. The 51 Swedish survivors were surveyed with the Impact of Event Scale-Revised (IES-R) at 3 months, 1, 3, and 14 years (response rates 82%, 65%, 51%, and 69%). Symptoms decreased from 3 months to 1 year; no change was found thereafter. After 14 years, 27% reported significant symptoms. Traumatic bereavement, but not acute dissociation, was associated with long-term symptom elevation. Chronic posttraumatic stress can persist in a minority of survivors, and traumatic bereavement appears to hinder recovery.
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7.
  • Bergh Johannesson, Kerstin, et al. (författare)
  • The effect of Traumatic Bereavement on Tsunami-Exposed Survivors
  • 2009
  • Ingår i: Journal of Traumatic Stress. - : Wiley. - 0894-9867 .- 1573-6598. ; 22:6, s. 497-504
  • Tidskriftsartikel (refereegranskat)abstract
    • Fourteen months after the 2004 tsunami, mental health outcome was assessed in 187 bereaved relatives, 308 bereaved friends, and in 3,020 nonbereaved Swedish survivors. Of the bereaved relatives, 41% reported posttraumatic stress reactions and 62% reported impaired general mental health. Having been caught or chased by the tsunami in combination with bereavement was associated with increased posttraumatic stress reactions. Complicated grief reactions among relatives were almost as frequent as posttraumatic stress reactions. The highest levels of psychological distress were found among those who had lost children. Traumatic bereavement, in combination with exposure to life danger, is probably a risk factor for mental health sequelae after a natural disaster.
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8.
  • Bjork Thordardottir, Edda, et al. (författare)
  • Mortality and major disease risk among migrants of the 1991-2001 Balkan wars to Sweden : A register-based cohort study
  • 2020
  • Ingår i: PLoS Medicine. - : Public Library of Science (PLoS). - 1549-1277 .- 1549-1676. ; 17:12
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: In recent decades, millions of refugees and migrants have fled wars and sought asylum in Europe. The aim of this study was to quantify the risk of mortality and major diseases among migrants during the 1991-2001 Balkan wars to Sweden in comparison to other European migrants to Sweden during the same period.Methods and findings: We conducted a register-based cohort study of 104,770 migrants to Sweden from the former Yugoslavia during the Balkan wars and 147,430 migrants to Sweden from 24 other European countries during the same period (1991-2001). Inpatient and specialized outpatient diagnoses of cardiovascular disease (CVD), cancer, and psychiatric disorders were obtained from the Swedish National Patient Register and the Swedish Cancer Register, and mortality data from the Swedish Cause of Death Register. Adjusting for individual-level data on sociodemographic characteristics and emigration country smoking prevalence, we used Cox regressions to contrast risks of health outcomes for migrants of the Balkan wars and other European migrants. During an average of 12.26 years of follow-up, being a migrant of the Balkan wars was associated with an elevated risk of being diagnosed with CVD (HR 1.39, 95% CI 1.34-1.43, p < 0.001) and dying from CVD (HR 1.45, 95% CI 1.29-1.62, p < 0.001), as well as being diagnosed with cancer (HR 1.16, 95% CI 1.08-1.24, p < 0.001) and dying from cancer (HR 1.27, 95% CI 1.15-1.41, p < 0.001), compared to other European migrants. Being a migrant of the Balkan wars was also associated with a greater overall risk of being diagnosed with a psychiatric disorder (HR 1.19, 95% CI 1.14-1.23, p < 0.001), particularly post-traumatic stress disorder (HR 9.33, 95% CI 7.96-10.94, p < 0.001), while being associated with a reduced risk of suicide (HR 0.68, 95% CI 0.48-0.96, p = 0.030) and suicide attempt (HR 0.57, 95% CI 0.51-0.65, p < 0.001). Later time period of migration and not having any first-degree relatives in Sweden at the time of immigration were associated with greater increases in risk of CVD and psychiatric disorders. Limitations of the study included lack of individual-level information on health status and behaviors of migrants at the time of immigration.Conclusions: Our findings indicate that migrants of the Balkan wars faced considerably elevated risks of major diseases and mortality in their first decade in Sweden compared to other European migrants. War migrants without family members in Sweden or with more recent immigration may be particularly vulnerable to adverse health outcomes. Results underscore that persons displaced by war are a vulnerable group in need of long-term health surveillance for psychiatric disorders and somatic disease.
