A cross-sectional study of obesogenic behaviours and family rules according to family structure in European children

Table 4 Association between family structure and the presence of family rules in European families

	Model 1		Model 2
	OR (95% CI)	P-value	OR (95% CI)	P-value
Rules regarding screen time (yes = 1)
Number of families	4133		4131
Two-parent biological	Reference		Reference
Single-parent	0.61 (0.40,0.93)	0.021	0.62 (0.40,0.94)	0.026
Two-parent blended/adoptive	0.66 (0.47,0.91)	0.011	0.66 (0.47,0.91)	0.011
Other family types	0.96 (0.50,1.84)	0.88	0.97 (0.50,1.86)	0.93
Bedtime routines (yes = 1)
Number of families	2978		2976
Two-parent biological	Reference		Reference
Single-parent	0.88 (0.53,1.45)	0.62	0.89 (0.54,1.46)	0.64
Two-parent blended/adoptive	1.32 (0.83,2.1)	0.24	1.32 (0.83,2.1)	0.24
Other family types	0.75 (0.37,1.5)	0.41	0.74 (0.37,1.5)	0.40
Availability of SSBs during meals (yes = 1)
Number of families	4251		4249
Two-parent biological	Reference		Reference
Single-parent	0.82 (0.56,1.20)	0.30	0.82 (0.56,1.21)	0.32
Two-parent blended/adoptive	0.80 (0.60,1.07)	0.14	0.80 (0.60,1.07)	0.13
Other family types	1.14 (0.70,1.85)	0.61	1.14 (0.70,1.86)	0.59

Abbreviations: OR, Odds Ratio; CI, Confidence Interval; SSBs, sugar-sweetened beverages
Model 1 is adjusted for adjusted for sex (only girls/only boys/both sexes), age (younger (<12 years) children /older (≥12 years) children / younger (<12 years) and older (≥12 years) children), parental education level, number of children and adults in the household
Model 2 is additionally adjusted for the BMI z-score (mean BMI z-score in case of more than one child in the family)

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