Table 2 Frequency, number of questions, mode, personnel to collect data and reimbursement

 Fortnightly

0

–

 Monthly

7

7

✓

 1 to 5

0

–

 6 to 10

4

5*

✓

 11 to 15

1

1

 16 to 20

2

2

 Phone call

3

–

 Survey

2

–

 Phone app

2

–

 Email

1

–

 Women’s preference

7

7

✓

 Women randomised to different modality

1

–

 Research facilitator (based on site, Indigenous or non-Indigenous)

6

2

 Indigenous researcher (based at research institution)

5

3

 Non Indigenous researcher (based at research institution)

2

–

 Research facilitator, if not possible, Indigenous researcher

–

3*

 Unsure

1

–

✓

 $15 voucher

3

1

 Baby bundle (value of $15)

3

2

v$10 voucher

1

–

 $5 voucher

0

–

 Research site to choose either $15 or $ baby bundle

–

5*

✓