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. Author manuscript; available in PMC: 2024 Apr 1.
Published in final edited form as: J Autism Dev Disord. 2021 Dec 2;53(4):1305–1318. doi: 10.1007/s10803-021-05385-y

Table 5.

Step-wise regression predictors of time between first concern to diagnosis

Overall B SE t p

Chronological age 3.24 0.12 27.15 < 0.001
Sex −5.01 1.04 −4.82 < 0.001
Age of combining phrases −0.31 0.05 −6.19 < 0.001
Sat w/out support 0.88 0.21 4.14 < 0.001
Age of walking 0.28 0.13 2.16 0.031
Bowel trained −0.14 0.05 −2.95 0.003
Intelligence 1.17 0.22 5.44 < 0.001
Age of first concern −0.039 0.02 −16.91 < 0.001
Annual household income −1.43 0.17 −8.39 < 0.001
Female
 Chronological age 4.39 0.039 16.45 < 0.001
 Age of first concern −0.035 −0.203 −7.97 < 0.001
 Age of combining phrases −0.48 0.054 −8.84 < 0.001
 Age of walking 0.73 0.0.18 4.08 < 0.001
Male
 Chronological age 2.93 0.13 22.17 < 0.001
 Age of first concern −0.40 0.03 −15.16 < 0.001
 Annual household Income −1.36 −0.10 −7.25 < 0.001
 Age of combining phrasing −0.44 −0.25 −17.265 < 0.001