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Table 3 Trial outcomes (total—groups by compliance)

From: The acceptability and feasibility of a brief psychosocial intervention to reduce blood-borne virus risk behaviours among people who inject drugs: a randomised control feasibility trial of a psychosocial intervention (the PROTECT study) versus treatment as usual

 

Attended at least one intervention session

Attended none of the intervention sessions

 

Baseline

End of intervention

1 month post-intervention

Baseline

End of intervention

1 month post-intervention

 

N = 20

N = 14

N = 16

N = 79

N = 37

N = 29

Injecting risk practicesa

 Mean (SD)

2.3 (2.45)

1.7 (2.40)

1.4 (2.40)

2.6 (2.73)

2.5 (2.46)

2.6 (3.28)

 Median (min, max)

1 (0, 9)

1 (0, 9)

1 (0, 9)

1.5 (0, 9)

1 (0, 9)

1 (0, 9)

Sexual risk behavioursb

 Mean (SD)

4.1 (2.04)

4.3 (1.07)

3.9 (1.89)

3.8 (1.92)

3.9 (1.90)

3.7 (1.97)

 Median (min, max)

5 (0, 7)

4 (3, 6)

4 (0, 7)

4 (0, 7)

4 (0, 7)

4 (0, 7)

Self-efficacyc

 Mean (SD)

23.3 (5.14)

25.1 (3.12)

25.9 (3.47)

24.2 (4.64)

23.9 (5.04)

24.7 (4.76)

 Median (min, max)

24.5 (12, 31)

26.5 (21, 31)

25.5 (17, 32)

24 (10, 32)

24 (14, 32)

25 (11, 32)

HIV transmission knowledged

 Mean (SD)

10.8 (2.22)

11.9 (1.23)

11.4 (1.59)

10.4 (2.43)

11.1 (2.11)

11.1 (2.08)

 Median (min, max)

11 (7, 14)

12 (10, 14)

12 (7, 14)

11 (4, 14)

11 (6, 14)

12 (4, 14)

HCV transmission knowledgee

 Mean (SD)

23.5 (3.78)

26.1 (2.53)

24.1 (3.55)

24.5 (3.59)

24.6 (2.89)

24.4 (3.06)

 Median (min, max)

24 (15, 29)

26.5 (20, 29)

24 (15, 29)

25 (13, 30)

25 (14, 29)

25 (14, 29)

HBV transmission knowledgef

 Mean (SD)

10.3 (2.45)

11.1 (2.48)

11.1 (2.72)

10.3 (2.83)

10.7 (2.19)

10.2 (2.51)

 Median (min, max)

11 (5, 13)

11.5 (7, 14)

11.5 (7, 15)

11 (0, 14)

11 (6, 14)

11 (3, 14)

Withdrawal preventiong

 Mean (SD)

5.4 (3.36)

6.5 (4.26)

5.9 (4.13)

6.8 (4.32)

6.4 (4.34)

5.6 (3.45)

 Median (min, max)

5 (0, 12)

6.5 (1, 17)

6 (0, 13)

7 (0, 19)

6 (0, 17)

6 (0, 15)

Motivation to change (for self)h

 Mean (SD)

4.4 (0.82)

4.5 (0.52)

4.6 (0.51)

4.4 (0.81)

4.7 (0.58)

4.7 (0.55)

 Median (min, max)

5 (2, 5)

4.5 (4, 5)

5 (4, 5)

5 (2, 5)

5 (3, 5)

5 (3, 5)

Motivation to change (for others)h

 Mean (SD)

4.4 (0.59)

4.2 (0.70)

4.4 (0.51)

4.4 (0.88)

4.8 (0.49)

4.7 (0.53)

 Median (min, max)

4 (3, 5)

4 (3, 5)

4 (4, 5)

5 (1, 5)

5 (3, 5)

5 (3, 5)

  1. aRange: 0–9 (higher number = more risk events)
  2. bRange: 0–7 (higher number = more risk behaviours)
  3. cRange: 8–32 (higher score = greater self-efficacy)
  4. dRange: 0–14 (higher score = better knowledge)
  5. eRange: 0–31 (higher score = better knowledge)
  6. fRange: 0–15 (higher score = better knowledge)
  7. gRange: 0–20 (higher score = better prevention tactics)
  8. hRange: 0–5 (higher score = more motivation)