Association between convenience stores near schools and obesity among school-aged children in Beijing, China

BMC Public Health

Table 3 Association between convenience stores within the 800 m network buffer near school and students’ obesity in two districts

	Continuous variable (ten additional convenience stores)			Categorical variable^a (more convenience stores vs less convenience stores)
	OR^b	95% CI	P value	OR^c	95% CI	P value
Model 1	1.06	(0.97, 1.15)	0.178	1.17	(0.89, 1.54)	0.259
Model 2	1.06	(0.97, 1.15)	0.194	1.16	(0.88, 1.54)	0.291
Model 3	1.09	(1.01, 1.18)	0.030	1.34	(1.02, 1.76)	0.035
Model 4	1.10	(1.01, 1.19)	0.029	1.37	(1.04, 1.81)	0.026
Model 5	1.13	(1.03, 1.24)	0.011	1.49	(1.09, 2.03)	0.013

^aCategorical variable was divided by 24: the median number of convenience stores
^bOR for continuous variable was the odds ratio of ten additional convenience stores
^cOR for categorical variable was more than or equal to the median number of 24 versus less than 24 (reference)
Model 1: null model
Model 2: adjusted for districts
Model 3: Model 2 + father’s obesity, mother’s obesity, family type, father’s education, and mother’s education
Model 4: Model 3 + age, gender
Model 5: Model 4 + diet score, meeting the recommendation of MVPA, and meeting the recommendation of screen time

ISSN: 1471-2458