
Figure 1
Iterative process toward developing the initial programme theories.

Figure 2
Potential information gleaned from exploring the theories of change (Adapted from Eastwood [7] and Kabongo et al. [23]).

Table 1
Illustrates the results of the exercises of this step.
Table 2
Consumer-level CIMO elements.
| PROGRAMME MODALITY | CONTEXT | MECHANISM | OUTCOME |
|---|---|---|---|
| Accessibility | Consumer characteristics:
|
|
|
| Referral pathways Early intervention and public health approaches to interrupting cycles of family disadvantage, poor health and psychological trauma | Consumer characteristics:
|
|
|
| Accompaniment Co-design and co-production of the initiative in partnership with families and service partners | Consumer characteristics:
|
|
|
| Case-based discussions: Encouraging families for all their health needs and supporting progress towards self-efficacy (I) | Consumer characteristics:
|
|
|
Table 3
Service provider-level CIMO elements.
| CHARACTERISTIC OF PROGRAMME | CONTEXT | MECHANISM | OUTCOME |
|---|---|---|---|
| Family identification: Development and implementation of shared assessment tools and referral criteria | Consumer characteristics:
|
| Service engagement |
| Accompaniment/intensive hand holding | Consumer characteristics:
|
| Improved quality of service delivered |
| Evidence-based practice | Consumer characteristics:
|
|
|
| Navigation of the health system | Health system characteristics:
| Experienced clinician
| Shared learning among professionals –Appropriate referrals |
Table 4
Service organisation-level programme theory model.
| CHARACTERISTIC OF PROGRAMME | CONTEXT | MECHANISM | OUTCOME |
|---|---|---|---|
| Service Collaboration | Health system characteristics:
|
|
|

Figure 3
Consumer-level programme theory model.

Figure 4
Service provider-level programme theory model.

Figure 5
Service organisation-level programme theory model.

Figure 6
Overarching mechanisms present at all levels of the HHAN logic model.
| CIMO: | Context-Intervention-Mechanism-Outcome |
| SLHD: | Sydney Local Health District |
| HHAN: | Healthy Homes and Neighbourhoods |
| ToC: | Theory of Change |
