| 1. |
- Blomberg, Karin, et al.
(författare)
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How can young women be encouraged to attend cervical cancer screening? : Suggestions from face-to-face and internet focus group discussions with 30-year-old women in Stockholm, Sweden
- 2011
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Ingår i: Acta Oncologica. - 0284-186X .- 1651-226X. ; 50:1, s. 112-120
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Tidskriftsartikel (refereegranskat)abstract
- Background. Cervical cancer screening (CCS) using Pap-smears has been carried out for decades and is still an essential tool for secondary cancer prevention. Focus has traditionally been on what hinders women's attendance, instead of researching this issue from a positive standpoint, i.e. what factors encourage women to take a Pap-smear? In this article, we therefore explore issues that 30-year-old women have addressed as encouraging CCS attendance, with particular focus on aspects susceptible to intervention. Material and methods. Through the population-based cervical cancer screening (PCCSP) registry in Stockholm, Sweden, a stratified random sampling technique was used to recruit women from the same birth cohort with varied CCS histories and results. Nine face-to-face focus groups discussions (FGDs) and 30 internet-based FGDs were conducted with a total of 138 women aged 30. Qualitative analysis was inspired by interpretative description, to generate clinically relevant and useful data. Results. In general, these women expressed positive views about the PCCSP as an existing service, regardless of screening history. They described a wide range of factors encompassing the entire screening trajectory from invitation through follow-up which could motivate young women to CCS participation, including social marketing. Many of the suggestions related to individualization of the PCCSP, as well as a need to understand the relationship between human papilloma virus (HPV) and cervical cancer. Discusssion. These results are discussed in terms of the inherent tension between population-based public health initiatives and individually-oriented health care provision. Many suggestions given are already incorporated into the existing Stockholm-Gotland screening program, although this information may not reach women who need it. New research should test whether systematic information on HPV may provide a missing link in motivating young women to attend CCS, and which of their suggestions can serve to increase CCS participation.
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| 2. |
- Herweijer, Eva, et al.
(författare)
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Association of varying number of doses of quadrivalent human papillomavirus vaccine with incidence of condyloma.
- 2014
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Ingår i: JAMA: The Journal of the American Medical Association. - : American Medical Association (AMA). - 1538-3598 .- 0098-7484. ; 311:6, s. 597-603
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Tidskriftsartikel (refereegranskat)abstract
- Determining vaccine dose-level protection is essential to minimize program costs and increase mass vaccination program feasibility. Currently, a 3-dose vaccination schedule is recommended for both the quadrivalent and bivalent human papillomavirus (HPV) vaccines. Although the primary goal of HPV vaccination programs is to prevent cervical cancer, condyloma related to HPV types 6 and 11 is also prevented with the quadrivalent vaccine and represents the earliest measurable preventable disease outcome for the HPV vaccine.
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| 3. |
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| 4. |
- Leone, Marica, et al.
(författare)
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Association of severe childhood infections with depression and intentional self-harm in adolescents and young adults
- 2022
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Ingår i: Brain, behavior, and immunity. - : Elsevier. - 0889-1591 .- 1090-2139. ; 99, s. 247-255
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Tidskriftsartikel (refereegranskat)abstract
- Early-life infections have been linked with subsequent depression and self-harm. Examination of specific groups of infections and the role of familial factors may elucidate this observed relationship. We addressed these considerations in our investigations of the association of severe childhood infections with the risks of depression and self-harm in adolescence and early-adulthood. This population-based cohort study included all individuals born in Sweden between 1982 and 1996, with follow-up through 2013 (N = 1,506,070). Severe childhood infections were identified using inpatient and outpatient diagnoses from birth through age 12. Any infection as well as specific groups of infections were investigated. We examined diagnoses of depression and self-harm within inpatient and outpatient care and death by self-harm between ages 13 and 31. Cox proportional hazards regression models were used to estimate absolute risks, hazard ratios (HRs), and 95% CIs. When adjusting for sex and birth year, individuals exposed to any childhood infection demonstrated increased absolute risk differences for both outcomes (2.42% [95% CI, 0.41%-4.43%] of being diagnosed with depression up until age 31, and 0.73% [-2.05%-3.51%] of self-harm up until age 31) and increased relative risks (HR, 1.22 [1.20-1.24] for depression and HR, 1.29 [1.25-1.32] for self-harm). When controlling for unmeasured factors shared between family members by comparing discordant siblings, no strong association persisted. Our findings show that childhood infections may not be involved in the etiology of later depression and self-harm, and highlight the importance of identifying these genetic and environmental familial risk factors, which may serve as targets for interventions.
