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Table 1 Observation periods for key analyses

From: Maternal incarceration, child protection, and infant mortality: a descriptive study of infant children of women prisoners in Western Australia

Aim/Analyses

Maternal imprisonment observation period

Child birth years

Data observation years

Prison group n

Comparison group n

1. Maternal incarceration exposure

     

In pregnancy

Pregnancy

2001–2011

2000–2011

533

–

In infancy

Birth to age < 2

2001–2011

2001–2013

1199

–

2. Child protection system contact

     

All children

Pregnancy to age < 2

2001–2011

2000–2017

1383

6714

3. Infant mortality rates

     

All children

5-years pre-birth to age < 1

2001–2011

1996–2012

2180

6714

Indigenous children (Fig. 2)

5-years pre-birth to age < 1

1992–2011

1987–2012

2818

7190