The Prevalence and Associated Factors of Impaired Fasting Glucose among Children and Adolescents in Urban China: A Large-Scale Cross-Sectional Study

Table 2

Different status of FPG^† according to sociodemographics (N = 7,143).

Characteristics	Mean FPG^‡ (M ± SD, mmol/L)	p Value	IFG^§n (%)	p Value
Total participants	4.81 ± 0.53	—	238 (3.3)	—
Sex	—	<0.001	—	<0.001
Male	4.87 ± 0.55	—	167 (4.6)	—
Female	4.74 ± 0.49	—	71 (2.0)	—
Geographical location
Qinling–Huaihe as the boundary	—	<0.001	—	<0.001
Northern area	4.93 ± 0.42	—	203 (4.4)	—
Southern area	4.59 ± 0.62	—	35 (1.4)	—
Provinces/cities	—	<0.001	—	<0.001
Shanghai	4.92 ± 0.45	—	120 (5.7)	—
Guangzhou	4.59 ± 0.62	—	35 (1.4)	—
Tianjin	4.94 ± 0.39	—	83 (3.3)	—
Paternal education level		<0.001		0.071
None/primary	4.95 ± 0.84	—	12 (4.0)	—
Secondary	4.83 ± 0.50	—	185 (3.7)	—
University or above	4.68 ± 0.51	—	31 (2.4)	—
Maternal education level	—	<0.001	—	0.164
None/primary	4.94 ± 0.54	—	19 (3.8)	—
Secondary	4.83 ± 0.52	—	182 (3.6)	—
University or above	4.70 ± 0.54	—	28 (2.5)	—

Note: FPG, fasting plasma glucose; IFG, impaired fasting glucose. ^†Status of FPG, including mean FPG and IFG. ^‡Mean FPG was compared by using t-test or one-way ANOVA. ^§Prevalence of IFG was compared by using Chi-square test. P values <0.05 are presented in bold.