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. 2023 May 29;9(6):e16510. doi: 10.1016/j.heliyon.2023.e16510

Table 4.

Pearson correlation matrix for the relationship between board characteristics, information asymmetry and disclosure.

QBAS AF BoDS BINED BFE BBusy CEOD BDG FSIZE FAGE FLV R&D FATR
QBAS 1.0000
AF −0.3682* 1.0000
BoDS −0.3378* 0.2768* 1.0000
BINED −0.1838* 0.2210* 0.2312* 1.0000
BFE −0.0588* 0.1051* 0.1327* 0.3086* 1.0000
BBusy −0.0736* 0.0972* 0.2233* 0.4556* 0.7069* 1.0000
CEOD 0.0613* −0.0328* 0.0159 0.0614* 0.0638* 0.0739* 1.0000
BDG −0.0330* 0.0620* 0.1472* −0.0131 −0.0529* −0.0385* −0.0498* 1.0000
FSIZE −0.2591* 0.3637* 0.2297* 0.1608* 0.0553* 0.0622* −0.0348* 0.1423* 1.0000
FAGE 0.0547* 0.0031 −0.0178 −0.0157 −0.0761* −0.0726* −0.0536* 0.0432* 0.0203 1.0000
FLV 0.0651* 0.0079 −0.0430* 0.0186 0.0276* 0.0011 0.0139 0.0074 −0.0131 0.0106 1.0000
R&D −0.0171 0.0040 0.0418* −0.0007 0.0282* 0.0383* −0.0432* −0.0331* −0.0091 0.0078 −0.0124 1.0000
FATR −0.1189* 0.1489* 0.0923* 0.1395* 0.1185* 0.1226* 0.0368* −0.0336* 0.0344* −0.0658* −0.0208 −0.0550* 1.0000

Note: BAS is bid–ask spread, AF is analyst following, BoDS is board size, BINED is board independence, BFE is board financial expertise, BBusy is board busyness, CEOD is CEO duality, BDG is board diversity gender, FSIZE is firm size, FAGE is firm age, FLV is financial leverage, R&D is Research and development expenditure, and FATR is assets tangibility.

Note: *means significance level at 5%.