Contribution of life events to causation of psychiatric illness

1978 ◽  
Vol 8 (2) ◽  
pp. 245-253 ◽  
Author(s):  
E. S. Paykel
Keyword(s):  
Relative Risk ◽  
General Population ◽  
Life Events ◽  
Psychiatric Illness ◽  
Suicide Attempts ◽  
Background Factors ◽  
Measure Of Association ◽  
Multifactorial Causation ◽  
Population Controls

SYNOPSISThis paper discusses the magnitude of the effect of life events in the causation of psychiatric illness. It is argued that an established epidemiological concept, relative risk, provides a useful measure of association which can be approximately adapted for retrospective controlled studies. Examination of studies employing general population controls consistently indicates effects of some importance, with risks of illness increased by factors of between 2 and 7 in the 6 months after an event. Risks are greater for the more stressful types of events, greater for depression and neuroses than schizophrenia, and even greater for suicide attempts. However, similar events occur commonly and a large proportion of event occurrences are not followed by illness. Events must interact with a wide variety of background factors, and the appropriate model is one of multifactorial causation.

Obstructive sleep apnoea is more prevalent in men with schizophrenia compared to general population controls: results of a matched cohort study

2018 ◽  
Vol 26 (6) ◽  
pp. 600-603 ◽  
Author(s):  
Hannah Myles ◽  
Andrew Vincent ◽  
Nicholas Myles ◽  
Robert Adams ◽  
Madhu Chandratilleke ◽  
...  
Keyword(s):  
Relative Risk ◽  
General Population ◽  
Obstructive Sleep Apnoea ◽  
Population Group ◽  
Sleep Apnoea ◽  
General Population Study ◽  
Obstructive Sleep ◽  
General Population Group ◽  
Relative Prevalence ◽  
Population Controls

Objectives: Obstructive sleep apnoea (OSA) may be more common in people with schizophrenia compared to the general population, but the relative prevalence is unknown. Here, we determine the relative prevalence of severe OSA in a cohort of men with schizophrenia compared to representative general population controls, and investigate the contribution of age and body mass index (BMI) to differences in prevalence. Methods: Rates of severe OSA (apnoea–hypopnoea index > 30) were compared between male patients with schizophrenia and controls from a representative general population study of OSA. Results: The prevalence of severe OSA was 25% in the schizophrenia group and 12.3% in the general population group. In subgroups matched by age, the relative risk of severe OSA was 2.9 ( p = 0.05) in the schizophrenia subjects, but when adjusted for age and BMI, the relative risk dropped to 1.7 and became non-significant ( p = 0.17). Conclusions: OSA is prevalent in men with schizophrenia. Obesity may be an important contributing factor to the increased rate of OSA.

scholarly journals Depressive symptoms and the general health of retired professional footballers compared with the general population in the UK: a case–control study

BMJ Open ◽  
2019 ◽  
Vol 9 (9) ◽  
pp. e030056 ◽  
Author(s):  
Gwen S Fernandes ◽  
Sanjay M Parekh ◽  
Jonathan Moses ◽  
Colin W Fuller ◽  
Brigitte Scammell ◽  
...  
Keyword(s):  
Depressive Symptoms ◽  
Relative Risk ◽  
General Population ◽  
General Health ◽  
Adjusted Relative Risk ◽  
Medication Usage ◽  
Heart Attacks ◽  
Body Pain ◽  
The Uk ◽  
Population Controls

