U.S. Short-Term Absence Disruption Scorer
The number of separate times the employee called out sick or was absent in a rolling 52-week period.
The cumulative total number of workdays missed. (Must be ≥ Spells)
Relying on raw Bradford scores to trigger automatic disciplinary actions is legally hazardous. If any of the short-term absences are protected under FMLA or constitute a reasonable accommodation under the ADA, using them as a negative performance metric constitutes unlawful retaliation.
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The Bradford Factor is calculated as: S² × D = B. S is the number of spells (occurrences) of absence in a 52-week rolling window, and D is the total days missed. Short, frequent absences score much higher than long-term blocks.
A single 10-day block of sickness (1² × 10 = 10 points) causes low organizational friction. Ten separate 1-day sickness spells (10² × 10 = 1000 points) cause severe scheduling disruption, team fatigue, and workflow blockages.
Using Bradford Scores provides an objective, numerical metric to evaluate employee call-out patterns. This ensures attendance policy enforcement remains non-discriminatory, consistent, and documented across all staff.
Absenteeism is a silent profit killer for businesses. While long-term illness presents operational challenges, it is frequent, unplanned, short-term absences that cause the most severe disruption to scheduling, team morale, and productivity. To identify and manage these patterns objectively, many human resource departments employ the Bradford Factor. However, administering attendance policies using Bradford Scores requires a deep understanding of legal overlaps, specifically under the Americans with Disabilities Act (ADA) and the Family and Medical Leave Act (FMLA).
The Bradford Factor is based on the theory that short, frequent, unplanned absences are far more disruptive to an organization than longer, continuous blocks of sickness. The formula is written as:
Because the number of spells (S) is squared, frequent absences compound the score rapidly. Consider two employees who both miss a total of 10 workdays in a year:
Employee B's pattern causes ten separate reschedules, team coverages, and project interruptions, justifying a critical HR response, whereas Employee A's single absence is typical of a standard recovery period.
To use the Bradford Factor fairly, organizations must publish clear threshold guidelines in their employee handbook. A typical corporate threshold scale is structured as follows:
When absenteeism triggers warnings or performance plans, HR must possess a bulletproof chronological audit trail. Transition out of messy spreadsheets. Use AI SoloHR to log attendance warnings, case timelines, and communication.
| Score Range | Risk Level | Recommended HR Action |
|---|---|---|
| 0 - 49 | Green (Low) | No action required. Standard, healthy attendance patterns. |
| 50 - 124 | Yellow (Moderate) | Informal counseling. Discuss patterns of frequent short absences. |
| 125 - 399 | Orange (High) | Formal disciplinary review. Issue verbal or written attendance warning. |
| 400+ | Red (Critical) | Formal hearing. Potential suspension, final warning, or termination evaluation. |
While the Bradford Factor is a powerful administrative tool, applying it blindly is a major legal risk. Under federal regulations, employers cannot penalize employees for taking legally protected leaves of absence.
To build a legally defensible attendance management program, HR teams should implement three best practices:
Best practices for writing factual case notes and audit trails.
Factual intake format for employee relations and incidents.
Keep notes, timelines, and communications organized in one place.
