Table 1

Clinical patient information leaflets

Patient leaflet title Flesch Reading Ease scorea Flesch–Kincaid Grade Level scorea,b Chronological reading age, years
PTSD, post-traumatic stress disorder; ADHD, attention-deficit hyperactivity disorder.
a.Based on word and sentence length.
b.Relates to the US Grade System.
Royal College of Psychiatrists
    Your guide to taking medicine for behaviour problems 82.3 2.8 7–8
    Cognitive–behavioural therapy 71.3 6.8 11–12
    Tiredness 71.5 6.9 11–12
    Sleep problems 70.1 7.1 12–13
    Alcohol our favourite drug 69.6 7.7 12–13
    PTSD 51.6 7.9 12–13
    Depression 65.8 7.9 12–13
    Antidepressants 59.1 8.7 13–14
    Bipolar disorder 58.8 8.7 13–14
    Bereavement 65.2 8.8 13–14
    Depression in people with learning disabilities 56.8 9.3 14–15
    Cannabis 56.6 9.5 14–15
Mind
    Understanding bereavement 64.4 8.1 13–14
    How to cope with sleep problems 60.9 8.6 13–14
    Understanding eating distress 56.4 9.2 14–15
    Understanding depression 56.6 9.3 14–15
    Understanding addiction and dependency 53.3 9.6 14–15
    Understanding ADHD 56.9 9.9 14–15
    Understanding bipolar disorder 49.4 10.6 15–16
    Understanding psychotic experiences 48 11 16–17
    Understanding PTSD 48.5 11.3 16–17
    Making sense of antidepressants 39.1 11.9 16–17
    Cannabis and mental health 41.5 12.5 17–18
NHS Direct
    Antidepressants 51.1 8.7 13–14
    Insomnia 57.9 8.8 13–14
    Drug addiction 56.7 9.2 14–15
    Eating disorders 49.4 10.4 15–16
    Bipolar disorder 50.5 10.6 15–16
    Depression 50.6 10.7 15–16
    ADHD 49.7 11.2 16–17
    Alcohol 49.9 11.3 16–17
    What is psychosis 44 11.4 16–17
    Addiction 48 11.5 16–17
    PTSD 43.3 11.5 16–17