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Table 2
Prevalence of IFG and diabetes among Kuwaiti males and females by study period, socio-demographic, biological and lifestyle factors
	Male (n=2745)			Female (n=3611)
Variable	n	IFG^*	Diabetes**	n	IFG	Diabetes
Study Period
2002-03	932	13.4^b1	19.1^b1	1181	12.1^c1	14.9^c2
2004-05	579	15.4^b1	16.8^b1	790	9.2^b2	13.8^bc1
2006-07	716	14.0^b1	12.2^a1	1003	12.4^c1	11.3^b1
2008-09	518	6.0^a1	9.3^a1	637	5.3^a1	6.0^a1
Age Group (Year)
20-29	930	9.1^a1	4.4^a1	1246	8.2^a1	3.4^a1
30-39	660	11.1^a1	13.0^b1	857	8.9^a1	6.2^b2
40-49	635	15.1^b1	16.9^c1	842	11.9^b1	13.9^c1
50-59	345	16.8^b1	30.4^d1	508	14.0^b1	30.9^d1
60-69	175	18.9^b1	40.6^e1	158	15.8^b1	42.4^e1
BMI Status
Normal (<25 kg/m²)	715	9.5^a1	8.5^a1	724	6.8^a1	3.6^a2
Overweight (25- <30 kg/m²)	1093	13.5^b1	14.8^b1	1126	9.6^b2	9.1^b2
Obese (≥30 kg/m²)	937	13.8^b1	20.0^c1	1761	12.3^c1	17.5^c1
Serum Cholesterol
Normal (<5.18 mmol/L)	1603	11.4^a1	12.7^a1	2192	9.8^a1	10.2^a2
Moderate hypercholesterolemia^§	787	13.7^ab1	16.0^b1	951	11.8^a1	13.5^b1
High hypercholesterolemia^¶	337	15.7^b1	23.7^c1	431	9.7^a2	19.3^c1
Education Level
Up to grade VIII	667	14.5^a1	21.4^b1	1157	13.7^c1	21.2^b1
High school & diploma	1226	12.1^a1	13.5^a1	1450	9.8^b2	8.6^a2
Undergraduate and above	842	11.8^a1	11.9^a1	1004	7.4^a2	6.6^a2
Exercise
No	1643	13.0^a1	16.9^b1	2702	10.4^a2	12.7^b2
Yes	1102	11.9^a1	12.1^a1	909	10.3^a1	10.2^a1
Smoking Status
No	2067	13.8^b1	15.3^a1	3517	10.5^b2	11.9^a2
Yes	678	8.7^a1	13.7^a1	94	4.3^a1	17.0^a1

n= total number of subjects.

^*Fasting blood glucose level > 6.1 but <7.0 mmol/L; ^**Fasting blood glucose >7.0 mmol/L.

^§Serum cholesterol >5.18 but < 6.22 mmol/L; ^¶Serum cholesterol >6.22 mmol/L.

^a,b,cPrevalence value within a column with unlike superscript letters were significantly different (P<0.05) using Z –test.

^1,2,3Prevalence values across the rows for each listed variable with unlike numbers were significantly different (P<0.05) using Z-test.

Ahmed et al. BMC Public Health 2013 13:103 doi:10.1186/1471-2458-13-103

Table 2