Cohabitation patterns among patients with severe psychiatric disorders in the entire Danish population
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Cohabitation patterns among patients with severe psychiatric disorders in the entire Danish population. / Thomsen, A F; Olsbjerg, M; Andersen, P K; Kessing, L V.
I: Psychological Medicine, 2012, s. 1-9.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Cohabitation patterns among patients with severe psychiatric disorders in the entire Danish population
AU - Thomsen, A F
AU - Olsbjerg, M
AU - Andersen, P K
AU - Kessing, L V
PY - 2012
Y1 - 2012
N2 - BACKGROUND: Assortative mating has been demonstrated in mental disorders but the extent of cohabitation between patients with clinically diagnosed psychiatric disease has been poorly explored. Method We conducted a register-based study of all Danes between 18 and 70 years of age in a 13-year observational period, linking data on individuals' contacts with psychiatric services with data on individuals' cohabitation status. Two different Poisson regression analyses were performed: the first comparing the rates of commencing cohabitation with a psychiatric patient between individuals, depending on whether the individuals themselves had, or did not have, a psychiatric diagnosis; the second comparing the incidence rates of psychiatric diagnoses for individuals cohabitating with psychiatric patients with the similar rates for individuals living with unaffected cohabitants. RESULTS: In total, 159 929 (5.0%) out of 3 204 633 individuals were given a psychiatric diagnosis during the study period. Diagnosed individuals had an overall rate ratio (RR) of commencing cohabitation with a psychiatric patient of 1.95 [95% confidence interval (CI) 1.90-2.00] for women and 1.65 (95% CI 1.61-1.69) for men, when compared with unaffected individuals. The overall RR of receiving a psychiatric diagnosis while cohabitating with a psychiatric patient was 2.40 (95% CI 2.31-2.49) for women and 2.91 (95% CI 2.81-3.01) for men, when compared with those cohabitating with unaffected individuals. Individuals with schizophrenia and men with bipolar disorder had the highest RR of commencing cohabitation with a cohabitant with a similar diagnosis. CONCLUSIONS: Cohabitation among individuals with severe psychiatric disorders is increased. This has implications for research and for the clinical management of patients.
AB - BACKGROUND: Assortative mating has been demonstrated in mental disorders but the extent of cohabitation between patients with clinically diagnosed psychiatric disease has been poorly explored. Method We conducted a register-based study of all Danes between 18 and 70 years of age in a 13-year observational period, linking data on individuals' contacts with psychiatric services with data on individuals' cohabitation status. Two different Poisson regression analyses were performed: the first comparing the rates of commencing cohabitation with a psychiatric patient between individuals, depending on whether the individuals themselves had, or did not have, a psychiatric diagnosis; the second comparing the incidence rates of psychiatric diagnoses for individuals cohabitating with psychiatric patients with the similar rates for individuals living with unaffected cohabitants. RESULTS: In total, 159 929 (5.0%) out of 3 204 633 individuals were given a psychiatric diagnosis during the study period. Diagnosed individuals had an overall rate ratio (RR) of commencing cohabitation with a psychiatric patient of 1.95 [95% confidence interval (CI) 1.90-2.00] for women and 1.65 (95% CI 1.61-1.69) for men, when compared with unaffected individuals. The overall RR of receiving a psychiatric diagnosis while cohabitating with a psychiatric patient was 2.40 (95% CI 2.31-2.49) for women and 2.91 (95% CI 2.81-3.01) for men, when compared with those cohabitating with unaffected individuals. Individuals with schizophrenia and men with bipolar disorder had the highest RR of commencing cohabitation with a cohabitant with a similar diagnosis. CONCLUSIONS: Cohabitation among individuals with severe psychiatric disorders is increased. This has implications for research and for the clinical management of patients.
U2 - 10.1017/S003329171200181X
DO - 10.1017/S003329171200181X
M3 - Journal article
C2 - 22892210
SP - 1
EP - 9
JO - Psychological Medicine
JF - Psychological Medicine
SN - 0033-2917
ER -
ID: 48496500