Table 5.
Regression models with total, verbal and performance IQ as dependent variables
| Total IQ | Verbal IQ | Performance IQ | ||||
|---|---|---|---|---|---|---|
| Estimate | 95% C.I. | Estimate | 95% C.I. | Estimate | 95% C.I. | |
| Intercept | 82.4 | (61.7, 103.0) | 86.5 | (64.7, 108.2) | 82.7 | (61.4, 104.0) |
| Ln(BPb) | −3.5 | (−6.4, −0.6) | −2.9 | (−5.9, 0.1) | −3.1 | (−6.1, −0.1) |
| SES (medium Vs low) | 4.8 | (1.5, 8.1) | 5.1 | (1.6, 8.6) | 3.2 | (−0.2, 6.7) |
| SES (high Vs low) | 8.8 | (5.3, 12.3) | 8.7 | (5.1, 12.4) | 6.5 | (2.9, 10.1) |
| Area (LVC Vs GL) | −2.7 | (−6.5, 1.1) | −2.7 | (−6.7,1.3) | −2.6 | (−6.5, 1.3) |
| Area (MVC Vs GL) | 2.5 | (−0.6, 5.7) | 1.9 | (−1.4, 5.2) | 2.7 | (−0.6, 5.9) |
| Area (UVC Vs GL) | −4.3 | (−9.5, 0.9) | −4.3 | (−9.8, 1.2) | −3.5 | (−8.8, 1.9) |
| Alcohol | −12.7 | (−20.4, −5.0) | −12.6 | (−20.7, −4.6) | −9.3 | (−17.2, −1.4) |
| Hemoglobin | 1.5 | (0.0, 3.0) | 0.9 | (−0.7, 2.5) | 1.8 | (0.2, 3.3) |
VC Lower ValCamonica, MVC – Mid ValCamonica, UVC – Upper ValCamonica
*
the overall effect of the residence area was considered significant (p=0.027).