ObjectivesTo determine the prevalence of depressive symptoms and general health of male ex-professional footballers compared with general population controls.Methods572 retired professional footballers and 500 general population controls in the UK were assessed by postal questionnaire. Anxiety and depressive symptoms were assessed using the Hospital Anxiety and Depression Scale and a threshold score of ≥11 was used to indicate probable caseness. General health was ascertained using the Short Form-12 Health Survey Questionnaire quality of life (QoL) tool; self-reported comorbidities, analgesic usage and body pain; and Index of Multiple Deprivation based on postcode data. Mood was assessed using the Positive and Negative Affect Scale and sleep using the Medical Outcome Survey. Linear regression analysis was used to determine adjusted relative risk with 95% CI and adjusted for age, body mass index, comorbidities, body pain and medication usage.ResultsThe prevalence of depressive symptoms in retired professional footballers was 5.66% compared with 5.76% in the general population and anxiety prevalence was also comparable (12.01% vs 10.29%; all p>0.05). However, footballers had lower physical and mental component scores compared with controls (p<0.01). They also reported significantly more sleep problems, more negative mood profiles and more widespread body pain (adjusted relative risk (aRR) 1.88, 95% CI 1.15 to 3.09). They also reported greater pain medication usage compared with controls (aRR 1.54, 95% CI 1.26 to 1.89). However, compared with controls, they were 26% (95% CI 15% to 37%) less likely to report comorbidities, especially heart attacks (aRR 57%, 95% CI 27% to 74%) and diabetes (aRR 61%, 95% CI 37% to 76%).ConclusionsThe prevalence of depressive symptoms and anxiety symptoms and probable caseness in ex-professional footballers is comparable with general population controls. However, ex-footballers reported lower health-related QoL, more widespread body pain and higher analgesic usage. Conversely, lower reporting of diabetes and heart attacks indicates potential long-term physical health benefits of professional football.

Prevalence of Suicidal Ideation in Sri Lanka

Crisis ◽  
2010 ◽  
Vol 31 (1) ◽  
pp. 30-35 ◽  
Author(s):  
Sudath Samaraweera ◽  
Athula Sumathipala ◽  
Sisira Siribaddana ◽  
S. Sivayogan ◽  
Dinesh Bhugra
Keyword(s):  
Suicidal Ideation ◽  
Sri Lanka ◽  
General Population ◽  
Suicide Attempts ◽  
National Average ◽  
The West ◽  
Suicide Methods ◽  
Suicide Rates ◽  
Completed Suicide ◽  
The World

Background: Suicidal ideation can often lead to suicide attempts and completed suicide. Studies have shown that Sri Lanka has one of the highest rates of suicide in the world but so far no studies have looked at prevalence of suicidal ideation in a general population in Sri Lanka. Aims: We wanted to determine the prevalence of suicidal ideation by randomly selecting six Divisional Secretariats (Dss) out of 17 in one district. This district is known to have higher than national average rates of suicide. Methods: 808 participants were interviewed using Sinhala versions of GHQ-30 and Beck’s Scale for Suicidal Ideation. Of these, 387 (48%) were males, and 421 (52%) were female. Results: On Beck’s Scale for Suicidal Ideation, 29 individuals (4%) had active suicidal ideation and 23 (3%) had passive suicidal ideation. The active suicidal ideators were young, physically ill and had higher levels of helplessness and hopelessness. Conclusions: The prevalence of suicidal ideation in Sri Lanka is lower than reported from the West and yet suicide rates are higher. Further work must explore cultural and religious factors.

scholarly journals Hippocampal regenerative medicine: neurogenic implications for addiction and mental disorders

2021 ◽  
Author(s):  
Lee Peyton ◽  
Alfredo Oliveros ◽  
Doo-Sup Choi ◽  
Mi-Hyeon Jang
Keyword(s):  
Decision Making ◽  
Prefrontal Cortex ◽  
Executive Function ◽  
General Population ◽  
Mental Disorders ◽  
Psychiatric Illness ◽  
Neural Circuitry ◽  
Brain Regions ◽  
Neuropsychiatric Disease ◽  
Motivated Behavior

AbstractPsychiatric illness is a prevalent and highly debilitating disorder, and more than 50% of the general population in both middle- and high-income countries experience at least one psychiatric disorder at some point in their lives. As we continue to learn how pervasive psychiatric episodes are in society, we must acknowledge that psychiatric disorders are not solely relegated to a small group of predisposed individuals but rather occur in significant portions of all societal groups. Several distinct brain regions have been implicated in neuropsychiatric disease. These brain regions include corticolimbic structures, which regulate executive function and decision making (e.g., the prefrontal cortex), as well as striatal subregions known to control motivated behavior under normal and stressful conditions. Importantly, the corticolimbic neural circuitry includes the hippocampus, a critical brain structure that sends projections to both the cortex and striatum to coordinate learning, memory, and mood. In this review, we will discuss past and recent discoveries of how neurobiological processes in the hippocampus and corticolimbic structures work in concert to control executive function, memory, and mood in the context of mental disorders.

