Table 2 Number of reviews informing primary research

Airways

1

RCT

Yes

Not known

Bones, Joint and Muscle

2

2 RCTs

Yes

Government (1 UK, 1 Australia)

Cystic Fibrosis

5

5 RCTs

Yes

3 government (UK), 2 not known

Depression, Anxiety and Neurosis

2

1 RCT, 1 not known

1 Yes, 1 not known

1 government (UK), 1 not known

Eyes and Vision

1

1 Not known

Yes

1 charity

Incontinence

3

3 RCTs

2 Yes, 1 not known

3 government (UK)

Injuries

7

9 RCTs

7 Yes, 2 not known

7 government (3 Australia, 3 UK, 1 Denmark), 1 industry, 1 charity

Neuromuscular

4

3 RCTs, 1 not known

2 Yes, 2 not known

2 government (1 USA, 1 France), 1 charity, 1 not known

Oral

1

RCT

Yes

1 government (UK)

Pregnancy

1

Qualitative

Yes

Not known

Schizophrenia

1

1 RCT, 2 not known

Not known

Not known

Skin

5

5 RCTs, 1 not known

4 Yes, 2 not known

3 government (UK), 2 charity (2 UK, 1 USA)

Tobacco Addiction

2

3 RCTs

Yes (all)

2 government (UK), 1 not known