Table 1 Characteristics of studies included

 National

2

[13, 29]

 Greater Accra

5

[25, 26, 31, 32, 34]

 Ashanti region

3

[27, 33, 37]

 Volta region

2

[30, 36]

 Northern region

1

[28]

 Greater Accra & Brong Ahafo

1

[35]

 Quantitative (cross-sectional)

12

[13, 25,26,27,28,29,30,31,32,33, 36, 37]

 Mixed method (qualitative &quantitative)

2

[34, 35]

 Community setting

8

[13, 25, 29, 30, 33,34,35, 37]

 Hospital setting

2

[27, 32]

 University setting

3

[26, 31, 36]

 Hospital and community setting

1

[28]

 BSE only

6

[26, 28, 30, 31, 34, 37]

 MM only

1

[29]

 BSE, CBE & MM

3

[32, 35, 36]

 BSE & CBE

2

[27, 33]

 BSE & MM

1

[25]

 BCS (not specific)

1

[13]