Table 1.
Demographics and descriptive statistics of participants (N = 188)
| Item | Total (frequency) |
|---|---|
| Mean age years (SD) | 30.49 (8.75) |
| Gender | |
| Male | 108 (57%) |
| Female | 78 (41%) |
| Othera | 2 (2%) |
| Education attainment | |
| High school or below | 51 (27%) |
| Studying at university | 36 (19%) |
| Completed university | 77 (41%) |
| Masters or higher | 24 (13%) |
| Country of residence | |
| Australia | 30 (16%) |
| Canada | 14 (8%) |
| New Zealand | 4 (2%) |
| United Kingdom | 26 (14%) |
| United States | 111 (60%) |
| Other | 1 (.5%) |
| History of mental healthb: diagnosed | 137 (74%) |
|
Autism spectrum diagnoses Participant diagnosed |
16 (9%) |
| Family diagnosed | 17 (9%) |
| Sleep disorder diagnosesc: diagnosed | 15 (8%) |
aDue to the small number of the other gender, these two cases were treated as missing gender in the later analysis to prevent statistical instability
bMental health diagnoses: ADHD, anxiety, anxiety/depression, anxiety/autism, borderline personality disorder, depression/PTSD, panic disorder/PTSD/depression, schizotypal, social anxiety disorder, obsessive compulsive, general anxiety disorder/social phobia, and non-diagnosed
CSleep narcolepsy, sleep apnoea, obstructive sleep disorder, insomnia/bruxism, insomnia, historical sleep maintenance disorder