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Table 3 Prevalence and habits of IM injection

From: «One prick and then it´s done»: a mixed-methods exploratory study on intramuscular injection in heroin-assisted treatment

 

n

%

Lifetime prevalence of IM injection (n = 53)

32

60.4

 Female (n = 19)

13

68.4

 Male (n = 34)

19

55.9

How did you learn about IM injection? (n = 32)

  

 Staff

23

71.9

 Friends/other patients

9

28.1

 Found out by myself

4

12.5

 Education

1

3.1

 Unknown

1

3.1

Length of IM injection experience (n = 30)

  

 < 1 year

17

56.7

 1–5 years

6

20.0

 6–10 years

6

20.0

 11–15 years

1

3.3

Current frequency of IM injecting (n = 32)

  

 Several times a day

5

15.6

 Once daily

3

9.4

 Several times a week (2–6x)

3

9.4

 Several times a month (2–3x)

1

3.1

 Rarely

5

15.6

 No longer at all

15

46.9

Injection sites (n = 31)

  

 Upper leg

19

61.3

 Upper arm

18

58.1

 Lower leg

3

19.4

 Feet/hand

2

6.5

 Abdominal region

1

3.2

 Forearm

1

3.2

Regular rotation of injection site (n = 31)

24

77.4

Frequency of rotation (n = 23)

  

 Daily

16

72.7

 Weekly

4

18.2

 Rarely

3

13.6

*Reasons for IM injection given by participants who had previously injected intramuscularly (n = 32)

  

 Bad condition of access veins/impossibility of intravenous injection

25

78.1

 Time saving (no need to locate veins)

13

40.6

 Less injuries (one prick instead of multiple intravenous attempts)

10

31.3

 Avoiding intravenous injection

3

9.4

 Longer-lasting effect compared to intravenous injection

3

9.4

 Less complications

2

6.3

 Higher level of functioning after injection

2

6.3

 Trying it out

1

3.1

 Physical illness

1

3.1

 Delayed onset

1

3.1

 Doing it out of habit

0

-

 Reduced risk of overdose

0

-

  1. Sample sizes differ due to missing data
  2. *Multiple answers were possible