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Description: To build data capacity and address the U.S. opioid public health emergency, the National Center for Health Statistics received funding for two projects. The projects involve development of algorithms that use all available structured and unstructured data submitted for the 2016 National Hospital Care Survey (NHCS) to enhance identification of opioid-involvement and the presence of co-occurring disorders (coexistence of a substance use disorder and a mental health issue). A description of the algorithm development process is provided, and lessons learned from integrating data science methods like natural language processing to produce official statistics are presented. Efforts to make the algorithms and analytic datafiles accessible to researchers are also discussed.

Key Words: Opioids; Co-Occurring Disorders; Data Science; Natural Language Processing; Hospital Care

Description:

This study provides new evidence on TB-related hospitalizations among new immigrants to Canada. It uses a unique linked data file (2000-to-2013 Longitudinal Immigration Database (IMDB) linked to the Canadian Institute for Health Information's Discharge Abstract Database (DAD) from 2001/2002 to 2013/2014) that brings together information from immigrant landing records and hospital data for a maximum of 13 years to identify a TB-related hospital event after landing. Specifically, this paper provides a profile of the timing of TB-related acute care hospitalization, starting from the time of landing among immigrants who officially landed in Canada from 2000 to 2013, as well as an estimation of the burden of TB hospital care in Canada incurred by these recent immigrants relative to the total Canadian population.

Description:

Hospitalization rates are among commonly reported statistics related to health-care service use. The variety of methods for calculating confidence intervals for these and other health-related rates suggests a need to classify, compare and evaluate these methods. Zeno is a tool developed to calculate confidence intervals of rates based on several formulas available in the literature. This report describes the contents of the main sheet of the Zeno Tool and indicates which formulas are appropriate, based on users’ assumptions and scope of analysis.

Description:

This study uses an area-based approach to identify acute myocardial infarction hospital patients who live in Dissemination Areas with relatively high percentages of First Nations residents. Within the patient cohort, procedures received during the hospital admission were identified.

Description:

About one in five Canadians have suffered from a mental condition at some point in their lives. Like other health conditions, mental conditions represent an economic burden to society, and costs are often comparable to physical conditions such as heart disease. Expenditures on mental conditions and addictions for Canadian provinces in 2003/2004 were $6.6 billion, of which $5.5 billion was from public sources.

Major psychiatric conditions are often associated with physical comorbidity - in particular, diabetes, cardiovascular disease, high blood pressure and respiratory conditions. Reasons for this association are diverse, and not fully understood. Many health conditions increase the risk for a mental condition. Mental comorbidity can complicate help-seeking, diagnosis, and treatment, and it influences prognosis. Hence understanding the burden of mental conditions as a comorbid condition among those with physical morbidities is important.

This report represents an assessment of a comprehensive set of factors associated with acute-care hospitalizations for mental conditions in Canada. The first part explores the overall burden of a mental condition as the most responsible condition (the condition considered most responsible for the hospitalization) and as a comorbid condition (a diagnosed condition other than the most responsible for the hospitalization) in acute-care hospitals in Canada. It presents the number of hospitalizations, the number of hospital days and the average length of stay of a hospitalization. In the second part, linked health survey and hospital data are used to describe the socioeconomic and lifestyle factor characteristics of patients who were admitted to an acute-care hospital with a mental condition within four years after responding to the survey.

Description:

This special methodological paper will help readers understand and assess reports that rank the health status or health system performance of a country, province or jurisdiction. The report outlines the components and processes that underlie health rankings, explores why such rankings can be difficult to interpret and includes a plain-language checklist to use as a critical evaluative resource when reading health-ranking reports.

Description:

The National Population Health Survey (NPHS) used the Labour Force Survey sampling frame to draw the initial sample of approximately 20,000 households starting in 1994 and for the sample top-up this third cycle. The survey is conducted every two years. The sample collection is distributed over four quarterly periods followed by a follow-up period and the whole process takes a year. In each household, some limited health information is collected from all household members and one person in each household is randomly selected for a more in-depth interview.

