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Table 2 Changepoints analysis results (including sensitivity analysis to vary bandwidth)

From: Domestic abuse in the Covid-19 pandemic: measures designed to overcome common limitations of trend measurement

Weekly metric

Bandwidth

Changepoint dates

Interpretation

All domestic abuse crime

2:6

2019-12-15

Increase during late-Dec holiday period

2019-12-29

2:8

2019-12-15

(duplicate)

2019-12-29

2020-06-14

Post-lockdown increase

2020-08-30

4:20

2019-12-15

(duplicate)

2019-12-29

2020-03-01

Early-pandemic decrease

2020-04-12

2020-06-14

(duplicate)

2020-08-30

10:40

2019-12-15

Duplicate (slightly extended duration)

2020-03-01

2020-04-12

No obvious interpretation

2020-06-14

Duplicate (slightly extended duration)

2020-08-09

Former partner

2:6

None detected

No significant differences between current and former partners

2:8

None detected

4:20

2019-08-25

Some pre-pandemic difference detected at higher bandwidths

2019-11-17

2019-12-22

10:40

2019-08-25

Reporting multiple events

2:6

None detected

No significant changes in reporting detected

2:8

None detected

4:20

None detected

10:40

None detected

  1. Changepoints identified during analysis and sensitivity analysis