Table 4 Themes of factors operating as facilitators

Organisational culture

40

 EBI matches well with mission of TSO

9

High reliability

 Organisational support/prioritisation for EBI

6

High reliability

 Champions

4

High reliability

 Supportive leadership

5

Medium reliability

 Inclusive organisational team/culture

4

Medium reliability

 Staff motivation to deliver EBI

3

Medium reliability

 Organisational capacity

3

Medium reliability

 Strategic planning

2

Medium reliability

 Organisational stability

1

Medium reliability

 Internal flexibility of resources

1

Low reliability

 Involving staff and volunteers

1

Low reliability

 Strength of planning committee

1

Low reliability

Delivery capability

18

 Staff expertise

4

High reliability

 Receiving intervention training

4

High reliability

 Staff experience with delivering EBI

4

Medium reliability

 Administrative infrastructure and capacity

4

Medium reliability

 Continuous training

1

Low reliability

 Clear staff roles in implementing the EBI

1

Low reliability

Accountability

15

 Perceived effectiveness of EBI

8

High reliability

 Continuous evaluation of EBI

3

High reliability

 Novelty of EF

1

Medium reliability

 Relative advantage of EBI

1

Low reliability

 Cost effective

1

Low reliability

 Using EBI will improve professional practice

1

Low reliability

Adaptation

13

 Flexibility regarding the implementation of interventions

9

High reliability

 Match with the target population

4

High reliability

Collaboration/external factors

10

 Invitation to partner with another organisation to offer EF

1

Medium reliability

 Working with partner with experience delivering the EBI

2

Low reliability

 Working with experienced partners

2

Low reliability

 Working with partners with consistent access to target population

1

Low reliability

 Partnerships (unspecified)

1

Low reliability

 Political support

1

Low reliability

 Coordination and communication with other agencies

1

Low reliability

 External support

1

Low reliability

Clients/community factors

9

 Use of incentives

2

Medium reliability

 Access to target population through existing programmes

2

Low reliability

 Experience working with population

2

Low reliability

 Ability to recruit and retain IDU clients

2

Low reliability

 Client participation in goal setting and feedback.

1

Low reliability

Funders

7

 Access and availability of training

2

Medium reliability

 Continuous support in delivering the EBI.

2

Medium reliability

 Using EBI that is recognised by funder

1

Medium reliability

 Funding stability

1

Low reliability

 Flexibility of prioritisation of resources

1

Low reliability

Other

7

 Logistics

1

Low reliability

 Established national organisation

1

Low reliability

 Communication

1

Low reliability

 HIV testing success

1

Low reliability

 No. of clinicians certified/employed at grant end

1

Low reliability

 No. of supervisors certified/employed at grant end

1

Low reliability

 No. of youth served during grant period

1

Low reliability

Resources

4

 Availability of technical assistance

2

Medium reliability

 Financial support

1

Medium reliability

 Supplying needed resources

1

Low reliability

Intervention specific factors

3

 Easy to use

1

Low reliability

 Availability of manuals

1

Low reliability

 Implementation is rewarding

1

Low reliability

 High reliability

 Medium reliability

 Low reliability