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

 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*

 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*

 Caregiver’s lower education compared to higher

1.28 (1.02, 1.59)

0.030*

 Old windows compared to new ones

2.01 (1.42, 2.86)

0.000*

 Old windows compared to new ones

1.06 (0.82, 1.37)

0.628