Research Article

Mood Disorders in Mothers of Children on the Autism Spectrum Are Associated with Higher Functioning Autism

Table 1

Demographic and clinical characteristics of the final study sample of maternal-child dyads after all exclusions were applied (n = 998).

Autistic disorderAsperger disorderFisher’s exact/paired t-test P value
n = 690 (69.8%)n = 308 (31.2%)

Mean maternal age (SD)*38.6 (6.7)41.7 (6.5)<.001
Maternal race (% white)632 (91.6)296 (96.1)<.05
Maternal ethnicity (% Hispanic)47 (6.8)10 (3.3)<.05
Maternal education (% college degree)344 (49.9)173 (56.2)ns
Urbanicity**
 Large city (%)157 (22.8)66 (21.4)ns
 Suburban (%)224 (32.5)105 (34.1)
 Small/med city (%)210 (30.4)92 (29.9)
 Rural (%)99 (14.4)45 (14.6)
Maternal mood disorder diagnosis (%)
 No mood377 (54.6)132 (42.9).001
 Bipolar disorder43 (6.2)31 (10.1)
 Depression270 (39.1)145 (47.1)
Mean child age (SD)*8.3 (3.8)11.1 (3.6)<.001
Child gender (% female)124 (18.0)40 (13.0).052
Intellectual level***
 IQ   116 (%)23 (11.1)108 (50.5)<.001
Phase speech by age 3 years****175 (26.9)220 (74.1)<.001

*Mean maternal and child age at the time the maternal mood disorder questionnaire was completed.
**Based on NCHS Urban-Rural (NCHSUR) Classification Scheme for Counties [21].
***n = 422 (208 with AUT; 214 with ASP).
****n = 948 (651 with AUT; 297 with ASP).