Year 2011-2012 2011-2012 2011-2012 2011-2012 2011-2012 2011-2012
Wave 1 2 3 4 5 6
Time point baseline 0-3 months age + 7 days age + 14 days age + 21 days age + 28 days 6 months
Stool frequency/consistency P:SDVC P:SDVC P:SDVC P:SDVC P:SDVC P:SDVC
General physical health and wellbeing P:SDVC P:SDVC P:SDVC P:SDVC P:SDVC P:SDVC
P:PedsQL-ISC
Health services utilisation P:SDV P:SDV P:SDV
Vomiting I-GERQ-RC
P:SDVC
I-GERQ-RC
P:SDVC
I-GERQ-RC
P:SDVC
I-GERQ-RC
P:SDVC
I-GERQ-RC
P:SDVC
I-GERQ-RC
P:SDVC
Reflux I-GERQ-RC I-GERQ-RC I-GERQ-RC I-GERQ-RC I-GERQ-RC I-GERQ-RC
S – self report
P – parent report
C – child report
T – teacher report
N – welfare nurse
O – observation
XM: Mother
XF/P: Father/partner
XC: Child
XS: Sibling
XG: GrandparentSDV: Study Devised Variable
I-GERQ-R: Infant Gastroesophageal Reflux Questionnaire Revised
PedsQL-IS: Pediatric Quality of Life – Infant Scales