The more it happens, the more likely it is to happen again. In about one-third of cases, medical treatment is required. Injuries include bruises, lacerations, fractures, dislocations, burns, scalds. Wife assault happens after hours. About half the incidents occur on weekends.
Most cases occur in the family home.
The kitchen and master bedroom are the most dangerous rooms. Of the 107 reported murders in immediate families in Canada in 1975, the wife was killed by the husband in 49 cases. The husband was killed by the wife in 8. Some wives do abuse their husbands. Some relationships are characterized by mutual violence.