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| 5. |
- Leone, Marica, et al.
(författare)
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Association of Youth Depression With Subsequent Somatic Diseases and Premature Death
- 2021
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Ingår i: JAMA psychiatry. - : American Medical Association. - 2168-6238 .- 2168-622X. ; 78:3, s. 302-310
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Tidskriftsartikel (refereegranskat)abstract
- Importance: Early-onset depression has been linked to poor health outcomes. However, it is unclear the extent to which this disorder is associated with specific diseases and premature death and whether these associations remain after controlling for psychiatric comorbidity.Objective: To quantify the association of youth depression with subsequent diagnoses of numerous somatic diseases and mortality.Design, Setting, and Participants: A population-based cohort study was conducted using Swedish national registers containing data on all individuals born in Sweden between 1982 and 1996. A total of 1 487 964 participants were followed up from age 5 years through 2013 if no censoring occurred. Data analysis was performed from January 15, 2019, to August 10, 2020.Exposures: Youth depression was defined as having received at least 1 diagnosis of depression from inpatient or outpatient care between ages 5 and 19 years.Main Outcomes and Measures: This study examined 69 somatic conditions diagnosed after youth depression, as well as all-cause and cause-specific mortalities. Overall and sex-specific hazard ratios (HRs), together with 95% CIs, were estimated using Cox proportional hazards regression with attained age as underlying timescale and time-varying exposure, and adjusted for birth year and sex. All analyses were repeated controlling for psychiatric comorbidities. Absolute risk differences were calculated using standardization with Cox proportional hazards regression.Results: Of 1 487 964 individuals included in the analysis, 51.2% were male. A total of 37 185 patients (2.5%; 67.4% female) had an inpatient or outpatient contact for depression between ages 5 and 19 years (mean [SD] age at first recorded diagnosis of depression, 16.7 [2.1] years for males and 16.7 [1.8] years for females). Age at the end of follow-up ranged between 17 and 31 years. Individuals with youth depression had higher relative risks for 66 of the 69 somatic diagnoses. Strong associations were observed for certain injuries, especially self-harm in females (HR, 14.4; 95% CI, 13.8-15.1), sleep disorders (HR, 8.1; 95% CI, 7.6-8.7), viral hepatitis (HR, 6.1; 95% CI, 5.4-6.8), all-cause mortality (HR, 5.9; 95% CI, 5.3-6.6), and cause-specific mortalities, especially death by intentional self-harm (HR, 14.6; 95% CI, 12.6-16.9). Most associations were attenuated but persisted after adjusting for psychiatric comorbidity. The absolute risk difference of a specific disease within 12 years from the first diagnosis of depression during youth ranged from -0.2% (95% CI, -1.0% to 0.6%) for arthropathies among males to 23.9% (95% CI, 22.7%-25.0%) for the broader category of injuries among females.Conclusions and Relevance: In this Swedish population cohort study, patients with depression diagnosed during their youth appeared to have increased risks for many somatic diseases as well as for mortality, even after controlling for other psychiatric disorders. These findings suggest that several medical conditions should be considered when investigating youth depression.
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| 6. |
- Leone, Marica, et al.
(författare)
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FAMILIAL LIABILITY FOR ENDOCRINE-METABOLIC DISORDERS AND DEPRESSION
- 2021
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Ingår i: European Neuropsychopharmacology. - : Elsevier. - 0924-977X .- 1873-7862. ; 51, s. e112-e112
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Background: Endocrine-metabolic disorders are common in individuals with depression. Better understanding of the underlying factors contributing to their concomitant occurrence is needed. This study investigates the familial co-aggregation of depression and endocrine-metabolic disorders and estimates the contribution of genetic and environmental risk factors to their co-occurrence.Methods: We conducted a population-based cohort study using Swedish national data. A total of 2,263,311 individuals born between 1973 and 1996 were included and followed up until death, emigration, or December 31, 2013, whichever occurred first. Each participant was linked to their biological parents, allowing identification of full-, maternal half-, and paternal half-siblings. We investigated clinical diagnoses of depression and endocrine-metabolic disorders diagnosed at any point during the follow-up period, grouping the latter into autoimmune disorders (i.e., hypothyroidism, Graves’ disease, and type 1 diabetes) and non-autoimmune disorders (i.e., type 2 diabetes, obesity, and polycystic ovarian syndrome). Logistic regression and Cox proportional hazards regression were used to estimate the association between endocrine-metabolic disorders and depression within the same individual and across siblings. Quantitative genetic modeling was performed to investigate the relative contribution of genetic and environmental influences.Results: Individuals diagnosed with endocrine-metabolic disorders had significantly higher risk of depression, with odds ratios ranging from 1.43 [95% CI, 1.30-1.57] for Graves’ disease to 2.44 [2.37-2.50] for obesity. Overall, increased risks extended to full- and half-siblings. Quantitative genetic modeling showed that shared genetic factors explained the phenotypic correlations between endocrine-metabolic disorders and depression to different extents (ranging from 36% for autoimmune hypothyroidism, to 74% for obesity), except for type 1 diabetes, for which the association was mainly explained by non-shared environmental factors (84%).Discussion: Endocrine-metabolic disorders and depression co-occur in individuals and display familial co-aggregation. Shared genetic risk factors explained much of this relationship, but unique environmental influences also contributed significantly. These findings expand the current knowledge of the etiological sources of comorbidity between somatic and psychiatric disorders, which could guide future research aiming at identifying the pathophysiological mechanisms and potentially intervention targets.