scholarly journals Rates and risk factors for suicidal ideation, suicide attempts and suicide deaths in persons with HIV: a systematic review and meta-analysis

2021 ◽  
Vol 34 (2) ◽  
pp. e100247
Author(s):  
Matt Pelton ◽  
Matt Ciarletta ◽  
Holly Wisnousky ◽  
Nicholas Lazzara ◽  
Monica Manglani ◽  
...  
Keyword(s):  
Risk Factors ◽  
Systematic Review ◽  
Suicidal Ideation ◽  
General Population ◽  
Suicide Attempts ◽  
Advanced Disease ◽  
Meta Analysis ◽  
People Living With Hiv ◽  
Meta Regression ◽  
Living With Hiv

BackgroundPeople living with HIV/AIDS (PLWHA) must contend with a significant burden of disease. However, current studies of this demographic have yielded wide variations in the incidence of suicidality (defined as suicidal ideation, suicide attempt and suicide deaths).AimsThis systematic review and meta-analysis aimed to assess the lifetime incidence and prevalence of suicidality in PLWHA.MethodsPublications were identified from PubMed (MEDLINE), SCOPUS, OVID (MEDLINE), Joanna Briggs Institute EBP and Cochrane Library databases (from inception to before 1 February 2020). The search strategy included a combination of Medical Subject Headings associated with suicide and HIV. Researchers independently screened records, extracted outcome measures and assessed study quality. Data were pooled using a random-effects model. Subgroup and meta-regression analyses were conducted to explore the associated risk factors and to identify the sources of heterogeneity. Main outcomes were lifetime incidence of suicide completion and lifetime incidence and prevalence of suicidal ideation and suicide attempt.ResultsA total of 185 199 PLWHA were identified from 40 studies (12 cohorts, 27 cross-sectional and 1 nested case-control). The overall incidence of suicide completion in PLWHA was 10.2/1000 persons (95%CI: 4.5 to 23.1), translating to 100-fold higher suicide deaths than the global general population rate of 0.11/1000 persons. The lifetime prevalence of suicide attempts was 158.3/1000 persons (95%CI: 106.9 to 228.2) and of suicidal ideation was 228.3/1000 persons (95%CI: 150.8 to 330.1). Meta-regression revealed that for every 10-percentage point increase in the proportion of people living with HIV with advanced disease (AIDS), the risk of suicide completion increased by 34 per 1000 persons. The quality of evidence by Grading of Recommendations, Assessment, Development and Evaluations for the suicide deaths was graded as ‘moderate’ quality.ConclusionsThe risk of suicide death is 100-fold higher in people living with HIV than in the general population. Lifetime incidence of suicidal ideation and attempts are substantially high. Suicide risk assessments should be a priority in PLWHA, especially for those with more advanced disease.

scholarly journals Daily sodium consumption and CVD mortality in the general population: systematic review and meta-analysis of prospective studies

2014 ◽  
Vol 18 (4) ◽  
pp. 695-704 ◽  
Author(s):  
Rosana Poggio ◽  
Laura Gutierrez ◽  
María G Matta ◽  
Natalia Elorriaga ◽  
Vilma Irazola ◽  
...  
Keyword(s):  
Systematic Review ◽  
Relative Risk ◽  
General Population ◽  
Prospective Studies ◽  
Meta Analysis ◽  
Cochrane Library ◽  
Random Effects Models ◽  
Meta Regression ◽  
Cvd Mortality

