Table 1 |
||||
|
Classification of quality indicators of studies included in the review |
||||
|
Sampling |
Participation rate |
Population |
Sample size |
|
|
1 = Non-random |
1<60% |
1 = Selected |
1<100 |
|
|
2 = Random |
2 ≥ 60% |
2 = General |
2 ≥ 100 |
|
|
|
||||
|
Bagley 1997 [9] |
2 |
2 |
2 |
1 |
|
Bontempo & D'Augelli 2002 [10] |
Not known |
2 |
1 |
2 |
|
Case et al. 2004 [11]* |
1 |
2 |
1 |
2 |
|
1 |
2 |
2 |
1 |
|
|
Cochran & Mays (2000b) [14] |
1 |
2 |
2 |
1 |
|
2 |
2 |
2 |
1 |
|
|
Faulkner et al. (1998) [17] |
Not known |
1 |
1 |
2 |
|
Fergusson et al 1999 [18]* |
1 |
2 |
1 |
1 |
|
Gilman et al. 2001 [19] |
2 |
2 |
2 |
2 |
|
Gruskin et al. 2001 [20] |
2 |
1 |
2 |
2 |
|
Herrell et al. 1999 [21] |
Not known |
2 |
1 |
2 |
|
Jorm et al. 2002 [22] |
2 |
1 |
2 |
2 |
|
King et al. 2003 [1] |
1 |
NA |
1 |
2 |
|
Mathy 2002 [23] |
1 |
1 |
1 |
2 |
|
Mathews et al. 2002 [24] |
1 |
1 |
1 |
2 |
|
McCabe et al. 2003 [25] |
2 |
1 |
1 |
2 |
|
Mc Cabe et al. 2004 [26] |
2 |
1 |
1 |
1 |
|
Nawyn et al. 2000 [27] |
Not known |
1 |
1 |
1 |
|
Remafedi et al. 1998 [28] |
Not known |
2 |
1 |
2 |
|
Robin et al. 2002 [29] |
Not known |
2 |
1 |
2 |
|
Russell & Joyner 2001 [30] |
Not known |
Not known |
1 |
2 |
|
Sandfort et al. 2001 & Sandfort, de Graf, Bijl (2003) [31,32] |
2 |
2 |
2 |
1 |
|
Skegg et al. 2003 [33]* |
1 |
2 |
1 |
1 |
|
Wichstrom & Hegna 2003 [34]* |
1 |
2 |
1 |
2 |
|
Drabble et al. 2005 [35] |
2 |
Not known |
2 |
2 |
|
|
||||
|
Key: * Longitudinal studies; 2 suggests higher quality and than 1 |
||||
|
King et al. BMC Psychiatry 2008 8:70 doi:10.1186/1471-244X-8-70 |
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