Table 5 Bootstrap test result.

From: Study on the influence of new quality productivity on carbon emissions of the manufacturing industry

Variable

Effect

phase

Coefficient

Standard

error

P >|Z|

95% confidence interval

Lower

limit

Upper

limit

PMW(1)

Direct effect

− 6.859

0.235

0.000

− 8.681

− 5.462

Indirect effect

− 4.361

0.427

0.000

− 7.191

− 3.286

LQ(2)

Direct effect

− 0.368

0.549

0.000

− 0.464

− 0.289

Indirect effect

− 0.314

0.286

0.000

− 0.485

− 0.217