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| 7. |
- Leone, Marica, et al.
(författare)
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Genetic and Environmental Contribution to the Co-Occurrence of Endocrine-Metabolic Disorders and Depression : A Nationwide Swedish Study of Siblings
- 2022
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Ingår i: American Journal of Psychiatry. - : HighWire Press. - 0002-953X .- 1535-7228. ; 179:11, s. 824-832
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: Depression is common in individuals with endocrine-metabolic disorders and vice versa, and a better understanding of the underlying factors contributing to the comorbidity of these disorders is needed. This study investigated the familial coaggregation of depression and endocrine-metabolic disorders and estimated the contribution of genetic and environmental factors to their co-occurrence.METHODS: This population-based cohort study included 2.2 million individuals born in Sweden between 1973 and 1996, with follow-up through 2013. Participants were linked to their biological parents, allowing identification of full siblings, maternal half siblings, and paternal half siblings. Diagnoses of depression and endocrine-metabolic conditions were investigated, with the latter grouped into autoimmune disorders (autoimmune hypothyroidism, Graves' disease, and type 1 diabetes) and non-autoimmune disorders (type 2 diabetes, obesity, and polycystic ovary syndrome). Logistic regression and Cox regression were used to estimate the associations between endocrine-metabolic disorders and depression within the same individual and across siblings. Quantitative genetic modeling was performed to investigate the relative contribution of genetic and environmental influences.RESULTS: Individuals with endocrine-metabolic disorders had a significantly higher risk of depression, with odds ratios ranging from 1.43 (95% CI=1.30, 1.57) for Graves' disease to 3.48 (95% CI=3.25, 3.72) for type 2 diabetes. Increased risks extended to full and half siblings. These correlations were mainly explained by shared genetic influences for non-autoimmune conditions, and by nonshared environmental factors for autoimmune disorders, especially for type 1 diabetes.CONCLUSIONS: These findings provide phenotypic and etiological insights into the co-occurrence of depression and various endocrine-metabolic conditions, which could guide future research aiming at identifying pathophysiological mechanisms and intervention targets.
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| 8. |
- Leone, Marica, et al.
(författare)
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MELATONIN USE AND THE RISK OF SELF-HARM AND UNINTENTIONAL INJURIES IN YOUTHS
- 2022
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Ingår i: European Neuropsychopharmacology. - : Elsevier. - 0924-977X .- 1873-7862. ; 63, s. E113-E113
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Background: Sleep disorders in youth have been associated with increased risks of injury, including suicidal behavior. This study investigated whether melatonin, which is themost common medication for sleep disturbances in youth in Sweden, is associated with a decreased risk of injury.Methods: This population-based cohort study included 25,575 youths who initiated melatonin treatment between ages 6 and 18. Poisson regression was used to estimate rate of injuries in the year prior to and following melatonin-treatment initiation. A within-individual design was used to estimate relative risks by comparing injury risk in the last unmedicated month with injury risks in the 12 months after medication initiation. Analyses were stratified by sex, in-jury type, psychiatric comorbidities, and age at melatonin-treatment initiation.Results: While body injuries, falls, and transport accident rates were comparable in the year before and after melatonin-treatment initiation, the risk of self-injurious behavior was highest in the months immediately prior medication and decreased thereafter. This was particularly prominent among adolescents with depression and/or anxiety, with females displaying greater absolute risks than males. Compared to the last unmedicated month, the 12 months post medication initiation had decreased relative risks for self-harm, with an IRR [95% CI] in the month following melatonin-treatment initiation of 0.46 [0.27-0.76] among adolescent females with psychiatric disorders, after excluding antidepressant users.Discussion: Decreased risk of intentional injury was observed following melatonin-treatment initiation among females with depression and anxiety, suggesting that sleep interventions could be considered in an effort to reduce risk of self-injurious behavior in this population.
