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Table 2 Adherence to Duet use among intervention group participants (n = 83), by regimen

From: An acceptability and safety study of the Duet® cervical barrier and gel delivery system in Zimbabwe

 

Continuous regimen (n = 80)

Precoital regimen (n = 82)

Duet adherence

mean

med (range)

mean

med (range)

Days Duet worn

13.3

14.0 (7-14)

NA

NA

Number of sex acts

10.2

9.0 (2-42)

10.5

10.0 (2-42)

 

n

%

n

%

Duet regimen adherence

    

   Worn at least 80% of days

71

89.9

NA

NA

   Worn 100% of days

64

81

NA

NA

Duet adherence during sex

    

   Worn at least 80% of sex acts

74

93.7

77

93.9

   Worn 100% of sex acts

70

88.6

73

89

Ever used Duet precoitally during continuous regimen

1

1.3

1

1.3

Duet ever came out on its own

2

2.5

0

0

Mean/median number of times Duet came out on its own*

1.5

1.5

0

0

Reasons for non-adherence

    

Main reason Duet not used during sex

    

   Used the Duet every time for sex

69

87.3

74

90.2

   Partner refused to use it

4

5.1

3

3.7

   Did not have Duet with her/forgot to use it

1 report each

2.6

2 reports each

4.8

   Discomfort/having menses/did not have time to insert

1 report each

3.9

0

0

   Other

2

2.5

1

1.2

Main reason Duet not used every day

    

   Used the Duet every day

62

78.5

NA

NA

   Did not have the Duet with her

5

6.3

NA

NA

   Partner refused to use it

3

3.8

NA

NA

   Discomfort/did not have sex/having menses/other

2 reports each

10.0

NA

NA

   Forgot to use it

1

1.3

NA

NA

Condom adherence

    

   Worn at least 80% of sex acts

52

65.8

53

65.4

   Worn 100% of sex acts

50

63.3

53

65.4

  1. *Denominators and proportions exclude missing data for n = 4 for continuous-use adherence and n = 1 for precoital-use adherence.