Non-standardized coefficient

Standardized coefficient

t

p

95% CI

VIF

B

Standard error

Beta

Constant

3.722

3.203

-

1.162

0.048

−2.556 - 10.000

-

pH 1 (<5.5)

−0.035

0.162

−0.165

−0.216

0.038

−0.352 - 0.282

3.295

pH 2 (5.5 - 6.5)

−0.093

0.351

−0.382

−0.266

0.051

−0.780 - 0.594

11.616

pH 3 (6.5 - 7.5)

0.062

0.122

0.436

0.512

0.030

−0.176 - 0.300

4.096

pH 4 (7.5 - 8.4)

0.091

0.385

0.359

0.238

0.022

−0.663 - 0.846

12.852