Table 2:
Comparison of FIML correlations for smoking initiation in the VA& OZ sample
| US | OZ | All | |||||
|---|---|---|---|---|---|---|---|
| df | χ2 | p | χ2 | p | χ2 | p | |
| equate parent-offspring | 3 | 19.13 | 0 | 51.11 | 0 | 17.2 | 0 |
| equate twin-parent in law | 3 | 1.92 | 0.59 | 50.44 | 0 | 4.24 | 0.24 |
| equate siblings | 2 | 28.69 | 0 | 40.08 | 0 | 89.63 | 0 |
| equate sibs and spouse of twin | 3 | 1.54 | 0.67 | 4.02 | 0.26 | 4.85 | 0.18 |
| equate grandparents-children | 7 | 1.83 | 0.97 | 6.4 | 0.49 | 6.59 | 0.47 |
| equate avuncular through MZ twins | 3 | 4.81 | 0.19 | 53.63 | 0 | 3.99 | 0.26 |
| equate avuncular through DZ twins | 7 | 49.27 | 0 | 3.73 | 0.81 | 8.4 | 0.3 |
| equate avuncular through sibs | 7 | 6.27 | 0.51 | 10.15 | 0.18 | 12.6 | 0.08 |
| equate avuncular inlaws through MZ twins | 3 | 3.19 | 0.36 | −5.22 | 1.69 | 0.64 | |
| equate avuncular inlaws through DZ twins | 7 | 3.82 | 0.8 | 4.6 | 0.71 | 2.82 | 0.9 |
| equate cousins through MZ twins | 5 | 1.25 | 0.94 | 7.85 | 0.17 | 3.47 | 0.63 |
| equate cousins through DZ twins | 9 | 7.48 | 0.59 | 7.1 | 0.63 | 10.47 | 0.31 |
| equate spouse w MZ co-twin | 1 | 2.07 | 0.15 | −0.09 | 1.45 | 0.23 | |
| equate spouse w DZ co-twin | 3 | 0.78 | 0.86 | 3.51 | 0.32 | 2.24 | 0.52 |
| equate spouse w spouse MZ twin | 1 | 2.85 | 0.09 | 1.84 | 0.17 | 5.87 | 0.02 |
| equate spouse w spouse DZ twin | 2 | 2.61 | 0.27 | 0.34 | 0.85 | 2.73 | 0.26 |
| equate MZ twins | 1 | 1.16 | 0.28 | 2 | 0.16 | 0.12 | 0.73 |
| equate DZ twins | 2 | 16.48 | 0 | 11.57 | 0 | 27.65 | 0 |
| equate all correlations by sex | 69 | 107.13 | 0 | 97.48 | 0.01 | 151.38 | 0 |
bold indicates significant difference in correlations by sex