Overweight and obesity in relation to cardiovascular disease risk factors among medical students in Crete, Greece

BMC Public Health

Table 3 Relationship between obesity indices and CVD risk factor variables in University of Crete medical students

		SBP (mmHg)	DBP (mmHg)	BG (mmol/l)	TC (mmol/l)	TG (mmol/l)	HDL-C (mmol/l)	LDL-C (mmol/l)	TC:HDL-C
Obesity index	N¹	Mean ± S.E.²
BMI (kg/m²)
< 20.0	113	112 ± 1.2	75 ± 1.0	4.50 ± 0.06	4.56 ± 0.09	0.70 ± 0.04	1.36 ± 0.04	2.83 ± 0.09	3.56 ± 0.13
20.0–24.9	560	117 ± 0.5	76 ± 0.4	4.63 ± 0.03	4.57 ± 0.04	0.71 ± 0.02	1.30 ± 0.02	2.87 ± 0.04	3.66 ± 0.05
25.0–29.9	273	121 ± 0.8	79 ± 0.6	4.67 ± 0.04	4.74 ± 0.06	0.80 ± 0.02	1.24 ± 0.02	3.08 ± 0.06	4.07 ± 0.08
≥ 30.0	43	123 ± 1.9	82 ± 1.5	4.77 ± 0.10	4.89 ± 0.15	1.06 ± 0.06	1.25 ± 0.06	3.05 ± 0.15	4.17 ± 0.21
p-value ³		<0.001	<0.001	NS⁴	<0.001	<0.001	0.010	0.018	<0.001
WC (cm)
< 90⁵ – 80⁶	716	116 ± 0.6	76 ± 0.4	4.58 ± 0.03	4.56 ± 0.04	0.69 ± 0.02	1.36 ± 0.02	2.84 ± 0.04	3.54 ± 0.05
≥ 90 – 80	273	120 ± 0.9	79 ± 0.6	4.64 ± 0.04	4.74 ± 0.06	0.89 ± 0.03	1.19 ± 0.02	3.05 ± 0.06	4.13 ± 0.08
p-value ⁷		<0.001	<0.001	NS	0.011	<0.001	<0.001	0.002	<0.001
WHpR (cm/cm)
< 0.9⁵ – 0.8⁶	690	117 ± 0.6	77 ± 0.4	4.59 ± 0.03	4.58 ± 0.04	0.69 ± 0.02	1.34 ± 0.02	2.88 ± 0.04	3.61 ± 0.06
≥ 0.9 – 0.8	299	119 ± 0.9	78 ± 0.7	4.68 ± 0.04	4.76 ± 0.07	0.88 ± 0.03	1.21 ± 0.03	3.09 ± 0.06	4.21 ± 0.09
p-value ⁷		NS	NS	NS	0.019	<0.001	<0.001	0.003	<0.001
WHtR (cm/m)
< 50.0	732	117 ± 0.5	76 ± 0.4	4.59 ± 0.03	4.54 ± 0.04	0.69 ± 0.02	1.34 ± 0.01	2.83 ± 0.04	3.57 ± 0.05
≥ 50.0	257	129 ± 0.9	79 ± 0.7	4.64 ± 0.04	4.81 ± 0.07	0.88 ± 0.03	1.25 ± 0.02	3.09 ± 0.06	4.12 ± 0.08
p-value ³		0.022	0.001	NS	<0.001	<0.001	<0.001	0.001	<0.001

¹ For BG the sample sizes are: N = 79, N = 408, N = 210, and N = 30 respectively for the BMI categories; N = 527 and N = 200 for the WC categories; N = 508 and N = 219 for the WHpR categories; N = 532 and N = 195 for the WHtR categories. ² Standard error of the mean. ³ F-statistic from ANCOVA including age, sex, tobacco use, and the year of examination as covariates. ⁴ Not significant. ⁵ Male-specific cut-off value. ⁶ Female-specific cut-off value. ⁷ F-statistic from ANCOVA including age, tobacco use, and the year of examination as coviariates.

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