KUALA LUMPUR, June 25 -- Only about half of the Malaysian women in a nationwide survey said they could decide to refuse to have sex with their spouse or partner, while others said they could not say "no" due to reasons such as believing it is their duty in a marriage.

In the nationwide study, the top three most common reasons for Malaysian women who felt they cannot refuse to have sex with their spouse or partner were: marital duty; religious beliefs; and fear of causing their partner to be angry.

This study is the first nationally-distributed survey in Malaysia to look at how far Malaysian women are able to make decisions about their own body, which means that the 1,004 female respondents matches Malaysia's population demographics such...