Table 5:
Comparison of the intimate partner group with the control group (NS – non significant)
| Compared characteristics between the IP group and the control group | P value | Significantly greater in… (% in IP and Control group) | Post-hoc power analysis (%) | |
|---|---|---|---|---|
| Perpetrator age in IP group vs. Male partner age in Controls | 0.024 | Control | 100 | |
| Victim age in IP group vs. Female partner age in Controls | 0.046 | Control | 100 | |
| Different ethnicity of perpetrator and victim in | 0.824 | NS | 100 | |
| IP group vs. Different ethnicity of partners in Controls | ||||
| Socio-economic status | Poor | 0.001 | IP (57.6, 38.8) | 89.5 |
| Middle | 0.021 | Control (35.3, 48.5) | 62.9 | |
| Rich | 0.101 | NS | 38.9 | |
| Current financial issues | 0.001 | IP (51.7, 33) | 89.8 | |
| Long-lasting financial issues | 0.058 | NS | 47.6 | |
| Type of neighborhood (suburban, downtown, outstriks or rural) | 0.156 | NS | 44.7 | |
| Living place renting | 0.127 | NS | 33.2 | |
| Education of perpetrator in IP group vs. Education of male partner in Controls | NQ | < 0.001 | IP (40.8, 20.4) | 96.8 |
| Q | 0.046 | Control (50.4, 62.1) | 51.2 | |
| HE | 0.021 | Control (8.8, 17.5) | 62.7 | |
| Education of victim in IP group vs. Education of female partner in Controls | NQ | < 0.001 | IP (46.6, 11.7) | 100 |
| Q | < 0.001 | Control (42.4, 72.8) | 100 | |
| HE | 0.154 | NS | 31 | |
| Education difference | < 0.001 | IP (51.3, 28.2) | 98.3 | |
| Unemployment of perpetrator in IP group vs. Unemployment of male partner in Controls | < 0.001 | IP (50.4, 23.3) | 99.9 | |
| Unemployment of victim in IP group vs. Unemployment of female partner in Controls | 0.388 | NS | 13.2 | |
| Marital dissatisfaction assumed by perpetrator in IP group vs. Marital dissatisfaction assumed by male partner in Controls | < 0.001 | IP (53.6, 12.6) | 100 | |
| Marital dissatisfaction assumed by victim in IP group vs. Marital dissatisfaction assumed by female partner in Controls | < 0.001 | IP (71.7, 16.5) | 100 | |
| Alcohol use | < 0.001 | IP (51.3, 18.4) | 100 | |
| Drug use | 0.688 | NS | 5.6 | |
| Gambling | 0.004 | IP (47.1, 30.1) | 84.3 | |
| History of forced sex | 0.441 | NS | 10.5 | |
| Obsessive jealoulsy, stalking behavior, extensive dominance | < 0.001 | IP (63.3, 19.4) | 100 | |
| Separation / ongoing divorce | < 0.001 | IP (21.1, 3.9) | 99.6 | |
| History of perpetrator being violated as a sense of his own in IP group vs. History of at least one partner being violated as a sense of its own in Controls | 0.036 | IP (31.5, 20.4) | 55.6 | |
| History of perpetrator being beaten by a family member in IP group vs. History of at least one partner being beaten by a family member in Controls | < 0.001 | IP (84.5, 35.9) | 100 | |
| History of perpetrator witnessing domestic violence during childhood in IP group vs. History of at least one partner witnessing domestic violence during childhood in Controls | 0.002 | IP (55.3, 36.9) | 88.3 | |
| Other violent criminal history of perpetrator in IP group vs. Other violent criminal history of any partner in Controls | 0.017 | IP (33.2, 20.4) | 67.5 | |
| Pregnancy | 0.001 | IP (13.1, 1.9) | 95.5 | |
| Physical disability | 0.019 | IP (27.3, 15.5) | 66.6 | |
| Mental illness | 0.007 | IP (25.6, 12.6) | 78.9 | |