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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