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Table 3 Relationship between systolic blood pressure and other independent variables

From: The association between cadmium and lead exposure and blood pressure among workers of a smelting industry: a cross-sectional study

Independent variables

β coefficient

(Standardized β coefficient)

95% CI

p-value

Age

0.061 (0.082)

- 0.101 – 0.222

0.461

BMI

1.509 (0.230)

1.056–1.961

< 0.001 †

Fasting blood glucose

0.044 (0.044)

- 0.042 – 0.131

0.315

Dyslipidemia (Yes vs. No)

- 1.014 (1.497)

- 3.961 – 1.934

0.499

High risk alcohol drinking habit (Yes vs. No)

- 0.851 (1.412)

- 3.630 – 1.929

0.547

Smoking status (Yes vs. No)

- 1.244 (1.446)

- 4.091 – 1.602

0.390

Adequate exercise (Yes vs. No)

- 2.324 (1.396)

- 5.073 – 0.425

0.097

Family history of hypertension (Yes vs. No)

4.066 (2.304)

- 0.469 – 8.601

0.079

Per doubling of blood cadmiuma

2.171 (0.855)

0.487–3.854

0.012 †

Per doubling of blood leada

- 0.636 (1.029)

- 2.661 – 1.389

0.537

R2 = 0.212 (p < 0.001)

  1. p - value was calculated by multiple linear regression analysis. alogarithm (base 2) transformation of blood cadmium or lead concentration. Those who were taking antihypertensive drugs were excluded. † p < 0.05