Association of parental body mass index (BMI) with child’s health behaviors and child’s BMI depend on child’s age

BMC Obesity

Table 5 The associations among parental BMI, child’s health behaviors, and child’s BMI in girls

Girls	P-BMI ➔ FV	P-BMI ➔ SSB	P-BMI ➔ Screen Time	P-BMI ➔ PA
Constant	2.52 ± 0.15***	0.92 ± 0.12***	19.68 ± 1.40***	0.37 ± 0.10***
Age2	−0.38 ± 0.10***	0.12 ± 0.08	3.78 ± 0.94***	0.52 ± 0.08***
Age3	−0.67 ± 0.19***	0.30 ± 0.14*	8.36 ± 1.73***	0.43 ± 0.13*
P-BMI	−0.008 ± 0.01	0.005 ± 0.009	−0.067 ± 0.105	1.02 ± 0.02
P-BMI*Age2	0.005 ± 0.04	0.015 ± 0.01	0.15 ± 0.13	0.98 ± 0.02
P-BMI*Age3	0.026 ± 0.02	0.021 ± 0.02	0.26 ± 0.22	0.95 ± 0.04
	FV ➔ C-BMI	SSB ➔ C-BMI	Screen Time ➔ C-BMI	PA ➔ C-BMI
Constant	113.86 ± 2.76***	112.78 ± 2.17***	114.17 ± 2.60***	112.22 ± 2.22***
Age2	2.12 ± 2.61	1.53 ± 1.76	−0.70 ± 2.54	2.54 ± 1.85
Age3	1.96 ± 4.40	−1.71 ± 3.35	−8.12 ± 4.78*	1.89 ± 3.12
PBMI	0.48 ± 0.15**	0.49 ± 0.15**	0.48 ± 0.15**	0.51 ± 0.15**
P-BMI*Age2	0.37 ± 0.18*	0.37 ± 0.18*	0.37 ± 0.18*	0.35 ± 0.18*
P-BMI*Age3	0.65 ± 0.31*	0.60 ± 0.31*	0.55 ± 0.31*	0.46 ± 0.31
Behavior	−0.56 ± 0.75	−0.33 ± 1.03	−0.09 ± 0.09	−15.83 ± 5.30*
Behavior*Age2	−0.45 ± 0.89	−0.16 ± 1.22	0.10 ± 0.10	3.67 ± 2.65
Behavior*Age3	−1.98 ± 1.76	0.23 ± 2.02	0.26 ± 0.16	10.39 ± 5.07*

All values are fixed regression coefficient ± SE, except values of P BMI ➔ PA are odd ratios (OR), ±SE
*p < .05, **p = .001, ***p < .001
Constant: preschool (reference groups); Age2: elementary; Age3: middle school
PBMI: mean-centered parental BMI; CBMI: child percent of 95th BMI percentile (%BMIp95)
Behaviors: FV (fruit and vegetable intake [times per day]), SSB (sugar-sweetened beverage intake [times per day]), screen time (TV, DVD, computer, video game [hours per week]), and PA (physical activity [7 days/week vs. < 7 days/week]) of child

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