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Table 1 Measurements of independent variables

From: Influence of board mechanisms on sustainability performance for listed firms in Sub-Saharan Africa

Name of Variable

Mnemonics

Measurement

Board Size

BSZ

Number of Board Members of the firm

Board Independence

BID

Number of Independent Directors of the firm

Board Gender Heterogeneity

BGH

A binary that equals one if a female member is present on the board

Board Educational Background

BEGS

Directors’ Educational Background scoring

Tenure

TEN

Number of years since being appointed director

Foreign Director(s)

FRD

A binary that equals one if there is a non-native citizen as a director

Board Leadership (CEO) Duality

BLDU

A binary that equals one if the CEO is also the chairman of the board

Board committees

BCMT

Number of board sub-committees

Frequency of Board

FBM

Number of Board meetings per year

CEO Power

CEOP

Maximum number of years CEO could sit on the Board

  1. BEGS Score: Bachelor/Professional + 2 × Master + 2 × MBA + 3 × Ph.D., where Bachelor/Professional, Master, MBA, Ph.D. are dummy variables taking the value 1 if the member possesses this qualification, and 0 otherwise [116]