In a series of papers released today by the World Health Organization and others, experts estimated nearly 40 per cent of women killed worldwide were slain by an intimate partner and that being assaulted by a partner was the most common kind of violence experienced by women.
"Violence against women is a global health problem of epidemic proportions," WHO Director-General Dr Margaret Chan said in a statement.
WHO defined physical violence as being slapped, pushed, punched, choked or being attacked with a weapon. Sexual violence was defined as being physically forced to have sex, having sex because you were afraid of what your partner might do and being compelled to do something sexual that was humiliating or degrading.
In conjunction with the report, WHO issued guidelines for authorities to spot problems earlier and said all health workers should be trained to recognize when women may be at risk and how to respond appropriately.
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Globally, the WHO review found 30 per cent of women are affected by domestic or sexual violence by a partner. The report was based largely on studies from 1983 to 2010.
According to the United Nations, more than 600 million women live in countries where domestic violence is not considered a crime.
Some experts said screening for domestic violence should be added to all levels of health care, such as obstetric clinics.
"It's unlikely that someone would walk into an ER and disclose they've been assaulted," said Sheila Sprague of McMaster University in Canada, who has researched domestic violence in women at orthopedic clinics. She was not connected to the WHO report.
For domestic violence figures, scientists analysed information from 86 countries focusing on women over the age of 15. They also assessed studies from 56 countries on sexual violence by someone other than a partner, though they had no data from the Middle East.