Three-year follow-up of a randomised controlled trial to reduce excessive weight gain in the first two years of life: protocol for the POI follow-up study

Table 1 Outcome measures used to determine the effects of the POI intervention in children at 3.5 years and 5 years of age

				Age
	Measure	Method	Objectives	3.5 years	5 years
Anthropometry	Height, weight	WHO Growth standards [83]	a	Child	Child
	BMI	Calculated	a	Child	Child
	BMI-for-age z-score	WHO Growth standards [83]	c	Child	Child
	Prevalence of overweight	BMI z-score ≥85th but <95th percentile	c	Child	Child
	Prevalence of obesity	BMI z-score ≥ 95th percentile	c	Child	Child
	Waist circumference	WHO Growth standards [83]	c	Child	Child
Self-regulation	Overall self-regulation	NEuroPSYchological Assessment (NEPSY) [63]	b	Child	Child
		Head-Toes-Shoulders-Knees task [64]	b	Child	Child
		Behavior Assessment System for Children (BASC) [85]	b	Child	Child
		Child Behavior Questionnaire [86]	b	Child	Child
	Sleep-related self-regulation	Researcher generated	b	Child	Child
	Energy self-regulation	Children’s Self-Regulation in Eating scale [87]	b	Child	Child
Body composition	Body fat %	Dual-energy X-ray absorptiometry (DXA) scan	d	-	Child
	Lean mass %	Dual-energy X-ray absorptiometry (DXA) scan	d	-	Child
Sleep	Sleep timing	Accelerometry [104]	e	Child	Child
	Sleep duration	Accelerometry [104]	e	Child	Child
	Awakenings	Accelerometry [104]	e	Child	Child
	Sleep problems	Researcher generated	e	Child	Child
	Sleep hygiene	Researcher generated	e	Child	Child
	Sleep disturbances	Sleep Disturbance Scale for Children [94]	e	-	Child
Physical activity	Physical activity	Accelerometry [72]	f	Child	Child
	Sedentary behaviour	Researcher generated	f	Child	Child
Diet	Dietary pattern scores	Food frequency questionnaire [96]	g	Child	Child
	Nutrient intake	Food frequency questionnaire [95]	g	-	Child

ISSN: 1471-2458