MHLU - Health Status Resource

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Glossary:

A (6) | B (3) | C (6) | D (2) | E (2) | F (2) | G (1) | H (6) | I (10) | K (1) | L (7) | M (4) | N (3) | O (3) | P (10) | R (2) | S (16) | T (4) | U (1) | V (1) | W (3) | Y (1)

Leisure Time Activity Level

This variable is a measure of the average daily energy expended during leisure time activities by the respondent in the past three months.

Energy Expenditure (EE) is calculated using the frequency and duration per session of the physical activity as well as the MET value of the activity. The MET is a value of metabolic energy cost expressed as a multiple of the resting metabolic rate.

(CCHS Derived Variable document 2009/10)

Life Expectancy

The average length of time that an individual will live if subjected to the mortality experience for the specified population and time period.

Limitations of Survey Data

Self-reported survey data is valuable because it assesses behaviours in the population, data not usually collected elsewhere, but it is not the most reliable source of health data.  People are not always aware of or truthful about their health behaviours, their height and their weight when asked in a survey.

Low Birth Weight Rate

The number of live births with a birth weight of less than 2,500 grams, per 100 live births.

Low Income Cut-Off

Low income cut‐offs (LICOs) are income thresholds, determined by analyzing trends in family spending. Values below the low income cut-off indicate that individuals or families may be devoting a larger share of income than the average family on the necessities of food, shelter and clothing. The LICO is reported based on after-tax income.

Low Risk Drinking Guidelines

Canada's Low Risk Drinking Guidelines indicate no more than 2 standard drinks on any one day for women and no more than 3 standard drinks on any one day for men with a maximum of 10 and 15 standard drinks a week for women and men, respectively. A couple of days with no alcohol drinking should be taken each week. (http://www.ccsa.ca/Eng/topics/alcohol/drinking-guidelines/Pages/default.aspx)

Middlesex-London

Middlesex-London, as referred to in this resource, includes the City of London and the County of Middlesex and is the region served by the Middlesex-London Health Unit.  

Mother Tongue

First language learned in childhood and still understood at the time of the Census.

Moving Average

Method of smoothing irregularities in trend data, such as long term trends in incidence or mortality.  Moving averages make it easier to understand long-term trends in rates that otherwise might be masked by short-term fluctuations (Last, 4 ed). 

Multiple live birth rate

The number of multiple live births per 100 live births.

Need for Help with Instrumental Activities of Daily Living

This classifies respondents according to their need for help (because of health reasons) with instrumental activities of daily living such as preparing meals, shopping for groceries or other necessities, doing everyday housework, doing heavy household chores (washing walls, yard work), and personal care (washing, dressing or eating), moving about inside the house or paying bills.

Nitrogen Dioxide

Ambient nitrogen dioxide (NO2) is derived from oxidized nitrogen oxide (NO) and is generally a marker of combustion related air pollution, including power and chemical plants and traffic emissions. Adverse health effects may come from NO2 itself or its many secondary reaction products including ozone (O3).

Nutritious Food Basket

The nutritious food basket provides information about the approximate cost of eating healthy. The weekly cost of food is based on a survey of 67 food items from 12 local chains and independent grocery stores. The food items included in the survey are determined by the food buying patterns of the average Canadian and data provided by Statistics Canada. 

Ontario Cancer Registry

Cancer Care Ontario provides access to the Ontario Cancer Registry through SEERStat software (Release [6.6.2] February, 2011). The Registry is a database of information on all Ontario residents who have been newly diagnosed with cancer (incidence) or who have died of cancer (mortality). The Registry is populated from four main data sources: hospital discharges and emergency care, pathology reports, regional cancer centre records, and death certificates. All new cancer cases are registered, with the exception of non-melanoma skin cancer.

Other Data Sources

Internal databases maintained at the Middlesex-London Health Unit provided data on:

  • Vector Borne Disease surveillance;
  • Rabies investigations;
  • Food handler certification;
  • Extreme Temperature Alerts;
  • The Ministry of Transportation of Ontario (MTO) provided data on motor-vehicle collisions.
  • Information on air quality (poor air quality and smog advisories) was obtained through the Ontario Ministry of the Environment.
  • Diabetes prevalence rates and rates of chronic diseases by income quintile was provided by the ICES InTool.

Ozone

Ozone (O3) is created when nitrogen oxides and volatile organic compounds combine in the presence of sunlight.  High ozone occurs primarily in the summer, though over time levels of ozone are also increasing in the winter in Southern Ontario. Ozone is associated with adverse effects on respiratory symptoms and lung function. http://airqualityontario.com/press/faq.php

Particulate Matter

Small airborne solid particles are referred to as fine particulate matter (PM2.5) and may contain harmful aerosols, combustion particles and metal vapours. These particles, measuring less than 2.5 μg in diameter, can penetrate deep into the lungs and damage tissues through chronic inflammation.

Peer Group

The grouping of Ontario public health units with socio-economic characteristics similar to those of Middlesex-London. It is based on the 2015 Statistics Canada Peer Group A that includes health regions from across Canada that are characterized by having population centres with high population density and a rural mix.

Per 100,000 Population

A rate which is provided per 100,000 population means that the value of the rate represents the number of events which would occur for every 100,000 people in a specified population.  

Perceived Health

This concept indicates the respondent's health status based on his or her own judgement.  It comes from a survey question asked in the Canadian Community Health Survey of the whole non-institutionalized population aged 12 or older. 

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