Variable

Mean

Standard deviation

Cronbach’s alpha

Perceived ease of use

3.8787

0.7234

0.765

Perceived usefulness

4.0221

0.7575

0.881

Perceived security

4.0591

0.6921

0.788

Perceived credibility

3.4123

0.7336

0.834

Perceived service and information quality

3.9615

0.6895

0.856

E-filing adoption intention

3.6725

0.7132

0.861

E-filing behaviour

3.8562

0.6767

0.791