Fast food consumption and its associations with obesity and hypertension among children: results from the baseline data of the Childhood Obesity Study in China Mega-cities

Table 2 Prevalence of fast food consumption and health outcomes among children in the study (n = 1626)^ab

Characteristics	Had FFC each week (%)		Times of FFC per week (%)						Health outcomes, yes (%)
Characteristics	Western FFC	Chinese FFC	Western FFC			Chinese FFC			Overweight (including obesity)	Obesity	Central obesity	Hypertension
			Not consumed	1–2 time	≥ 3 times	Not consumed	1–2 times	≥ 3 times
All	51.9	43.6	48.1	36.3	15.6	56.4	40.0	3.6	26.2	11.1	19.7	9.0
School
Primary school	51.5	38.1	48.5	39.2	12.3	61.9	35.3	2.8	26.9	12.3	20.1	5.7
Middle school	52.2	48.8	47.8	33.7	18.5	51.2	44.4	4.4	25.5	9.9	19.2	12.7
P-value	0.756	< 0.001	0.001			< 0.001			0.529	0.134	0.625	< 0.001
Gender
Boys	51.3	46.2	48.8	36.8	14.5	53.9	41.6	4.5	33.9	15.2	27.4	9.3
Girls	52.4	41.3	47.6	35.8	16.6	58.8	38.5	2.7	18.2	6.9	11.7	8.8
P-value	0.656	0.051	0.507			0.044			< 0.001	< 0.001	< 0.001	0.734
City
Beijing	49.8	44.5	50.2	31.7	18.1	55.5	40.3	4.2	28.9	11.9	19.1	9.1
Shanghai	51.9	45.0	48.2	36.1	15.7	55.6	41.1	3.3	27.3	10.5	23.0	7.5
Nanjing	55.1	46.1	44.9	38.5	16.6	53.9	40.5	5.6	21.7	10.6	20.7	11.9
Xi’an	50.8	39.2	49.2	39.7	11.2	60.8	38.1	1.1	26.6	11.5	15.9	7.7
P-value	0.464	0.235	0.059			0.039			0.108	0.907	0.080	0.117

Abbreviations: FFC fast food consumption
^aColumn % was used for comparison
^bThe differences across groups were tested using Chi-square or t-tests. Those bolded were P < 0.05 for the group differences

ISSN: 1471-2458