Table 1.
Participant demographics
| Participant characteristics | χ 2 | P-TD (n = 85) (%) | SPX (n = 121) (%) | MPX (n = 54) (%) |
|---|---|---|---|---|
| Gender | ||||
| Female | 2.931 | 81.2 | 87.6 | 90.7 |
| Male | 18.8 | 12.4 | 9.3 | |
| Country of residence | 2.339 | |||
| US | 87.4 | 92.8 | 93.1 | |
| Other | 12.6 | 7.2 | 6.9 | |
| Age group | ||||
| 21–30 years old | 16.128* | 18.8* | 8.3 | 1.9* |
| 31–40 years old | 40.0 | 41.3 | 37.0 | |
| 41–50 years old | 29.4 | 43.8 | 50.0 | |
| 51–61 years old | 11.8 | 6.6 | 11.1 | |
| Highest level of education | 2.355 | |||
| High school or G.E.D. | 5.9 | 5.8 | 7.4 | |
| Some college/voc. schoola | 30.6 | 32.2 | 25.9 | |
| Bachelor’s degree | 34.1 | 39.7 | 37.0 | |
| Graduate degree | 29.4 | 22.3 | 29.6 | |
| Presence of mental disorder | 5.005 | |||
| No | 65.9 | 71.1 | 53.7 | |
| Yes | 34.1 | 28.9 | 46.3 | |
| Type of disorderb | ||||
| ADHD/ADD | 5.9 | 4.1 | 7.4 | |
| Anxiety disorders | 10.6 | 9.1 | 18.5 | |
| Avoidant personality | 1.2 | 0 | 0 | |
| Bipolar disorders | 2.4 | 3.3 | 14.8 | |
| Depression disorders | 21.2 | 19.8 | 31.5 | |
| OCD | 2.4 | 3.3 | 3.7 | |
| PTSD | 1.2 | 2.5 | 0.0 | |
| SPD | 0.0 | .8 | 0.0 |
P-TD parents of typically developing children, SPX parents of children with autism spectrum disorder (ASD) from simplex families, MPX parents of children with ASD from multiplex families, ADHD/ADD attention deficit hyperactive disorder/attention deficit disorder, OCD obsessive–compulsive disorder, PTSD post traumatic stress disorder, SPD sensory processing disorder
aDue to the small number of responses in the “vocational school” category, this group was combined with the “some college” category for analyses in order to meet assumptions concerning minimum expected cell count for Chi square tests
bThe sum percentages of each type of disorder are greater than the total percentage of “presence of mental disorder” due to comorbidities (presence of two or more disorders) in participants
* p < .05