Absence patterns, scored automatically
Bradford Factor analytics, calculated for you
See which absences are frequent and disruptive, not just long — with Bradford Factor scores updated automatically as sick days are logged. A differentiator most leave trackers leave out.
Total days off tells you very little about disruption. Five separate one-day absences scattered across a quarter strain a team far more than one planned two-week holiday — but a plain day count treats the holiday as the bigger event. The Bradford Factor was designed to capture exactly that: it weights the frequency of absence spells more heavily than their length, so a pattern of short, unplanned absences stands out.
Absenca calculates the Bradford Factor for every employee automatically from the sick and unplanned leave you already log — no separate spreadsheet, no manual scoring. It's an analytics signal most leave trackers simply don't offer, and one HR teams have used for years to spot patterns worth a conversation.
Scored automatically
The Bradford Factor for each employee is computed from logged absences and kept current — no manual maths, no separate sheet to maintain.
Frequency-weighted
The score squares the number of absence spells and multiplies by total days (S × S × D), so frequent short absences surface ahead of one long planned leave.
Rolling window
Scores are calculated over a rolling period you choose, so old absences age out and the number reflects recent patterns, not someone's whole history.
A signal, not a verdict
Use it as a flag for a supportive conversation — alongside context like a known condition or caring responsibilities — never as an automatic trigger on its own.
How the Bradford Factor is calculated
The Bradford Factor uses the formula S × S × D, where S is the number of separate absence spells in the period and D is the total days absent. The number of spells is squared, which is what makes the metric so distinctive: someone absent on four separate single days scores 4 × 4 × 4 = 64, while someone absent once for four straight days scores 1 × 1 × 4 = 4 — same total days, very different scores.
Absenca runs this calculation for you over a rolling window, using the unplanned absences already in the system. You don't enter anything extra; as sick days are logged, scores update on their own.
When to use it — and when not to
The Bradford Factor is most useful as an early, even-handed prompt: it surfaces a pattern of frequent short absences that a total-days view would hide, so a manager can check in early and offer support. It works best when paired with context and applied consistently across a team rather than singling people out.
It is not a disciplinary verdict and shouldn't be wired to automatic consequences. Some genuine medical conditions, disabilities and caring responsibilities naturally produce frequent short absences, and treating a high score as proof of a problem is both unfair and risky. Absenca presents the score as one analytics input among several — not a trigger that acts on its own.
Why teams choose Absenca
- Bradford Factor scored automatically for every employee
- Frequency-weighted (S × S × D) — flags short, repeated absences
- Rolling window so scores reflect recent patterns
- A differentiator most leave trackers don't include
- Free for up to 15 people, then $0.75/user/month
Frequently asked questions
- What is the Bradford Factor?
- The Bradford Factor is an absence metric that weights the frequency of absence spells more heavily than their length, using the formula S × S × D (spells squared, times total days). It highlights frequent short absences, which are often more disruptive to a team than a single long planned leave.
- Does Absenca calculate the Bradford Factor automatically?
- Yes. Absenca computes each employee's Bradford Factor from the unplanned absences you already log, over a rolling period you choose, and keeps the scores current as sick days are recorded — no manual scoring or separate spreadsheet.
- Should a high Bradford Factor lead to disciplinary action?
- No. It's best used as an early, even-handed prompt for a supportive conversation, paired with context. Some medical conditions, disabilities and caring responsibilities naturally produce frequent short absences, so a score should never be an automatic trigger on its own.
- Do other leave trackers offer Bradford Factor analytics?
- Many don't — it's a feature more common in larger HR suites than in lightweight leave trackers. Absenca includes it as part of its absence analytics, which is one thing that sets it apart in this category as of 2026.
- Is the Bradford Factor feature free?
- Absenca is free for up to 15 people with the full feature set, including absence analytics, then a flat $0.75 per user per month.