Reference | Mean |
---|---|
95% CI | |
Apfelbaum et al. (1999) | -5.70 (-7.77 to -3.63) |
Smith and Goulder (2001) | -3.00 (-4.55 to -1.45) |
Hauner et al. (2000) | -5.30 (-6.83 to -3.77) |
McNulty et al. (2003) | -4.80 (-6.02 to -3.58) |
Wirth and Krause (2001) | -4.00 (-5.01 to -2.99) |