Table A Methodological quality scores of trials*

 

Study

Randomisation

Blinding

Withdrawals

Total

France et al 199121

1

2

1

4

Richman 198514

1

2

0

3

Simonoff and Stores 198719

1

1

1

3

Rickert and Johnson 198815

1

0

1

2

Scott and Richards 199023

1

0

1

2

Adams and Rickert 19898

2

0

0

2

Montanari et al 199220

1

0

0

1

Pritchard and Appleton 198822

1

0

0

1

Seymour et al 198910

1

0

0

1

*Maximum scores: randomisation, 2; blinding, 2; withdrawals, 1.

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