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Aim To report a programme theory for pre-natal home visiting by nurses in the context of a sustained nurse home visiting programme by exploring pre- and postnatal outcomes and characteristics of the intervention that may have contributed to the outcomes. Background Studies have shown sustained nurse home visiting commencing pre-natally to be effective. Few studies have explored the processes by which pre-natal activities by nurses contribute to achieving effective outcomes. Design Process evaluation. Methods Process and outcome data from a randomized controlled trial of sustained nurse home visiting in an area of socioeconomic disadvantage in Western Sydney between 2005-2008 were collated. The pre-natal intervention focused on improving transition to parenting by supporting mothers through pregnancy. Health and service use outcome data were analysed for 208 women (111 intervention; 97 comparison receiving usual care). Five nurses delivering the intervention completed checklists detailing activities undertaken. Results Nurses provided information, psychosocial support, and health promoting activities for families. Intervention mothers had a higher rate of unassisted vaginal births than the general population. Compared with comparison mothers, intervention mothers at 4-6 weeks postnatally reported better general health and felt significantly more enabled to cope with and understand their baby and to care for themselves and their baby. Conclusion Comprehensive support, in a context of enabling client-nurse relationships and continuity of carer are the ways by which antenatal nurse home visiting achieves benefits for women and infants, having an impact on both clinical outcomes such as rates of normal vaginal delivery and maternal service engagement. [ABSTRACT FROM AUTHOR]

Background: Home visiting programs comprising intensive and sustained visits by professionals (usually nurses) over the first two years of life show promise in promoting child health and family functioning, and ameliorating disadvantage. Australian evidence of the effectiveness of sustained nurse home visiting in early childhood is limited. This paper describes the method and cohort characteristics of the first Australian study of sustained home visiting commencing antenatally and continuing to child-age two years for at-risk mothers in a disadvantaged community (the Miller Early Childhood Sustained Home-visiting trial). Methods and design: Mothers reporting risks for poorer parenting outcomes residing in an area of socioeconomic disadvantage were recruited between February 2003 and March 2005. Mothers randomised to the intervention group received a standardised program of nurse home visiting. Interviews and observations covering child, maternal, family and environmental issues were undertaken with mothers antenatally and at 1, 12 and 24 months postpartum. Standardised tests of child development and maternal-child interaction were undertaken at 18 and 30 months postpartum. Information from hospital and community heath records was also obtained. Discussion: A total of 338 women were identified and invited to participate, and 208 were recruited to the study. Rates of active follow-up were 86% at 12 months, 74% at 24 months and 63% at 30 months postpartum. Participation in particular data points ranged from 66% at 1 month to 51% at 24 months postpartum. Rates of active follow-up and data point participation were not significantly different for the intervention or comparison group at any data point. Mothers who presented for antenatal care prior to 20 weeks pregnant, those with household income from full-time employment and those who reported being abused themselves as a child were more likely to be retained in the study. The Miller Early Childhood Sustained Home-visiting trial will provide Australian evidence of the effectiveness of sustained nurse home visiting for children at risk of poorer health and developmental outcomes. [ABSTRACT FROM AUTHOR]