Ronald Hagan

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Previous research has established that high levels of trait anxiety commonly are associated with an automatic pattern of encoding selectivity, operating to favour the processing of emotionally threatening information. It has been suggested that this processing bias may play a functional role in mediating emotional vulnerability by moderating affective(More)
OBJECTIVE This study was undertaken to determine the effects of repeated courses of antenatal corticosteroids on childhood behavior and disabilities, including cognitive delay and cerebral palsy. STUDY DESIGN Nonrandomized regional cohort of 541 very preterm infants born in Western Australia from singleton pregnancies and alive at 3 years were included in(More)
BACKGROUND Postnatal depression can cause adverse effects on both mother and infant, but its impact on breastfeeding duration is poorly understood. The aim of this study was to investigate the relationship between maternal postnatal depression and breastfeeding duration. METHODS A cohort of 1745 women was recruited on the postnatal wards of two large(More)
OBJECTIVE To test whether critical incident stress debriefing after childbirth reduces the incidence of postnatal psychological disorders. DESIGN Randomised single-blind controlled trial stratified for parity and delivery mode. SETTING Two large maternity hospitals in Perth. PARTICIPANTS 1745 women who delivered healthy term infants between April 1996(More)
Background: Few comprehensive systems are available for assessing and reporting the overall health of pre-school children.Objectives: (i) To develop a multi-dimension health status classification system (HSCS) to describe pre-school (PS) children 2.5–5 years of age; (ii) to report reliability and validity of the newly developed measure. Design: Existing(More)
OBJECTIVE To test whether a cognitive-behaviour therapy intervention program reduces the prevalence of depression during the first postnatal year in mothers of very preterm babies. DESIGN Prospective, single blind, randomised, controlled study. SETTING Perinatal centre in Western Australia. PARTICIPANTS One hundred and ninety-nine out of 673(More)
OBJECTIVE to evaluate the effects of an extended midwifery support (EMS) programme on the proportion of women who breast feed fully to six months. DESIGN randomised controlled trial. SETTING large public teaching hospital in Australia. PARTICIPANTS 849 women who had given birth to a healthy, term, singleton baby and who wished to breast feed. (More)
BACKGROUND Patent ductus arteriosus (PDA), a common complication in extremely preterm infants, is associated with increased mortality and morbidity. Phototherapy has been associated with PDA, and one randomized, control trial has shown that shielding of the chest may decrease the risk of PDA. AIM To examine if chest shielding reduces the incidence and(More)
BACKGROUND As well as being highly comorbid conditions, autism spectrum disorders (ASD) and intellectual disability (ID) share a number of clinically-relevant phenomena. This raises questions about similarities and overlap in diagnosis and aetiological pathways that may exist for both conditions. AIMS To examine maternal conditions and perinatal factors(More)