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. Author manuscript; available in PMC: 2018 Nov 1.
Published in final edited form as: Autism. 2016 Oct 20;21(8):995–1009. doi: 10.1177/1362361316665222

Table 2.

Description of sample baseline characteristics by ASD diagnoses; adults with and without ASD matched on age, race, and gender (n = 7092).

ASD
No ASD
Chisq. Sig. AOR 95% CI Sig.
N Col% N Col%
All 1772 100 5320 100
Psychiatric comorbidity 1440 81.3 2216 41.7 *** 6.37 (5.57, 7.28) ***
    Adjustment disorders 58 3.3 138 2.6 1.27 (0.93, 1.74)
    Anxiety 216 12.2 299 5.6 *** 2.34 (1.95, 2.81) ***
    ADD/ADHD 146 8.2 37 0.7 *** 12.89 (8.94, 18.5) ***
    Developmental disorders 1231 69.5 270 5.1 *** 44.60 (37.9, 52.4) ***
    Mood disorders 256 14.4 839 15.8 0.90 (0.77, 1.05)
    Personality disorders 44 2.5 105 2.0 1.26 (0.89, 1.81)
    Schizophrenia 294 16.6 590 11.1 *** 1.61 (1.38, 1.88) ***
    Alcohol/substance use disorders 36 2.0 948 17.8 *** 0.09 (0.07, 0.13) ***
Non-psychiatric comorbidity 708 40.0 2429 45.7 *** 0.79 (0.71, 0.88) ***
    Cancer 21 1.2 149 2.8 *** 0.41 (0.26, 0.66) ***
    Gastrointestinal disorders 223 12.6 583 11.0 *** 1.17 (0.99, 1.38)
    Respiratory disorders 267 15.1 1010 19.0 *** 0.76 (0.65, 0.88) ***
    Cardiovascular/cerebrovascular disorders 242 13.7 897 16.9 ** 0.77 (0.66, 0.90) **
    Diabetes 63 3.6 250 4.7 * 0.74 (0.56, 0.99) *
    Musculoskeletal disorders 216 12.2 852 16.0 *** 0.72 (0.62, 0.85) ***
Other health conditions
    Epilepsy 403 22.7 257 4.8 *** 5.84 (4.94, 6.91) ***
    Headache/migraine 18 1.0 176 3.3 *** 0.30 (0.18, 0.49) ***
    Thyroid 83 4.7 71 1.3 *** 3.66 (2.65, 5.05) ***
    Other endocrine disorders 192 10.8 214 4.0 *** 2.92 (2.38, 3.57) ***
    Nutrition deficiencies 15 0.8 42 0.8 1.07 (0.59, 1.94)
    Lipid disorders 84 4.7 131 2.5 *** 2.00 (1.51, 2.65) ***
    Fluid and electrolyte dysfunctions 84 4.7 168 3.2 *** 1.53 (1.17, 2.01) **
    Jaw and teeth disorders 184 10.4 155 2.9 *** 3.87 (3.10, 4.82) ***
    Hematological disorders 115 6.5 240 4.5 *** 1.47 (1.17, 1.86) ***
    Genito-urinary disorders 168 9.5 423 8.0 *** 1.21 (1.01, 1.46) *
    Paralysis 101 5.7 157 3.0 *** 1.99 (1.54, 2.57) ***
    Infections 381 21.5 924 17.4 *** 1.59 (1.39, 1.83) ***
    Skin disorders 376 21.2 786 14.8 *** 2.88 (2.48, 3.34) ***
    Blindness/vision defects 96 5.4 197 3.7 ** 1.49 (1.16, 1.92) **
    Hearing impairments 328 18.5 210 3.9 *** 5.54 (4.62, 6.66) ***

ASD: autism spectrum disorders; Col%: column percentages. Fischer’s exact tests were run for variables with expected counts of <5. AOR: odds ratio adjusted for age, sex, and race; CI: confidence interval; ADD: attention deficit disorders; ADHD: attention deficit hyperactivity disorders.

Medicaid Analytic eXtract 2000–2008 (IL, NY, and TX).

Based on chi-square and logistic regression estimates for fee-for-service enrolled individuals aged 22–64 years with no Medicare coverage and alive in IL, NY, and TX Medicaid from 2000 to 2008.

Sig.:

***

p < 0.001;

**

0.001 ≤ p < 0.01;

*

0.01 ≤ p < 0.05.