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Table 2 Final multivariable linear regression models for the total sample, for the sample from Yerevan and for the combined sample from Akhtala and Alaverdi

From: Risk factors for children’s blood lead levels in metal mining and smelting communities in Armenia: a cross-sectional study

Variables Adjusted ratio of expected GM of BLL (95 % CI) p value
Total sample
 Combined Akhtala and Alaverdi compared to Yerevan 1.24 (1.09, 1.42) 0.001*
 Caregiver’s lower education compared to higher 1.23 (1.07, 1.41) 0.004*
 Dusting furniture less often than daily compared to daily 1.29 (0.98, 1.55) 0.075**
 Closer housing distance from toxic source(s) compared to farther 1.22 (1.08,1.38) 0.002*
Akhtala and Alaverdi combined
 Caregiver’s lower education compared to higher 1.20 (1.01, 1.43) 0.035*
 Dusting furniture less often than daily compared to daily 1.30 (1.04, 1.64) 0.024*
Yerevan
 Caregiver’s lower education compared to higher 1.28 (1.02, 1.59) 0.030*
For housing located farther from toxic source(s)***
 Old windows compared to new ones 2.01 (1.42, 2.86) 0.000*
For housing located closer to the toxic source(s)
 Old windows compared to new ones 1.06 (0.82, 1.37) 0.628
  1. * Statistical significance (p ≤ 0.05)
  2. ** Marginally statistical significance (0.05 > p ≤ 0.1)
  3. *** Interaction term between housing distance from toxic source(s) and type of window was statistically significant (p < 0.004)