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Table 1 Study measures

From: Effectiveness of a behavioural intervention to prevent excessive weight gain during infancy (The Baby Milk Trial): study protocol for a randomised controlled trial

Measures Baseline 4 months 6 months 8 months 12 months
Questionnaire measures      
Baseline questionnairea I, C     
Milk feeds questionnaire I, C I, C I, C   
Maternal attitudesb I, C   I, C   
Temperament, sleep and eating behaviourc    I, C   
4-day diet diaryd     I, C  
Health Service Utilisation    I,C   I, C
Maternal quality of lifee I, C   I,C   I,C
Maternal anxietyf I, C   I,C   
Intervention evaluation    I   I
Anthropometry      
Parents’ height I, C     
Parents’ weight I, C   I, C   I, C
Baby weight I, C I I, C   I, C
Baby supine length I, C I I, C   I, C
Baby head circumference I, C   I, C   I, C
Baby abdominal circumference I, C   I, C   I, C
Baby skin fold thickness      I, C
Baby abdominal Ultrasound      I, C
  1. I Intervention group; C Control group
  2. aBaseline Questionnaire: Parents: Demography (age; education - age at completion and highest qualification; occupation; ethnicity; marital status - cohabiting/married/single); weight and height. Mother’s: lifestyle (smoking - during pregnancy, current alcohol consumption), pregnancy (duration, weight -before pregnancy and at time of delivery), delivery (normal, instrumental, or caesarean) and previous children (number, feeding-breast, formula, dependent on instructions/appetite/growth - Likert scale). Baby’s: sex, weight and length at birth and 6 weeks
  3. bMaternal attitudes and feeding practices (questionnaire developed for use in this study): Mother’s attitudes; psychological measures based on Social Cognitive Theory (self-efficacy, outcome expectancy, intentions, and motivation); perception of baby’s weight. Type of feed (breast/ expressed/ formula/ mixed), feed on demand/routine/both; feed based on instructions/appetite/growth – Likert scale
  4. Bottle feeds (type, frequency, amounts, duration, how reconstituted, advice followed, age when started), Breastfeeds (frequency, duration, and expressed milk). Other drinks and foods. Age at weaning (only at 6 months)
  5. cValidated questionnaires used with permission from Prof Jane Wardle and Mary Rothbart
  6. dDiet diary: developed in collaboration with MRC HNR, and used in the National Diet and Nutrition Survey of Infants and Young Children
  7. eQuality of Life: EuroQol Visual Analogue Scale and Short Form 8
  8. fAnxiety: Spiegelberger Short State Anxiety Inventory