Table 3.
Suicidal thoughts, plan, and attempt among twin pairs discordant for disordered gambling.
| Twin pairs discordant for disordered gambling (n = 307) |
McNemar’s test (df = 1) |
||||
|---|---|---|---|---|---|
| Suicidal behavior | Sample | Affected twin % (n) |
Unaffected twin % (n) |
Chi-square | p |
| Suicidal thoughts | Full sample | 35.50 (109) | 26.71 (82) | 6.45 | .0111 |
| Men | 32.56 (56) | 22.67 (39) | 4.90 | .0269 | |
| Women | 39.26 (53) | 31.85 (43) | 1.85 | .1736 | |
| MZ twins | 34.12 (58) | 25.88 (44) | 3.63 | .0568 | |
| DZ twins | 37.23 (51) | 27.74 (38) | 2.86 | .0906 | |
| Suicide plan | Full sample | 9.45 (29) | 7.82 (24) | 0.71 | .3980 |
| Men | 7.56 (13) | 5.23 (9) | 1.14 | .2850 | |
| Women | 11.85 (16) | 11.11 (15) | 0.05 | .8273 | |
| MZ twins | 7.06 (12) | 5.88 (10) | 0.25 | .6171 | |
| DZ twins | 12.41 (17) | 10.22 (14) | 0.47 | .4913 | |
| Suicide attempt | Full sample | 6.51 (20) | 4.56 (14) | 1.50 | .2207 |
| Men | 4.65 (8) | 1.74 (3) | 2.79 | .0956 | |
| Women | 8.89 (12) | 8.15 (11) | 0.07 | .7963 | |
| MZ twins | 7.06 (12) | 4.12 (7) | 2.27 | .1317 | |
| DZ twins | 5.84 (8) | 5.11 (7) | 0.08 | .7815 | |
Note: ATR-II and ATR-III same-sex twin pairs