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Table 2 Study measures

From: The effectiveness of a sustained nurse home visiting intervention for Aboriginal infants compared with non-Aboriginal infants and with Aboriginal infants receiving usual child health care: a quasi-experimental trial - the Bulundidi Gudaga study

  Measures Rationale Collection Schedule Instrument
  Postnatal Month
A 1 6 12 18 24 36 48
Primary Outcomes   Breastfeeding Important for health/development, poor in Aboriginal children [33].        Parental questionnaire (CHS items 37,39) collated at 12 months [34].
  Body mass index Childhood obesity is increasing. Home visiting interventions have had impact, although not sustained over time [35].         Child weight and height; BMI = kg/m2.
  Child development Studies reporting significantly lower levels of performance for Indigenous children compared to their non-Indigenous counterparts on cognitive and language tasks at school entry [36, 37].         Griffiths child developmental assessment [14].
  Child vocabulary development         Peabody Picture Vocabulary Test – 4th Edition [38].
Secondary Outcomes Child Child birthweight Low birth weight more prevalent in Aboriginal children [33].         Birth weight recorded in perinatal statistics.
Child health Child health is associated with health in later life [39].   General health (CHS item 97) [34]; Paediatric assessment (18 months).
Child dental health Dental disease is an important cause of potentially preventable hospitalisations particularly for young Aboriginal children age 0–4 [40].         Dental assessment (dmft: decayed, missing and filled primary teeth); Significant Caries Index (SiC).
Illnesses and injury Aboriginal children have increased hospital admissions for respiratory illness, ear disease, gastroenteritis [41, 42].   Parental questionnaire; Paediatric assessment (18 months);
Hospital data collections. Collated at 24 and 48 months.
Age at first solids Disadvantaged mothers more likely to introduce solids too early [43].         Parental questionnaire (CHS items 48–49), collated at 12 months) [34].
Age appropriate immunisation Contact with health professionals is influential in immunisation [44].       Parental questionnaire validated by Child Personal Health Record (Blue Book) [45].
Mother Maternal enablement Enabling mother is a key principle of SNHV [10, 46, 47].          Modified Patient Enablement Instrument (Groups A and B only) [48].
Parental child developmental enablement Parental enablement of their child’s development is a key purpose of the intervention.       Modified Patient Enablement Instrument (Groups A and B only) [48].
Knowledge of SIDS risk factors Disadvantaged families less likely to act to reduce risk of SIDS [49].        Parental questionnaire [50].
Maternal health Associated with child health.        12-Item Short Form Health Survey (SF-12) [51].
Maternal smoking Risk factor for adverse perinatal outcomes [33]. Fagerstrom test for nicotine dependence [52].
Family Maternal social support Positively influences families, parents, children [53]. Parental questionnaire (CHS items 191–196) [34].
Family functioning Affects health and wellbeing of children [53]. McMaster Family Assessment Device [54].
Home Home environment Stimulating environment associated with infant development [55].         HOME Inventory [56].
Household smoking Increases risk of child respiratory problems [57]. Parental questionnaire (CHS items 291–294) [34].
Service use Use of and satisfaction with services Parenting programs are effective in improving child behaviour [58]. Parental questionnaire (CHS items 15, 18, 178–189, 285, 290) [34].
  Mother satisfaction with home visiting service Mothers are more likely to make use of services that are accessible and acceptable [59].      Parental questionnaire (Modified PSQ-18 Groups A and B only) [50]; Program retention.