The survey is designed to collect information on the health of the Canadian population and related socio-demographic information. The first cycle of data collection began in 1994, and continues every second year thereafter. The survey is designed to produce both cross-sectional and longitudinal estimates. The questionnaires includes content related to health status, use of health services, determinants of health, a health index, chronic conditions and activity restrictions. The use of health services is probed through visits to health care providers, both traditional and non-traditional, and the use of drugs and other mediciations. Health determinants include smoking, alcohol use and physical activity. A special focus content for this cycle includes family medical history with questions about certain chronic conditions among immediate family members and when they were acquired. As well, a section on self care has also been included this cycle. The socio-demographic information includes age, sex, education, ethnicity, household income and labour force status.

Description:

This article examines trends in teenage pregnancy in Canada, focussing on induced abortions, live births and fetal loss among women aged 15 to 19 in 1997.

Description:

This article examines changes in household spending on health care between 1978 and 1998. It also provides a detailed look at household spending on health care in 1998.

Description:

The National Population Health Survey (NPHS) uses the Labour Force Survey sampling frame to draw a sample of approximately 22,000 households. The sample is distributed over four quarterly collection periods. In each household, some limited information is collected from all household members and one person, aged 12 years and over, in each household is randomly selected for a more in-depth interview.

The questionnaire includes content related to health status, use of health services, determinants of health and a range of demographic and economic information. For example, the health status information includes self-perception of health, a health status index, chronic conditions, and activity restrictions. The use of health services is probed through visits to health care providers, both traditional and non-traditional, and the use of drugs and other medications. Health determinants include smoking, alcohol use, physical activity and in the first survey, emphasis has been placed on the collection of selected psycho-social factors that may influence health, such as stress, self-esteem and social support. The demographic and economic information includes age, sex, education, ethnicity, household income and labour force status.

Description:

The National Population Health Survey (NPHS) used the Labour Force Survey sampling frame to draw the initial sample of approximately 20,000 households starting in 1994 and for the sample top-up this third cycle. The survey is conducted every two years. The sample collection is distributed over four quarterly periods followed by a follow-up period and the whole process takes a year. In each household, some limited health information is collected from all household members and one person in each household is randomly selected for a more in-depth interview.

The survey is designed to collect information on the health of the Canadian population and related socio-demographic information. The first cycle of data collection began in 1994, and continues every second year thereafter. The survey is designed to produce both cross-sectional and longitudinal estimates. The questionnaires includes content related to health status, use of health services, determinants of health, a health index, chronic conditions and activity restrictions. The use of health services is probed through visits to health care providers, both traditional and non-traditional, and the use of drugs and other mediciations. Health determinants include smoking, alcohol use and physical activity. A special focus content for this cycle includes family medical history with questions about certain chronic conditions among immediate family members and when they were acquired. As well, a section on self care has also been included this cycle. The socio-demographic information includes age, sex, education, ethnicity, household income and labour force status.

Description:

The National Population Health Survey (NPHS) uses the Labour Force Survey sampling frame to draw a sample of approximately 22,000 households. The sample is distributed over four quarterly collection periods. In each household, some limited information is collected from all household members and one person, aged 12 years and over, in each household is randomly selected for a more in-depth interview.

The questionnaire includes content related to health status, use of health services, determinants of health and a range of demographic and economic information. For example, the health status information includes self-perception of health, a health status index, chronic conditions, and activity restrictions. The use of health services is probed through visits to health care providers, both traditional and non-traditional, and the use of drugs and other medications. Health determinants include smoking, alcohol use, physical activity and in the first survey, emphasis has been placed on the collection of selected psycho-social factors that may influence health, such as stress, self-esteem and social support. The demographic and economic information includes age, sex, education, ethnicity, household income and labour force status.

