Comparison of 5 EDI Cycles
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Comparison of 5 EDI Cycles

Five cycles of Early Development Instrument (EDI) implementation have now been completed across the province of Ontario in Windsor and Essex County. Cycle 1 was completed between 2004–2006, Cycle 2 in the 2007/2008 school year, Cycle 3 in 2011/2012, Cycle 4 in 2014/2015 and Cycle 5 in 2017/2018.

The chart below shows how EDI scores from children in Windsor-Essex compared to the provincial averages.

Windsor-Essex County: Five Cycle EDI Results
Lowest 10% based on the Ontario baseline cut offs

Vulnerability Summary

Ontario Baseline

Windsor Essex
Cycle 1:
(2005-2006)

Windsor Essex
Cycle 2:
(2007-2008)

Windsor Essex
Cycle 3:
(2011-2012)

Windsor Essex
Cycle 4:
(2014-2015)

Windsor Essex
Cycle 5:
(2017-2018)

​Low on at least 1 domain

29.6%

23.9%

23.2%

​21.1%

​24.9%

28.1%

​Low on 2 or more domains

13.9%

11.6%

​11.5%

9.9%

11.8%

13.5%

​Multiple Challenge Index

3.5%

​2.9%

​2.4%

​2.0%

​2.8%

3.3%

​Communication Skills & General Knowledge

10%

9.1%

9.2%

7.5%

7.4%

9.1%

​Emotional Health & Maturity

11.3%

8.6%

8.4%

8.6%

​10.7%

10.8%

​Language & Cognitive Development

7.5%

9.4%

​7.6%

6.2%

​7.0%

8.9%

​Physical Health & Well-being

16.3%

10.9%

​11.6%

9.7%

​12.6%

15.1%

​Social Knowledge & Competence

9.9%

​7.1%

​6.7%

6.4%

8.3%

8.7%

In all five cycles, the percentage of children at risk of developmental delay was lower than the Province with the exception of the Language & Cognitive Development domain.

For more information about the EDI, please contact the Windsor-Essex Data Analysis Coordinator:

Noel Mailloux
400 City Hall Square, Suite 301
Windsor, Ontario Canada N9A 6L7
Phone: (519) 255-5200, ext. 5136
Email: nmailloux@citywindsor.ca