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Table 7 Regression analysis for predictors of BLLs in exposed group (N = 31)

From: The relationship between blood lead levels and occupational exposure in a pregnant population

Variable Coefficient β 95% CI P*
Wearing of special workwear - 0.608 - 1.115 – -0.102 0.021
Changing clothes after work - 0.637 - 1.261 – - 0.013 0.046
Living near painting store 3.937 1.174 – 6.699 0.008
Living near printing office 7.418 .963 – 10.873 0.001
Living near junkyard 3.661 0.691 – 6.632 0.019
Living near rubbish dump 3.469 0.036 – 6.901 0.048
Washing the workwear together with other clothes 2.372 0.267 – 4.477 0.029
  1. R2 = 0.865
  2. * Adjusted by age, educational level and gestational age