AbstractObjectiveThe purpose of the present study was to determine whether elevated dietary Na intake could be associated with CVD mortality.DesignWe performed a systematic review and meta-analysis of prospective studies representing the general population. The adjusted relative risks and their 95 % confidence intervals were pooled by the inverse variance method using random-effects models. Heterogeneity, publication bias, subgroup and meta-regression analyses were performed.SettingsMEDLINE (since 1973), Embase (since 1975), the Cochrane Library (since 1976), ISI Web of Science, Google Scholar (until September 2013) and secondary referencing were searched for inclusion in the study.SubjectEleven prospective studies with 229 785 participants and average follow-up period of 13·37 years (range 5·5–19 years).ResultsHigher Na intake was significantly associated with higher CVD mortality (relative risk=1·12; 95 % CI 1·06, 1·19). In the sensitivity analysis, the exclusion of studies with important relative weights did not significantly affect the results (relative risk=1·08; 95 % CI 1·01, 1·15). The meta-regression analysis showed that for every increase of 10 mmol/d in Na intake, CVD mortality increased significantly by 1 % (P=0·016). Age, hypertensive status and length of follow-up were also associated with increased CVD mortality.ConclusionsHigher Na intake was associated with higher CVD mortality in the general population; this result suggests a reduction in Na intake to prevent CVD mortality from any cause.

Association between Diabetes Mellitus and the Risk of Herpes Zoster: A Systematic Review and Meta-analysis

2021 ◽  
Author(s):  
Chun-Ta Huang ◽  
Chi-Yu Lee ◽  
Heng-You Sung ◽  
Shu-Jung Liu ◽  
Po-Chih Liang ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
Cardiovascular Disease ◽  
Herpes Zoster ◽  
Relative Risk ◽  
General Population ◽  
Confidence Interval ◽  
Varicella Vaccination ◽  
Cochrane Central Register ◽  
Case Control Studies ◽  
Increased Risk

Abstract Context Individuals with diabetes mellitus (DM) are susceptible to various infections. Objective We estimated the risk of herpes zoster (HZ) among individuals with DM compared to individuals in the general population. Data Sources We searched the PubMed, Embase, Cochrane Database of Systematic Reviews, Cochrane Central Register of Controlled Trails, Cumulative Index to Nursing and Allied Health Literature and PerioPath databases from their inception to January 30, 2021 for studies on the risk of HZ in individuals with DM. Study Selection Two authors independently screened all articles identified. Data Extraction The same two authors independently extracted the data. Four case-control studies and 12 cohort studies were included. Data Synthesis Meta-analyses were performed using fixed and mixed-effects models. In the pooled analysis, individuals with DM had a higher risk of developing HZ (pooled relative risk: 1.38, 95% confidence interval: 1.21–1.57) than individuals in the general population. The results were consistent in subgroup analyses stratified by type of diabetes, age, and study design. In individuals with DM, cardiovascular disease had an additive effect on increasing the risk of HZ (pooled relative risk: 1.19, 95% confidence interval: 1.11–1.28). There was a linear dose-response association between age and the risk of HZ in individuals with DM. Conclusion Individuals with DM have an increased risk of HZ compared to the general population. Varicella vaccination should be provided to individuals with DM regardless of their age, prioritizing older adults and those with cardiovascular disease. Varicella vaccination policies for individuals with DM should be updated based on the evidence.

Does Violence Have Cognitive Correlates?

1987 ◽  
Vol 151 (1) ◽  
pp. 63-68 ◽  
Author(s):  
G. Robertson ◽  
P. J. Taylor ◽  
J. C. Gunn
Keyword(s):  
Cognitive Function ◽  
General Population ◽  
Psychiatric Illness ◽  
Small Extent ◽  
General Intelligence ◽  
Reasoning Ability ◽  
Violent Behaviour ◽  
Cognitive Correlates ◽  
General Ability ◽  
The Relationship

The relationship between cognitive function and violence in 76 remanded prisoners, without formal psychiatric illness, was investigated. The violent group tended to be of slightly lower general ability than the non-violent group, but not abnormally so in relation to the general population; no relationship was found between specific patterns of cognitive functioning and violence. The violent group reported significantly higher levels of neurotic symptoms than the non-violent group, and were more socially deviant. To a small extent general intelligence (reasoning ability), in interaction with many other factors, may be related to a propensity for violent behaviour, but no particular aspect of cortical functioning seems to be related to violence.

