Table 2.
Relationship | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Comparison groups | a. Paternal half-cousin |
b. Maternal half-cousin |
c. Full cousin | d. Paternal half-sibling |
e. Maternal half-sibling |
|||||
Offspring exposure status | Yes | No | Yes | No | Yes | No | Yes | No | Yes | No |
Number of offspring | 352 | 629 | 265 | 407 | 2923 | 6179 | 427 | 505 | 488 | 597 |
Mean offspring grades | −0.47 | −0.19 | −0.55 | −0.36 | −0.23 | −0.05 | −0.38 | −0.45 | −0.42 | −0.42 |
- Confidence intervals) | −.57, −.37 | |
−0.27 | −0.11 |
−0.66 | −0.45 |
−0.45 | −0.27 |
−0.26 | −0.19 |
−0.07 | −0.02 |
−0.47 | −0.29 |
−0.53 | −0.36 |
−0.50 | −0.34 |
−0.51 | −0.34 |
Mean education level of schizophrenic parents (CI) | 2.83 2.69 | 2.97 |
- | 2.65 2.52 | 2.79 |
- | 3.13 3.08 | 3.18 |
- | 2.80 2.67 | 2.92 |
- | 2.83 2.69 | 2.97 |
- |
Mean education level of non-schizophrenic parents (CI) | 3.22 3.07 | 3.38 |
3.32 3.22 | 3.42 |
3.26 3.07 | 3.45 |
3.18 3.08 | 3.29 |
3.28 3.22 | 3.33 |
3.52 3.49 | 3.56 |
3.35 3.21 | 3.49 |
3.38 3.28 | 3.49 |
3.34 3.20 | 3.46 |
3.29 3.19 | 3.38 |