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| 9. |
- Leone, Marica, et al.
(författare)
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Melatonin use and the risk of self-harm and unintentional injuries in youths with and without psychiatric disorders
- 2023
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Ingår i: Journal of Child Psychology and Psychiatry. - : John Wiley & Sons. - 0021-9630 .- 1469-7610. ; 64:7, s. 1027-1036
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Sleep disorders in youth have been associated with increased risks of injury, including suicidal behavior. This study investigated whether melatonin, which is the most common medication for sleep disturbances in youth in Sweden, is associated with a decreased risk of injury.METHODS: This population-based cohort study included 25,575 youths who initiated melatonin treatment between ages 6 and 18. Poisson regression was used to estimate rate of injuries in the year prior to and following melatonin treatment initiation. A within-individual design was used to estimate relative risks by comparing injury risk in the last unmedicated month with injury risks in the 12 months after medication initiation. Analyses were stratified by sex, injury type, psychiatric comorbidities and age at melatonin-treatment initiation.RESULTS: While body injuries, falls and transport accident rates were comparable in the year before and after melatonin-treatment initiation, the risk of self-harm was highest in the months immediately prior to medication, and decreased thereafter. This was particularly prominent among adolescents with depression and/or anxiety, with females displaying greater absolute risks than males. Compared to the last unmedicated month, the 12 months post medication initiation had decreased relative risks for self-harm, with an IRR [95% CI] in the month following melatonin-treatment initiation of 0.46 [0.27-0.76] among adolescent females with psychiatric disorders, after excluding antidepressant users.CONCLUSIONS: Decreased risk of intentional self-harm was observed following melatonin-treatment initiation among females with depression and anxiety, suggesting that sleep interventions could be considered in an effort to reduce risk of self-harm in this population.
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| 10. |
- Levál, Amy
(författare)
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Assessing infection risk and evaluating prevention strategies in the era of HPV-vaccines
- 2012
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Aim: This thesis aims to provide a multidimensional assessment of infection risks and to evaluate strategies for HPV prevention including vaccination with quadrivalent HPV-vaccines, dose-level vaccine effectiveness and condom use in high STI risk situations. Methods: Multiple population-based registers and questionnaire responses provided data for this thesis. Various multivariable and univariate regression models were fit. Findings: Overall, quadrivalent HPV-vaccination was highly effective against genital warts (GW) also referred to as condyloma, which is the first HPV disease endpoint possible to measure. However, effectiveness was contingent upon young age-at-first vaccination, with effectiveness declining steadily the older the age-at-first vaccination. Among women above 20 years of age there was low to immeasurable effectiveness and suggestive evidence vaccinations in this age group tended to reach women at high GW risk. There were marked socioeconomic disparities in the opportunistic (on-demand with co-pay) vaccination strategy evaluated, with women and girls who have parents with the highest education level compared to the lowest having a 15 times greater likelihood to be vaccinated (Study III). Once vaccination was initiated, however, high parental education level was unrelated to vaccination completion. Maximum protection against GW was found among girls vaccinated under the age of 17 who had received three doses of the vaccine. No differences in effectiveness were found for girls who received two-doses between ages 10-16 with that of those who received three-doses between ages 17-19 (Study IV). GW affects more men than women in Sweden as of 2010 with 453 per 100 000 men and 365 per 100 000 women treated. A decline between 25-30% was seen between 2006 and 2010 among women in the age groups with the highest vaccination coverage. No decline was found amongst men and their GW incidence has steadily increased between 2006 and 2010 (Study II). Reported condom use in high risk situations was low among both men and women, with 41% of men and 34% of women reporting always/almost always condom use with temporary partners. STI risk perception was also low, with approximately 10% of sexually active respondents considering themselves at large risk of contracting an STI. There was no association between men’s condom use and their STI risk perception but there was an association for women (Study I). Conclusions: Results suggest that males bear a substantial burden of HPV-related condyloma where incidence has dropped among women. When planning HPV-vaccination among females, efforts should target girls under age 14 for maximum effectiveness. Quadrivalent HPV-vaccination offers most protection against condyloma at three doses. Gross social inequity was found with opportunistic HPV-vaccination. There were large gender differences in factors associated with condom use in high risk situations and STI risk perceptions.
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