Like me, like you – relative importance of peers and siblings on children’s fast food consumption and screen time but not sports club participation depends on age

Bogl, Leonie H.; Mehlig, Kirsten; Ahrens, Wolfgang; Gwozdz, Wencke; de Henauw, Stefaan; Molnár, Dénes; Moreno, Luis; Pigeot, Iris; Russo, Paola; Solea, Antonia; Veidebaum, Toomas; Kaprio, Jaakko; Lissner, Lauren; Hebestreit, Antje

doi:10.1186/s12966-020-00953-4

International Journal of Behavioral Nutrition and Physical Activity

Table 4 The relative importance of peers and sibling behavior change on children’s lifestyle behavioral change for all children, and stratified by target children’s sex, sibling pair sex and age difference between siblings

From: Like me, like you – relative importance of peers and siblings on children’s fast food consumption and screen time but not sports club participation depends on age

				Fast food consumption (frequency/week)		P-value	Screen time duration (hours/week)		P-value	Sports club duration (hours/week)		P-value
Model	Outcome: child’s behavior	N	Explanatory variables	β	95% CI	P-value	β	95% CI	P-value	β	95% CI	P-value
2	All children	525	Peer’s behavior change	0.93	0.81, 1.04	< 0.001	0.46	0.24, 0.68	< 0.001	0.43	0.18, 0.68	0.001
2	All children	525	Sibling’s behavior change	0.14	0.07, 0.21	< 0.001	0.40	0.33, 0.47	< 0.001	0.28	0.20, 0.36	< 0.001
2a	Boys	272	Peer’s behavior change	0.97	0.81, 1.12	< 0.001	0.55	0.25, 0.84	< 0.001	0.33	0.01, 0.64	0.041
2a	Boys	272	Sibling’s behavior change	0.14	0.06, 0.22	0.001	0.44	0.34, 0.54	< 0.001	0.23	0.13, 0.33	< 0.001
2b	Girls	253	Peer’s behavior change	0.87	0.70, 1.04	< 0.001	0.12	−0.25, 0.48	0.530	0.56	0.16, 0.96	0.007
2b	Girls	253	Sibling’s behavior change	0.12	0.00, 0.24	0.052	0.39	0.30, 0.49	< 0.001	0.34	0.21, 0.47	< 0.001
2c	Children with a same-sex sibling	265	Peer’s behavior change	0.91	0.75, 1.07	< 0.001	0.51	0.20, 0.82	0.001	0.44	0.09, 0.79	0.013
2c	Children with a same-sex sibling	265	Sibling’s behavior change	0.23	0.14, 0.33	< 0.001	0.50	0.40, 0.61	< 0.001	0.28	0.16, 0.41	< 0.001
2d	Children with an opposite-sex sibling	260	Peer’s behavior change	0.94	0.78, 1.11	< 0.001	0.34	0.04, 0.64	0.032	0.35	−0.02, 0.72	0.062
2d	Children with an opposite-sex sibling	260	Sibling’s behavior change	0.03	−0.06, 0.13	0.487	0.32	0.23, 0.42	< 0.001	0.26	0.15, 0.38	< 0.001
2e	Children with a near-aged sibling (≤ 2.7 years differences)	190	Peer’s behavior change	0.48	0.25, 0.72	< 0.001	0.69	0.30, 1.09	0.001	0.44	0.09, 0.79	0.013
2e	Children with a near-aged sibling (≤ 2.7 years differences)	190	Sibling’s behavior change	0.41	0.15, 0.68	0.001	0.52	0.40, 0.64	< 0.001	0.28	0.16, 0.41	< 0.001
2f	Children with a much younger or older sibling (> 2.7 years differences)	335	Peer’s behavior change	1.06	0.90, 1.21	< 0.001	0.25	−0.02, 0.51	0.065	0.35	−0.02, 0.72	0.062
2f		335	Sibling’s behavior change	0.11	0.05, 0.19	0.001	0.33	0.25, 0.41	< 0.001	0.26	0.15, 0.38	< 0.001

N, number of observations of children
Each child from a sibling pair was randomly assigned to be the target child or sibling
Linear mixed models adjusted for age and sex of the target children, age of the sibling, sex of the sibling pair, birth order, parental education, and country and family ID as random effects
In model 1e the age difference between the sibling is ≤2.7 years. In model 1f the age difference between siblings is > 2.7 years

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ISSN: 1479-5868

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