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9.
  • Hellstadius, Ylva, et al. (författare)
  • A longitudinal assessment of psychological distress after oesophageal cancer surgery
  • 2017
  • Ingår i: Acta Oncologica. - : Taylor & Francis. - 0284-186X .- 1651-226X. ; 56:5, s. 746-752
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Psychological distress is common among patients with oesophageal cancer. However, little is known about the course and predictors of psychological distress among patients treated with curative intent. Therefore, the aim of this study was to explore the prevalence, course and predictors of anxiety and depression in patients operated for oesophageal cancer, from prior to surgery to 12 months post-operatively. Methods: A prospective cohort of patients with oesophageal cancer (n ¼ 218) were recruited from one high-volume specialist oesophago-gastric treatment centre (St Thomas’ Hospital, London, UK). Anxiety and depression were assessed prior to surgery, 6 and 12 months post-operatively. Mixed-effects modelling was performed to investigate changes over time and to estimate the association between clinical and socio-demographic predictor variables and anxiety and depression symptoms. Results: The proportion of patients with anxiety was 33% prior to surgery, 28% at 6 months, and 37% at 12 months. Prior to surgery, 20% reported depression, 27% at 6 months, and 32% at 12-month follow-up. Anxiety symptoms remained stable over time whereas depression symptoms appeared to increase from pre-surgery to 6 months, levelling off between 6 and 12 months. Younger age, female sex, living alone and more severe self-reported dysphagia (i.e., difficulty swallowing) predicted higher anxiety symptoms. In-hospital complications, greater limitations in activity status and more severe selfreported dysphagia were predictive of higher depression. Conclusions: Many patients report psychological distress during the first year following oesophageal cancer surgery. Whether improving the experience of swallowing difficulties may also reduce distress among these patients warrants further study.
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10.
  • Silverman, Michael E., et al. (författare)
  • The risk factors for postpartum depression : A population-based study
  • 2017
  • Ingår i: Depression and anxiety (Print). - Hoboken, USA : John Wiley & Sons. - 1091-4269 .- 1520-6394. ; 34:2, s. 178-187
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Postpartum depression (PPD) can result in negative personal and child developmental outcomes. Only a few large population-based studies of PPD have used clinical diagnoses of depression and no study has examined how a maternal depression history interacts with known risk factors. The objective of this study was to examine the impact of a depression history on PPD and pre- and perinatal risk factors.Methods: A nationwide prospective cohort study of all women with live singleton births in Sweden from 1997 through 2008 was conducted. Relative risk (RR) of clinical depression within the first year postpartum and two-sided 95% confidence intervals were estimated.Results: The RR of PPD in women with a history of depression was estimated at 21.03 (confidence interval: 19.72-22.42), compared to those without. Among all women, PPD risk increased with advanced age (1.25 (1.13-1.37)) and gestational diabetes (1.70 (1.36-2.13)). Among women with a history of depression, pregestational diabetes (1.49 (1.01-2.21)) and mild preterm delivery also increased risk (1.20 (1.06-1.36)). Among women with no depression history, young age (2.14 (1.79-2.57)), undergoing instrument-assisted (1.23 (1.09-1.38)) or cesarean (1.64(1.07-2.50)) delivery, and moderate preterm delivery increased risk (1.36 (1.05-1.75)). Rates of PPD decreased considerably after the first postpartum month (RR = 0.27).Conclusions: In the largest population-based study to date, the risk of PPD was more than 20 times higher for women with a depression history, compared to women without. Gestational diabetes was independently associated with a modestly increased PPD risk. Maternal depression history also had a modifying effect on pre- and perinatal PPD risk factors.
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