J Endocrinol Metab

Journal of Endocrinology and Metabolism, ISSN 1923-2861 print, 1923-287X online, Open Access

Article copyright, the authors; Journal compilation copyright, J Endocrinol Metab and Elmer Press Inc

Journal website https://www.jofem.org

Original Article

Volume 12, Number 4-5, October 2022, pages 140-145

Obesity Measurement Index Is Associated With Hemoglobin A1c Level in Young Adult Without Diabetes: A Single-Center Cross-Sectional Study

Figures

Figure 1. Correlation of body mass index (BMI) with HbA1c levels. HbA1c: hemoglobin A1c.

Figure 2. Correlation of waist circumference with HbA1c levels in women group. HbA1c: hemoglobin A1c.

Figure 3. Correlation of body fat percentage with HbA1c levels in women group. HbA1c: hemoglobin A1c.

Tables

**Table 1.** Subject Characteristics
Characteristics	Men (n = 49)	Women (n = 50)	Total (n = 99)
WC: waist circumference; BMI: body mass index; BFP: body fat percentages; HbA1c: hemoglobin A1c; FBG: fasting blood glucose; SD: standard deviation.
Age (years), mean ± SD	31.24 ± 2.89	30.90 ± 3.14	31.07 ± 3.01
WC (cm), mean ± SD	97.76 ± 10.03	86.87 ± 11.27	92.26 ± 11.94
BMI (kg/m²), mean ± SD	27.70 ± 3.59	25.44 ± 5.51	26.56 ± 4.77
BFP (%), mean ± SD	28.67 ± 5.91	38.96 ± 6.15	34.71 ± 7.40
HbA1c (%), mean ± SD	5.38 ± 0.36	5.24 ± 0.32	5.31 ± 0.34
FBG (mg/dL), mean ± SD	88.02 ± 7.56	88.88 ± 7.89	88.45 ± 7.70

**Table 2.** Relationship Between HbA1c Levels With BMI Measurements
BMI	N	HbA1c (%)	P
HbA1c: hemoglobin A1c; BMI: body mass index; Min: minimum; Max: maximum.
Normal, median (Min - Max)	16	5.0 (4.5 - 5.8)	< 0.001
Overweight, median (Min - Max)	25	5.4 (5.0 - 5.8)
Obese I, median (Min - Max)	40	5.3 (4.6 - 6.4)
Obese II, median (Min - Max)	18	5.55 (4.8 - 5.9)

**Table 3.** Relationship Between Waist Circumference and Body Fat Percentage and HbA1c in Women and Men Groups
Group	Parameter	N	HbA1c (%)	P
HbA1c: hemoglobin A1c; Min: minimum; Max: maximum.
Men	Waist circumference, median (Min - Max)
	Central obesity	40	5.4 (4.6 - 6.4)	0.122
	Non-central obesity	9	5.1 (4.9 - 5.9)
	Body fat percentage
	Obesity	37	5.3 (4.6 - 6.4)	0.743
	Non-obesity	12	5.45 (4.6 - 5.8)
Women	Waist circumference, median (Min - Max)
	Central obesity	37	5.3 (4.8 - 5.9)	0.002
	Non-central obesity	13	5.0 (4.5 - 5.6)
	Body fat percentage, median (Min - Max)
	Obesity	35	5.3 (4.5 - 5.9)	0.045
	Non-obesity	15	5.2 (4.6 - 5.5)