Description: To build data capacity and address the U.S. opioid public health emergency, the National Center for Health Statistics received funding for two projects. The projects involve development of algorithms that use all available structured and unstructured data submitted for the 2016 National Hospital Care Survey (NHCS) to enhance identification of opioid-involvement and the presence of co-occurring disorders (coexistence of a substance use disorder and a mental health issue). A description of the algorithm development process is provided, and lessons learned from integrating data science methods like natural language processing to produce official statistics are presented. Efforts to make the algorithms and analytic datafiles accessible to researchers are also discussed.

Key Words: Opioids; Co-Occurring Disorders; Data Science; Natural Language Processing; Hospital Care

Description:

This study provides new evidence on TB-related hospitalizations among new immigrants to Canada. It uses a unique linked data file (2000-to-2013 Longitudinal Immigration Database (IMDB) linked to the Canadian Institute for Health Information's Discharge Abstract Database (DAD) from 2001/2002 to 2013/2014) that brings together information from immigrant landing records and hospital data for a maximum of 13 years to identify a TB-related hospital event after landing. Specifically, this paper provides a profile of the timing of TB-related acute care hospitalization, starting from the time of landing among immigrants who officially landed in Canada from 2000 to 2013, as well as an estimation of the burden of TB hospital care in Canada incurred by these recent immigrants relative to the total Canadian population.

Description:

Hospitalization rates are among commonly reported statistics related to health-care service use. The variety of methods for calculating confidence intervals for these and other health-related rates suggests a need to classify, compare and evaluate these methods. Zeno is a tool developed to calculate confidence intervals of rates based on several formulas available in the literature. This report describes the contents of the main sheet of the Zeno Tool and indicates which formulas are appropriate, based on users’ assumptions and scope of analysis.

Description:

This study uses an area-based approach to identify acute myocardial infarction hospital patients who live in Dissemination Areas with relatively high percentages of First Nations residents. Within the patient cohort, procedures received during the hospital admission were identified.

Description:

About one in five Canadians have suffered from a mental condition at some point in their lives. Like other health conditions, mental conditions represent an economic burden to society, and costs are often comparable to physical conditions such as heart disease. Expenditures on mental conditions and addictions for Canadian provinces in 2003/2004 were $6.6 billion, of which $5.5 billion was from public sources.

Major psychiatric conditions are often associated with physical comorbidity - in particular, diabetes, cardiovascular disease, high blood pressure and respiratory conditions. Reasons for this association are diverse, and not fully understood. Many health conditions increase the risk for a mental condition. Mental comorbidity can complicate help-seeking, diagnosis, and treatment, and it influences prognosis. Hence understanding the burden of mental conditions as a comorbid condition among those with physical morbidities is important.

This report represents an assessment of a comprehensive set of factors associated with acute-care hospitalizations for mental conditions in Canada. The first part explores the overall burden of a mental condition as the most responsible condition (the condition considered most responsible for the hospitalization) and as a comorbid condition (a diagnosed condition other than the most responsible for the hospitalization) in acute-care hospitals in Canada. It presents the number of hospitalizations, the number of hospital days and the average length of stay of a hospitalization. In the second part, linked health survey and hospital data are used to describe the socioeconomic and lifestyle factor characteristics of patients who were admitted to an acute-care hospital with a mental condition within four years after responding to the survey.

Description:

This article examines trends in teenage pregnancy in Canada, focussing on induced abortions, live births and fetal loss among women aged 15 to 19 in 1997.

Description:

This article examines changes in household spending on health care between 1978 and 1998. It also provides a detailed look at household spending on health care in 1998.

Description:

This special methodological paper will help readers understand and assess reports that rank the health status or health system performance of a country, province or jurisdiction. The report outlines the components and processes that underlie health rankings, explores why such rankings can be difficult to interpret and includes a plain-language checklist to use as a critical evaluative resource when reading health-ranking reports.