Table 3

Design methods

BMJ

BJGP

Family Practice

Overall


Designs

n

(%)

n

(%)

n

(%)

n

(%)


Cross-sectional survey

19

(24.1)

57

(39.3)

31

(34.8)

107

(35.1)

Qualitative study

3

(3.8)

16

(11.0)

17

(21.0)

36

(11.8)

Cohort study

8

(10.1)

21

(14.5)

4

(4.9)

33

(10.8)

RCT

14

(17.7)

7

(4.8)

8

(9.9)

29

(9.5)

Reviews

4

(5.1)

8

(5.5)

2

(2.5)

14

(4.6)

Reliability/diagnostic

2

(2.5)

8

(5.5)

1

(1.2)

11

(3.6)

Case-control study

4

(5.1)

1

(0.7)

3

(3.7)

8

(2.6)

Cluster RCT

4

(5.1)

1

(0.7)

2

(2.3)

7

(2.3)

Other

21

(26.6)

26

(17.9)

13

(16.0)

60

(19.7)

Total articles

79

145

81

305


Note

RCT = randomised controlled trial.

Rigby et al. BMC Medical Research Methodology 2004 4:28   doi:10.1186/1471-2288-4-28

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