The Scientific World Journal / 2014 / Article / Tab 6

Research Article

Blood Lead Levels and Health Problems of Lead Acid Battery Workers in Bangladesh

Table 6

Predictions of blood lead concentration.

Variables in the modelBlood lead concentration Constant
(%) Beta coefficient
Unstandardized Standardized

Exposure category 24.438.806<0.001−32.425−0.501104.549

Duration of work shift 7.19.9150.0025.3290.28116.843

Regular bathing at end of the day 5.07.1900.008−13.682−0.24283.344

Exposure category +
duration of work shift
27.923.588<0.001−30.246−0.46766.829

Exposure category +
regular bathing at end of the day
27.823.518<0.0013.8610.203118.150
−31.306−0.483

Duration of work shift +
regular bathing at end of the day
18.414.199<0.001−11.314−0.20024.645
7.4640.393

Exposure category +
duration of work shift +
regular bathing at end of the day
35.322.292<0.001−20.572−0.36368.72
−27.508−0.425
5.7490.303
−16.907−0.299

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