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Age, period and cohort trends in drug abuse hospitalizations within the total Swedish population (1975-2010).

ABSTRACT: The societal consequences of drug abuse (DA) are severe and well documented, the World Health Organization recommending tracking of population trends for effective policy responses in treatment of DA and delivery of health care services. However, to correctly identify possible sources of DA change, one must first disentangle three different time-related influences on the need for treatment due to DA: age effects, period effects and cohort effects.We constructed our main Swedish national DA database (spanning four decades) by linking healthcare data from the Swedish Hospital Discharge Register to individuals, which included hospitalisations in Sweden for 1975-2010. All hospitalized DA cases were identified by ICD codes. Our Swedish national sample consisted of 3078,129 men and 2921,816 women. We employed a cross-classified multilevel logistic regression model to disentangle any net age, period and cohort effects on DA hospitalization rates.We found distinct net age, period and cohort effects, each influencing the predicted probability of hospitalisation for DA in men and women. Peak age for DA in both sexes was 33-35 years; net period effects showed an increase in hospitalisation for DA from 1996 to 2001; and in birth cohorts 1968-1974, we saw a considerable reduction (around 75%) in predicted probability of hospitalisation for DA.The use of hospital admissions could be regarded as a proxy of the population's health service use for DA. Our results may thus constitute a basis for effective prevention planning, treatment and other appropriate policy responses.

SUBMITTER: Giordano GN

PROVIDER: S-EPMC3909834 | biostudies-literature | 2014 Jan

REPOSITORIES: biostudies-literature

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Age, period and cohort trends in drug abuse hospitalizations within the total Swedish population (1975-2010).

Giordano Giuseppe N GN Ohlsson Henrik H Kendler Kenneth S KS Winkleby Marilyn A MA Sundquist Kristina K Sundquist Jan J

Drug and alcohol dependence 20131119

<h4>Background</h4>The societal consequences of drug abuse (DA) are severe and well documented, the World Health Organization recommending tracking of population trends for effective policy responses in treatment of DA and delivery of health care services. However, to correctly identify possible sources of DA change, one must first disentangle three different time-related influences on the need for treatment due to DA: age effects, period effects and cohort effects.<h4>Methods</h4>We constructed ...[more]

PMID: 24300899

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Project description:The first Attenuated rubella vaccine was developed by Parkman and Meyer in 1966. Ten years later in the 1975s, the rubella vaccine was developed in Razi Vaccine and serum research institute) RVSRI). In 1977, the rubella TAKAHASHI vaccine successfully passed the clinical trial and was initially used voluntarily only in the private sector. Since 1987, the administration of rubella as MMR (Measles/AIK-C; Rubella/TAKAHASHI; Mumps/HOSHINO) strain vaccine has been included in the immunization program in Iran. This review article focused on the development and production of the rubella TAKAHASHI/HDC vaccine in RVSRI. The herd immunity and rubella cases were investigated in the pre- and post-vaccine era. The effectiveness and proper coverage of the rubella vaccine led to the elimination of rubella from Iran in 2019. The current study aimed to assess local rubella vaccine manufacturing and its consequences on rubella elimination from Iran, using various search engines. A complete search was carried out in medical databases, including PubMed, Scopus, Web of Science, Scientific Information Database, IranMedex, Magiran, and Google Scholar. Within 1972-1975, Rubella TAKAHASHI/HDC vaccine was developed by RVSRI and successfully passed clinical trial in 1977. Over the four last decades (1980-2020), more than 40 million infants, young, and adults were vaccinated by million doses of local Rubella, measles-rubella (MR) or measles-mumps-rubella (MMR) vaccine in Iran. In 1972, the pre-vaccine era, the overall sensitivity to rubella infection was 69% in one-year-old Iranian children and 23% in childbearing women. The use of a safe, inexpensive, and effective vaccine increased herd immunity to 95% (85%-99%) in our country. During the last two decades, we have witnessed a 91% decline in the confirmed rubella cases, from 1124 in 2000 to 33 cases in 2018. The current article presented the process of vaccine development, tracked it through more than four decades, and discussed disease status before and after the rubella vaccine era, as well as the history of its elimination from Iran. The effectiveness of the local Razi Rubella vaccine resulted in a significant increase in seroprevalence in Iran. Expanded vaccination against rubella, usually with measles, has led to the elimination of Rubella from Iran as confirmed by World Health Organization in 2019.

Dataset Information

Age, period and cohort trends in drug abuse hospitalizations within the total Swedish population (1975-2010).

Publications

Age, period and cohort trends in drug abuse hospitalizations within the total Swedish population (1975-2010).

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