Depression Risk Assessment Calculator
Estimates your depression risk by scoring mood persistence, sleep deviation from 8 hours, energy, social withdrawal, and appetite changes. Useful for self-monitoring or as a conversation starter with a healthcare provider.
About this calculator
Depression involves several interacting symptom domains, and this calculator converts five of them into a composite risk score. The formula is: Score = (mood_duration × 25) + (|sleep_hours − 8| × 3) + ((6 − energy_level) × 8) + (social_withdrawal × 10) + (appetite_change × 5). Persistent low mood carries the heaviest weight (×25) because duration of depressed mood is the cornerstone diagnostic criterion. Sleep deviation uses the absolute difference from 8 hours because both hypersomnia and insomnia are recognized depression symptoms. Energy is inverted — lower energy produces higher scores — reflecting the fatigue component of depression. Social withdrawal and appetite changes add context around the social and somatic symptom clusters. Higher total scores correspond to greater risk, though formal diagnosis requires clinical interview.
How to use
Example: mood has been low for 2 weeks (mood_duration = 2), you sleep 5 hours (sleep_hours = 5), energy is rated 2 out of 5, social withdrawal is 3, and appetite change is 2. Calculate: (2 × 25) + (|5 − 8| × 3) + ((6 − 2) × 8) + (3 × 10) + (2 × 5) = 50 + 9 + 32 + 30 + 10 = 131. A score around 130+ signals elevated risk. Compare to someone sleeping 8 hours, no mood issues: (0 × 25) + (0 × 3) + ((6 − 5) × 8) + (0 × 10) + (0 × 5) = 8 — very low risk.
Frequently asked questions
What factors does this depression risk calculator use and why are they weighted differently?
The calculator uses five evidence-based symptom domains: duration of low mood, sleep deviation from optimal, energy level, social withdrawal, and appetite change. Mood duration receives the highest weight (×25) because two or more weeks of persistent low mood is the primary DSM-5 criterion for a major depressive episode. Sleep and energy disruptions are common early warning signs and are weighted moderately. Social withdrawal and appetite changes are important but more variable across individuals, so they carry lower multipliers. This weighting reflects the relative diagnostic importance assigned in clinical guidelines.
How accurate is an online depression risk calculator compared to a professional screening tool?
Online calculators like this one can highlight potential risk areas and prompt self-reflection, but they are not validated clinical instruments like the PHQ-9 or BDI-II, which have been tested on thousands of patients. This tool uses a composite formula based on recognized symptom domains rather than standardized population norms. It is best used as an awareness tool rather than a diagnostic measure. If your score is elevated, consult a qualified mental health professional who can administer validated assessments and conduct a thorough clinical interview.
Can poor sleep alone significantly increase my depression risk score?
Yes — sleep deviation is one of the more influential inputs in this formula. Sleeping only 4 hours instead of 8 produces a deviation of 4, adding 12 points to your score. Conversely, oversleeping at 11 hours (deviation of 3) adds 9 points. This reflects the well-established bidirectional relationship between sleep disturbance and depression: disrupted sleep both predicts and worsens depressive episodes. Improving sleep hygiene — consistent bedtimes, limiting screens before bed, avoiding caffeine late in the day — can meaningfully reduce this component of your score.