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Table 3 Descriptive Statistics for Quantitative Systemic Variables

From: The diagnostic trajectory in autism and intellectual disability in Quebec: pathways and parents’ perspective

Variable

n

% Missing

M

SD

Range

Age of the child at the time of first concerns

240

7.3%

22.3

9.9

0a-60

Waiting time for a consultation about first concerns

211

18.5%

2.7

5.0

0–36

Age of the child at the time of diagnosis

259

0.0%

48.0

12.9

23.8–75.4

Time elapsed between first concerns and diagnosis

241

7.0%

26.2

11.2

3.2–58.1

Time elapsed between first concerns and initial assessment

259

0.0%

3.2

1.5

0.7–13.9

Number of providers consulted prior to assessment

244

5.8%

3.2

1.5

0–7

Number of providers consulted at the assessment clinic

241

7.0%

3.5

1.1

1–6

Total number of providers consulted prior to the diagnosis

247

4.6%

6.6

2.0

2–12

  1. Note. Children’s age and waiting periods are specified in months. a In three cases, concerns emerged in the first two months of the child’s life, in relation to a developmental disorder diagnosis in an older sibling