The Reporting of Recent Stress in the Lives of Psychiatric Patients

1970 ◽  
Vol 117 (541) ◽  
pp. 635-643 ◽  
Author(s):  
Richard W. Hudgens ◽  
Eli Robins ◽  
W. Bradford Delong
Keyword(s):  
Life Events ◽  
Psychiatric Illness ◽  
Psychiatric Patients ◽  
Causative Role ◽  
Causal Connection ◽  
Specific Question ◽  
Interpersonal Conflicts ◽  
Positive Evidence ◽  
Medically Ill ◽  
Psychiatric Illnesses

Physicians and patients frequently assume a causal connection between life events and subsequent episodes of psychiatric illness. It seems to ‘make sense’ that an illness which is to some extent manifested by disordered emotions could be caused in part by emotion-producing events. But plausibility alone is no proof of the truth of such an assumption. Realizing this, several investigators have conducted systematic studies of the interrelationships of life events and illnesses, both psychiatric and medical. Such work has been reported by Adamson and Schmale (1), Holmes, et al. (3, 7, 9, 10) Brown and Birley (2) Clayton, et al. (4) Morrison, et al. (11) Murphy, et al. (12, 13) and Hudgens, et al. (8). These authors differed regarding the specific question of whether illnesses may be caused by emotion-producing stress. The first six of the above papers presented positive evidence for such a cause-effect relationship. The last four papers reported that psychiatric patients had significantly more interpersonal conflicts than did well persons or medically ill persons, at least while their psychiatric illnesses were in progress; but the latter authors were unable to find evidence that any type of stress, interpersonal or otherwise, played a causative role in the illnesses. Disagreements among all these workers may be traced to differences in both theoretical approach and methodology.

scholarly journals Cigarette Smoking in Renal Transplant Recipients

2000 ◽  
Vol 11 (4) ◽  
pp. 753-759 ◽  
Author(s):  
BERTRAM L. KASISKE ◽  
DAGMAR KLINGER
Keyword(s):  
Cardiovascular Disease ◽  
Relative Risk ◽  
Renal Transplant ◽  
General Population ◽  
Cigarette Smoking ◽  
Graft Failure ◽  
Renal Transplant Recipients ◽  
Adjusted Relative Risk ◽  
Transplant Recipients ◽  
Quit Smoking

Abstract. Cigarette smoking increases the risk for cancer and cardiovascular disease in the general population, but the effects of smoking in renal transplant recipients are unknown. The effects of smoking were investigated among patients transplanted at Hennepin County Medical Center between 1963 and 1997. Information on smoking was available in 1334 patients. The 24.7% prevalence of smoking at the time of transplantation was similar to that in the general population. After adjusting for multiple predictors of graft failure, smoking more than 25 pack-years at transplantation (compared to smoking less than 25 pack-years or never having smoked) was associated with a 30% higher risk of graft failure (relative risk 1.30; 95% confidence interval [CI], 1.04 to 1.63;P= 0.021). Having quit smoking more than 5 yr before transplantation reduced the relative risk of graft failure by 34% (relative risk 0.66; 95% CI, 0.52 to 0.85;P< 0.001). The increase in graft failure was due to an increase in deaths (adjusted relative risk 1.42; 95% CI, 1.08 to 1.87;P= 0.012). The relative risk for major cardiovascular disease events with smoking 11 to 25 pack-years at transplant was 1.56 (95% CI, 1.06 to 2.31;P= 0.024), whereas that of smoking more than 25 pack-years was 2.14 (95% CI, 1.49 to 3.08;P< 0.001). The relative risk of invasive malignancies was 1.91 (95% CI, 1.05 to 3.48;P= 0.032). Smoking had no discernible effect on the rate of return to dialysis or on serum creatinine during the first year after transplantation. Thus, cigarette smoking is associated with an increased risk of death after renal transplantation. The effects of smoking appear to dissipate 5 yr after quitting. These results indirectly suggest that greater efforts to encourage patients to quit smoking before transplantation may decrease morbidity and mortality.

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