Map of Simcoe Muskoka

Mental Health

Substance Use Disorders

Key Messages
Hospital Admission Trends Over Time
Hospital Admissions by Age and Sex
Hospital Admissions and Marginalization
Emergency Department Visit Trends Over Time
Emergency Department Visits by Age and Sex
Emergency Department Visits and Marginalization
Reasons for Admission or Visit
Technical Notes

Key Messages

  • Substance use disorder-related emergency department visits among Simcoe Muskoka residents nearly doubled from 2011 to 2018, while the rate of hospital admissions remained the same.
  • and in those who lived in areas with higher levels of deprivation.
  • The age-specific rates of hospital admissions were higher in Simcoe Muskoka than in Ontario, however, the rate of emergency department visits was lower in Simcoe Muskoka.

Hospital Admission Trends Over Time

  • In 2018, the age-standardized rate of substance use disorder-related hospital admissions was 97 (89.0, 105.6) per 100,000 persons in Simcoe Muskoka.
  • This is significantly higher than the Ontario rate of 87 (85.9, 89.0) per 100,000 persons.
  • From 2011 to 2018, there were an average of 550 substance use disorder-related hospital admissions per year among Simcoe Muskoka residents, this did not change significantly over time.
  • There was a significant increase in the provincial rate of substance use disorder-related hospital admissions from 2011 to 2018. This change was not evident in Simcoe Muskoka.

MHSUD_Hosp_AgeStd2011to2015_20180329

Hospital Admissions by Age and Sex

  • For 2014 to 2018, combined, the age standardized rate of substance use disorder-related hospital admissions in Simcoe Muskoka among males was 131 (125.3, 137.7) per 100,000 persons.
  • This was significantly higher than the rate among females with 78 (73.3, 82.9) per 100,000 persons.
  • Adults aged 20 to 44 years had the highest age-specific rate of substance use disorder-related hospital admissions, with 159 (150.4, 167.5) per 100,000 persons.
  • The pattern of age and sex-specific rates across Ontario were similar to the rates in Simcoe Muskoka.

MHSUD_Hosp_AgeStdbyGender_20180329

MHSUD_Hosp_AgeSpec_20180329

Hospital Admissions by Marginalization

  • Hospital admissions for substance use disorders were highest among people living in areas with the highest level of material deprivation.
  • From 2014 to 2018, there were 212 (196.4, 228.1) substance use disorder-related hospital admissions per 100,000 people who live in areas with the highest levels of material deprivation.

MHSUD_Hosp_AgeStdbyQuint

Emergency Department Visits Trends Over Time

  • The number of substance use disorder-related emergency department visits in Simcoe Muskoka residents nearly doubled from around 1,700 in 2011 to 3,200 in 2018.
  • The age-standardized rate for substance use disorder-related emergency department visits increased from 328 (312.0, 343.9) visits per 100,000 persons in 2011 to 583 (562.8, 603.6) visits per 100,000 in 2018 among Simcoe Muskoka residents.
  • This was significantly lower than the provincial rate with 650 (646.2, 654.7) substance use disorder-related emergency department visits per 100,000 persons.

MHSUD_ED_AgeStd2011to2015_20180329

Emergency Department Visits by Age and Sex

  • From 2014 to 2018, there was a significantly higher rate of emergency department visits related to substance use disorders among males, with an age-standardized rate of 636 (622.2, 649.4) per 100,000 males compared to 412 (401.1, 423.4) per 100,000 among females in Simcoe Muskoka.
  • There was a wider gap in age-standardized rates between males and females provincially, compared to among Simcoe Muskoka residents.
  • Adults aged 20-44 had significantly higher rates of emergency department visits related to substance use disorder, with an age-specific rate of 870 (840.1, 889.8) visits per 100,000 persons in Simcoe Muskoka, and 944 (939.7, 947.6) visits per 100,000 persons in Ontario.
  • The lowest rates were among those aged 75 and older, with 133 (117.7, 148.8) visits per 100,000 persons in Simcoe Muskoka.

MHSUD_EmergDept_AgeStdbyGender

MHSUD_ED_AgeSpec_20180329

Emergency Department Visits and Marginalization

  • The age-standardized rate of substance use disorder-related emergency department visits was almost three times higher among those living in the most deprived areas with 1,007 visits per 100,000 population (972.6, 1,041.4) in Simcoe Muskoka compared to those living in the least deprived areas with 349 visits per 100,000 population (327.7, 371.7).

MHSUD_ED_AgeStd_MatDep

Reasons for Admission or Visit

  • The most common diagnoses among substance use disorder-related hospital admissions and emergency department visits were for alcohol-related disorders.

Technical Notes

Substance use disorders occur in situations of problematic substance use (alcohol and/or drugs) which lead to disruptions of daily living including health problems, disability, and failure to meet responsibilities. Substance use disorders are often diagnosed concurrent to other mental illnesses such as anxiety, and are often linked to prior stressful or traumatic events.

The specific diagnostic codes used to identify substance use disorder-related hospital admissions and emergency department visits are presented on the OMHRS data source page.

Further Reading

For more information on substance use and substance use related disorders, see:

Page Last Modified: September 28, 2020.