Cohort Profile: The Pacific Islands Families (PIF) Study

In New Zealand, the Pacific population (those resident with a Pacific Islands heritage) is one of the fastest growing population subgroups and on census night, 7 March 2006, numbered 265 974 usual residents or 6.6% of the total population.1 Auckland is the preferred region of domicile.2 Samoans constitute the largest group (50%), followed by Cook Island Maori (23%), Tongan (18%), Niuean (9%), Fijian (3%), Tokelauan (3%) and Tuvalu Islanders (1%).2 This ethnic diversity is manifest in differing cultures, languages, and differential access to and utilization of education, health and social services. Pacific people are over-represented in many adverse health and social statistics2–4 leading to higher rates of communicable and non-communicable disease,2,4,5 hospitalization3,4,6 and death.2 Yet, prior to this study, there was relatively little culturally specific information on which to base efficacious coordinated public health interventions for this ethnic group.7 The Pacific Islands Families (PIF) Study, a birth cohort study, was developed through a process of collaboration with Pacific communities, researchers, and relevant health and social agencies to provide this much needed information. At inception, the PIF study had two directors, Dr Janis Paterson and Dr Colin Tukuitonga, a number of Pacific and non-Pacific investigators, and a team of Pacific field staff. An independent Pacific People's Advisory Board, composed of community representatives, was established to guide the directors and the management team in the scientific and cultural directions of the research. The Plunket Society (a not-for-profit society with clinical staff and volunteer network, and the largest provider of services to support the health and development of children under five8) also worked closely with the PIF research team.