Exploring sustainable primary care responses to intimate partner violence in New Zealand: Qualitative use of complexity theory.

The relationship between intimate partner violence and ill-health is not well recognised, or understood in New Zealand, at both policy and practice levels. Inadequate recognition of socioecological determinants of intimate partner violence leads to a simple health system response which constrains primary care professional responsiveness. Constant intervention in system interactions is needed to promote the emergence of sustainable responses to intimate partner violence.