ADHD
Epidemiological Data
For every 100 children,
about 5 people have
Attention Disorder/Hyperactivity Disorder
As for adults, the prevalence is about 2.5% . Hong Kong's figures are similar to foreign figures.
ADHD male to female ratio
2
1
:
:
Worldwide
Epidemiological data
:
Hong Kong
3
:
1
Data on new cases diagnosed by the Children's Physical Intelligence Test Service of the Department of Health in 2016
Low diagnosis rate in female patients
Many patients with attention deficit (ADD) (especially women) are difficult to detect and diagnose because they do not have symptoms of hyperactivity.
ADHD symptoms persist into adults
In the past, it was generally believed that ADHD only occurs in children, and the symptoms would disappear when the children grow up, but in recent years, it has been found that about 65% of people with ADHD have symptoms that persist into adulthood.
65%
References:
Heep Hong Society: https://www.heephong.org/?gclid=EAIaIQobChMI7NH8t7b64wIVkHZgCh2ISQDjEAAYASAAEgJb4fD_BwE
Concentration Promotion Association: http://adhd.hk/web/index.php
Department of Health: https://www.dhcas.gov.hk/en/adhd.html
BBC England "ADHD: Why are girls often overlooked?" https://www.bbc.com/ukchina/trad/vert-fut-48964645