-0.1528 0.1557 1 -0.1067 0.0587 2 -0.1833 0.0822 3 -0.0417 0.0607 4 -0.0311 0.0322 5 0.0189 0.0335 6 0.0051 0.0223 7 0.0037 0.0244 8

Data : All rows have 3 columns     - Each row from a separate study     - Column 1 = Effect Size     - Column 2 = Standard Error     - Column 3 = Value of covariate

MacroPlot Code

Hedges LV and Olkin I (1985) Statistical methods for Meta-Analysis Academic Press Ltd. 24-28 Oval Rd., London NW1 7DX ISBN 0-12-336381-0 p.169-173 for regression coefficients, and p.184-187 for residual variance estimates

Thompson SG and Sharp SJ (1999) Explaining heterogeneity in Meta-Analysis \t Statistics in Medicine 18 : p. 2693-2708

Sutton AJ, Abrams KR, Jones DR, Sheldon TA, and Song F (2000) Methods for Meta-Analysis in Medical Research. John Wiley & Sons Ltd., Chichester UK. \t ISBN 0-471-49066-0. p.95-97

Harbord RM, Higgins JPT (2008) Meta-regression in Stata. The Stata Journal 8, Number 4, pp. 493-519 (section 7.1) http://www.aureliotobias.es/cursos/cochrane/metareg.pdf

Thompson SG and Higgins JPT (2002)How should meta-regression analyses be undertaken and interpreted? Statist. Med. 21:1559-1573 \t paper in pdf on www