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. 2023 Jul 11;14:1184023. doi: 10.3389/fpsyt.2023.1184023

Table 1.

Study group characteristics.

All M K Other p value M vs K
n 438 88 330 20
% 100.0% 20.1% 75.3% 4.6%
Age 29.5 ± 7.0 29.2 ± 6.4 29.9 ± 7.2 25.5 ± 5.4 NS (M-W U test)
Sexual orientation Heterosexual 64.8% 76.1% 65.2% 10.0% p < 0.005
Bisexual 23.3% 9.1% 25.8% 45.0%
Homosexual 7.1% 11.4% 5.8% 10.0%
Other 4.8% 3.4% 3.3% 35.0%
Size of residence Village 5.3% 4.5% 5.8% 0.0% NS (χ)2
<50 k 8.0% 9.1% 8.2% 0.0%
50–200 k 11.2% 13.6% 10.6% 10.0%
>200 k 75.6% 72.7% 75.5% 90.0%
Education Basic 0.2% 1.1% 0.0% 0.0% NS (χ)2
Middle School 1.8% 3.4% 1.2% 5.0%
Medium 35.6% 40.9% 33.0% 55.0%
Higher Bachelor’s degree 25.6% 25.0% 25.8% 25.0%
Master’s degree 33.8% 25.0% 37.3% 15.0%
Doctorate or higher degree/title 3.0% 4.5% 2.7% 0.0%
Professional situation Full-time employee 52.1% 54.5% 52.7% 30.0% p < 0.005 (χ)2
Student 20.1% 18.2% 18.8% 50.0%
Entrepreneur 16.2% 19.3% 16.1% 5.0%
Casual worker 7.5% 0.0% 9.4% 10.0%
Student 1.8% 5.7% 0.6% 5.0%
Unemployment 2.3% 2.3% 2.4% 0.0%
Have you ever been treated for addiction? No 94.1% 92.0% 94.2% 100.0% NS (χ)2
Yes 5.9% 8.0% 5.8% 0.0%
Has the type of ADHD been determined? Do not know/subtype not specified 25.8% 30.7% 24.8% 20.0% NS (χ)2
ADHD with predominantly attention deficit 34.9% 29.5% 36.1% 40.0%
Mixed type ADHD 37.9% 37.5% 38.2% 35.0%
ADHD with predominance of hyperactivity and impulsivity 1.4% 2.3% 0.9% 5.0%
Age of ADHD diagnosis 28.5 ± 7.7 27.5 ± 7.5 29.0 ± 7.7 23.8 ± 5.8 p < 0.005 (KW test, post-ad-hoc*)

NS, non significant; M-W U test, Mann Whitney U Test; χ2, Chi-squared test; KW test, Kruskal-Wallis H test; *Significant difference between other vs. M and other vs. K; NS M vs. K.