In the community, epilepsy is associated with an increased prevalence of mental health disorders compared with the general population. Epilepsy is also associated with a higher prevalence of suicidal ideation. Understanding the psychiatric correlates of epilepsy is important to adequately manage this patient population.
The prevalence of major depression in the population with MS is elevated. This elevation is not an artifact of selection bias and exceeds that associated with having one or more other long-term conditions.
Background.-Migraine is common, with an estimated lifetime prevalence of 7-17%. Population-based studies have reported an association between various psychiatric conditions and migraine. This is a population-based study exploring the association between migraine and psychiatric disorders in a large cohort and assessing various health-related outcomes.Objective.-(1) Determine the prevalence of various psychiatric conditions in association with migraine; (2) describe the patterns of association of these comorbidities with a variety of health-related outcomes.Methods.-Data from the 2002 Canadian Community Health Survey were used. This is a national health survey which included administration of the World Mental Health Composite International Diagnostic Interview to a sample of 36,984 subjects. Health-related outcomes included 2-week disability, restriction of activities, quality-of-life, and mental health care utilization.Results.-The prevalence of physician-diagnosed migraine (n = 36,984) was 15.2% for females and 6.1% for males. Migraine was most common in those between ages 25 and 44 years and in those of lower income. Migraine was associated with major depressive disorder, bipolar disorder, panic disorder, and social phobia, all occurring more than twice as often in those with migraines compared with those without. Migraine was not associated with drug, alcohol, or substance dependence. The higher prevalence of psychiatric disorders in migraineurs was not related to sociodemographic variables. Psychiatric disorders were less common in those over 65 years, in those who were in a relationship, and in those of higher income whether migraine was present or not. Health-related outcomes were worst in those with both migraines and a psychiatric disorder and intermediate in those with either condition alone.Conclusion.-Migraine is associated with major depressive disorder, bipolar disorder, panic disorder, and social phobia. Migraine in association with various mental health disorders results in poorer health-related outcomes compared with migraine or a psychiatric condition alone. Understanding the psychiatric correlates of migraine is important in order to adequately manage this patient population and to guide public health policies regarding health services utilization and health-care costs.
Method: All estimates used appropriate sampling weights and bootstrap variance estimation procedures. The analysis consisted of estimating proportions supplemented by logistic regression modelling.
Results:The lifetime prevalence of major depressive episode was 12.2%. Past-year episodes were reported by 4.8% of the sample; 1.8% reported an episode in the past 30 days. As expected, major depression was more common in women than in men, but the difference became smaller with advancing age. The peak annual prevalence occurred in the group aged 15 to 25 years. The prevalence of major depression was not related to level of education but was related to having a chronic medical condition, to unemployment, and to income. Married people had the lowest prevalence, but the effect of marital status changed with age. Logistic regression analysis suggested that the annual prevalence may increase with age in men who never married.
Conclusions:The prevalence of major depression in the CCHS 1.2 was slightly lower than that reported in the US and comparable to pan-European estimates. The pattern of association with demographic and clinical variables, however, is broadly similar. An increasing prevalence with age in single (never-married) men was an unexpected finding.
Clinical Implications· The CCHS 1.2 replicated several previously reported associations between major depression and demographic and clinical variables. · The lifetime, annual, and point (30-day) prevalences of major depression distribute differently in different age groups. · The association of marital status and sex with major depression differs across different age groups.
Limitations· The CCHS 1.2 was a cross-sectional survey. The associations observed do not necessarily reflect causal effects. · While the version of the CIDI used in the CCHS 1.2 is the latest one, few validation data for this interview have been published. · The CIDI is a fully structured interview, making its administration possible by nonclinicians, but it is a crude instrument in the sense that it cannot incorporate clinical judgment.
BackgroundThe use of complementary and alternative medicine (CAM) is becoming more common, but population-based descriptions of its patterns of use are lacking. This study aimed to determine the prevalence of CAM use in the general population and for those with asthma, diabetes, epilepsy and migraine.MethodsData from cycles 1.1, 2.1 and 3.1 of the Canadian Community Health Survey (CCHS) were used for the study. The CCHS is a national cross-sectional survey administered to 400,055 Canadians aged ≥12 between 2001-2005. Self-reported information about professionally diagnosed health conditions was elicited. CCHS surveys use a multistage stratified cluster design to randomly select a representative sample of Canadian household residents. Descriptive data on the utilization of CAM services was calculated and logistic regression was used to determine what sociodemographic factors predict CAM use.ResultsWeighted estimates show that 12.4% (95% Confidence Interval (CI): 12.2-12.5) of Canadians visited a CAM practitioner in the year they were surveyed; this rate was significantly higher for those with asthma 15.1% (95% CI: 14.5-15.7) and migraine 19.0% (95% CI: 18.4-19.6), and significantly lower for those with diabetes 8.0% (95% CI: 7.4-8.6) while the rate in those with epilepsy (10.3%, 95% CI: 8.4-12.2) was not significantly different from the general population.ConclusionA large proportion of Canadians use CAM services. Physicians should be aware that their patients may be accessing other services and should be prepared to ask and answer questions about the risks and benefits of CAM services in conjunction with standard medical care.
A diverse set of long-term medical conditions are associated with MD, although previous studies might have lacked power to detect some of these associations. The strength of association in prevalence data, however, varies across specific conditions.
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