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Workforce Flow Metrics

Workforce flow metrics track the movement of staff into and out of your organization. They are among the most important leading indicators Senzo surfaces — flow patterns predict vacancy rate changes weeks before they become visible in point-in-time snapshots.

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Inflow Headcount

Definition: The number of employees who joined a unit/role during the period — new hires, internal transfers in, and returns from extended leave. Source field: inflow_headcount Includes:
  • New external hires
  • Internal transfers arriving from another unit or facility
  • Returns from long-term leave (if returning to active status)
Displayed in: Pulse Intelligence, Metrics Explorer, Data Explorer

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Outflow Headcount

Definition: The number of employees who left a unit/role during the period — voluntary resignations, retirements, involuntary terminations, internal transfers out. Source field: outflow_headcount Includes:
  • Voluntary resignations
  • Retirements
  • Involuntary terminations
  • Internal transfers departing to another unit or facility
  • Departures to long-term leave (if leaving active headcount)
Displayed in: Pulse Intelligence, Metrics Explorer, Workforce Stress Indicators

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Net Flow (Headcount)

Definition: The net change in headcount due to movement during the period. Formula: 
Net Flow (HC) = inflow_headcount − outflow_headcount
Interpretation:
  • Positive: Workforce growing — more arrivals than departures
  • Zero: Stable
  • Negative: Workforce shrinking — more departures than arrivals
Why this matters: Net flow turns negative before vacancy rate rises. Tracking net flow continuously gives you 4–8 weeks of lead time to respond before a vacancy problem becomes critical. Displayed in: Pulse Intelligence, Metrics Explorer

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Inflow Rate

Definition: Inflow as a percentage of average headcount — the rate at which new staff are joining. Formula: 
Inflow Rate = (inflow_headcount ÷ avg_headcount) × 100
avg_headcount = average of current and prior period headcount.

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Outflow Rate

Definition: Outflow as a percentage of average headcount — the rate at which staff are leaving. Formula: 
Outflow Rate = (outflow_headcount ÷ avg_headcount) × 100
Benchmarks:
  • Below 1.5%/month (18%/year): Low — stable workforce
  • 1.5–2.5%/month: Moderate — typical for healthcare
  • Above 2.5%/month (30%+/year): Elevated — chronic churn risk
Displayed in: Pulse Intelligence, Workforce Stress Indicators

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Annualized Turnover Rate

Definition: Outflow rate expressed as an annual percentage for comparison to industry benchmarks. Formula: 
Annualized Turnover Rate = (total_outflow_12_months ÷ avg_headcount_12_months) × 100
Typical benchmarks in Canadian healthcare:
  • Nursing: 15–25% annually
  • Allied Health: 12–20% annually
  • Physicians: 3–8% annually
  • Health Care Aides: 25–40% annually

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Chronic Churn

Chronic churn occurs when outflow rate exceeds the warning threshold for 3 or more consecutive months in the same unit/role. It is distinct from normal turnover because the same roles are being repeatedly vacated and refilled without resolution of the underlying cause. Senzo’s Workforce Stress Indicators section flags units experiencing chronic churn with the number of consecutive months and affected provider types. Chronic churn is a systems problem, not a recruitment problem. Repeatedly filling the same roles without addressing scheduling instability, workload imbalance, or management issues will not resolve the pattern.

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Transfer In FTE / Transfer Out FTE

Definition: The FTE equivalent of internal transfers — staff moving between units within the organization rather than joining from or leaving to external sources. Notes:
  • Internal transfers are captured in both inflow_headcount and outflow_headcount at the unit level
  • At the organization level, internal transfers net to zero — they don’t affect total organizational headcount
  • Senzo displays transfer FTE separately in Pulse Intelligence to distinguish internal mobility from true external turnover
Displayed in: Pulse Intelligence Workforce Snapshot