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Table 5 Multiple log-linear regression analysis with age, gender, years of working, MSS, HBM alert, HBM high as independent variables

From: Health-related quality of life (EQ-5D + C) among people living in artisanal and small-scale gold mining areas in Zimbabwe: a cross-sectional study

VAS (r2 = 0.058)

un. coeff.

SE

95% CI

p-value

change in %

95% CI

Constant

4.470

0.068

4.335

4.604

0.000**

8634.449

7535.439

9891.648

Gender

0.035

0.038

− 0.041

0.111

0.363

3.569

−3.993

11.726

Age

−0.003

0.002

−0.006

0.000

0.042*

−0.327

− 0.642

− 0.012

Years of working

0.004

0.002

0.000

0.009

0.052

0.446

−0.004

0.898

HBM alert

0.042

0.036

−0.029

0.112

0.246

4.249

−2.854

11.872

HBM high

−0.106

0.044

−0.194

−0.019

0.018*

−10.070

−17.612

−1.839

MSS

−0.031

0.012

−0.054

−0.008

0.008**

−3.069

−5.264

−0.823

HU (r2 = 0,075)

un. coeff.

SE

95% CI

p-value

change in %

95% CI

Constant

4.496

0.058

4.382

4.611

0.000**

8868.573

7898.545

9956.242

Gender

0.042

0.033

−0.022

0.106

0.199

4.291

−2.200

11.213

Age

0.000

0.001

−0.002

0.003

0.838

0.028

−0.241

0.297

Years of working

0.001

0.002

−0.002

0.005

0.492

0.133

−0.248

0.515

HBM alert

0.010

0.031

−0.051

0.070

0.749

0.985

−4.930

7.268

HBM high

−0.039

0.038

−0.113

0.036

0.310

−3.778

−10.695

3.676

MSS

−0.044

0.010

−0.063

−0.024

0.000**

−4.275

−6.122

−2.392

  1. r2 adjusted r square; VAS visual analogue scale, HU health utilities, HBM alert and HBM high human biomonitoring limit values combined from urine and blood mercury levels, MSS medical score sum, un. coeff. unstandardized coefficient, SE standard error, CI confidence interval
  2. * = significance level 0.05; ** = significance level 0.01