Skip to main content

Table 1 Sociodemographic comparison between HR and HV individuals

From: Substance use in people at clinical high-risk for psychosis

Sociodemographic characteristics HR (n = 60) HV (n = 60) p-values
Age at study entry, years (median, min, max, SD) 19.89 (16.41, 30.21, 2.38) 22.60 (16.18, 35.57, 5.68) < 0.001*
Gender (n, %)    
Male 31 (51.7%) 26 (43.3%) 0.465~
Female 29 (48.3%) 34 (56.7%) 0.465~
Ethnicity (n, %)†    
White 56 (93.3%) 55 (91.7%) 1.000~
Mixed 2 (3.3%) 2 (3.3%) 1.000~
Asian 1 (1.7%) 2 (3.3%) 1.000~
Black 1(1.7%) 1(1.7%) 1.000~
Occupational status (n, %) (7)‡    
Unemployed 20 (33.3%) 8 (13.%) 0.004~
Employed 8 (13.3%) 27 (45.0%) 0.001~
Students 25 (41.7) 25 (41.7) 0.575~
  1. ‘P- values’ * = t-test ~ = Fisher’s exact.
  2. † ‘White ethnicity’ refers to subjects who are White British, White Irish, or other White backgrounds.
  3. ‘Mixed ethnicity’ refers to those who are White and Black Caribbean, mixed White and Black African, mixed White and Asian, or any other mixed backgrounds.
  4. ‘Asian ethnicity’refers to those who are Indian or Chinese.
  5. ‘Black ethnicity’ refers to subject from any Black backgrounds.
  6. ‡ Occupational status is broadly categorized into 3 groups.
  7. ‘Unemployed’ includes subjects who do not have a job, either they are looking for work, not looking for work (e.g., housewife), or not being able to work due to medical reasons.
  8. ‘Employed’refers to people who have full/part-time employment, or employed but currently unable to work.
  9. ‘Students’ refers to full/part-time students, including those who are also working some hours.