Depression

Dysthymia Test – Persistent Depressive Disorder Scale

The Deenz Dysthymia or Persistent Depressive Disorder Scale (PDDS-30©) is a highly regarded screening tool utilized to assess the presence of Dysthymia in individuals.

Deen Mohd
Deen Mohd
5 Min Read

Instructions: The Dysthymia scale consists of 30 questions related to your behavior and life experiences. Read each statement carefully and be honest in your responses. Double thumbs down mean you strongly disagree with the statement, and double thumbs up mean you strongly agree. For example, if you have been experiencing any symptom persistently for at least the past two years, you must select the double thumbs up button because you strongly agree with the statement, indicating it is persistent. If it is occasional, select the neutral button or thumbs up. If you are experiencing the symptom rarely, select the thumbs down button or double thumbs down if you are not experiencing it at all.

For the last two years

Question 1 of 30

I find it hard to remember a time when I felt genuinely happy.

Question 2 of 30

I often get irritated, even over small things.

Question 3 of 30

I often feel tired, no matter how much I rest.

Question 4 of 30

I no longer enjoy hobbies or activities I used to love.

Question 5 of 30

I find it hard to maintain close relationships.

Question 6 of 30

I often blame myself, even for small mistakes.

Question 7 of 30

I often feel hopeless about the future.

Question 8 of 30

I find it difficult to find motivation to do things, even daily tasks.

Question 9 of 30

I find myself withdrawing from social activities and avoiding people.

Question 10 of 30

I often feel guilty, even without any reason to feel that way.

Question 11 of 30

I have experienced a noticeable change in my eating habits or weight.

Question 12 of 30

I struggle to focus on tasks

Question 13 of 30

I have difficulty falling asleep or staying asleep at night.

Question 14 of 30

I often feel overwhelmed by life's challenges.

Question 15 of 30

I often feel misunderstood by others.

Question 16 of 30

I stopped setting goals for myself.

Question 17 of 30

I frequently feel a sense of worthlessness.

Question 18 of 30

It is difficult for me to express my emotions to others.

Question 19 of 30

I often criticize myself, even when others praise or appreciate me.

Question 20 of 30

I feel like I'm just going through the motions in life.

Question 21 of 30

I lost interest in maintaining my physical appearance.

Question 22 of 30

I avoid seeking help or support because I feel unworthy of it.

Question 23 of 30

I struggle to find joy in the success of others.

Question 24 of 30

I often preoccupied with negative thoughts about myself.

Question 25 of 30

I feel a constant sense of sadness or emptiness.

Question 26 of 30

I feel like I'm always waiting for something bad to happen.

Question 27 of 30

I feel like I'm a burden to others.

Question 28 of 30

I lost interest in romantic or sexual relationships.

Question 29 of 30

I am often indecisive, even about small, everyday choices.

Question 30 of 30

I struggle to find reasons to look forward to the future.


Deenz Persistent Depressive Disorder Scale (PDDS-30©) is the property of Drdeenz.com , developed by Deen Mohd in 2017. The 30-item Dysthymia scale is widely used psychometric tool for measuring the likelihood of Dysthymia and tracking the treatment progress. The scale is not a self-diagnostic tool, only a mental health professional can make a proper diagnosis of persistent depressive disorder.

Validity of Deenz Persistent Depressive Disorder Scale

Introduction: Dysthymia which is officially known as Persistent Depressive Disorder is a type of chronic depression characterized by a long-lasting low mood and lack of interest or pleasure in everyday activities. In the DSM-5, the criteria for the diagnosis of persistent depressive disorder state that the person must have a depressed mood along with other symptoms most of the day for at least two years. These symptoms cause significant distress or impairment in social and personal life.

Development and Reliability: The Deenz Persistent Depressive Disorder Scale was developed by Deen Mohd, a psychology student. The scale gained popularity when it was published online in 2017. It was initially released in a developmental mode and demonstrated high accuracy in measuring and tracking dysthymia symptoms.

Validity: The scale is based on the criteria outlined in the DSM-5 for the diagnosis of Persistent Depressive Disorder. It aims to measure the severity, intensity, and duration of the symptoms. The scale has shown very high accuracy in measuring the likelihood of having symptoms associated with Persistent Depressive Disorder. However, it has not been validated in diverse populations or across different demographic groups. Despite its high validity and reliability, the scale cannot be used as a substitute for professional diagnosis. Mental health professionals use a variety of clinical methods in the diagnosis of Persistent Depressive Disorder, such as clinical interviews and observations, which are the most effective and accurate ways to make a proper diagnosis of Persistent Depressive Disorder.

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