Parental transmission of type 2 diabetes mellitus in a highly endogamous population

Table 1 Socio-demographic characteristics of patients with/without a family history of diabetes mellitus n (%)

	With family history of DM1(n = 1444)	Without family history of DM(n = 536)	P value
Age (yr)			< 0.001
18-30	346 (24.0)	72 (13.4)
30-39	280 (19.4)	66 (12.3)
40-49	258 (17.9)	132 (24.6)
50-59	400 (27.7)	194 (36.2)
≥ 60	160 (11.1)	72 (13.4)
Gender			0.041
Male	661 (45.8)	273 (50.9)
Female	783 (54.2)	263 (49.1)
Nationality			0.020
Qatari	838 (58.0)	342 (63.8)
Other Arabs	606 (42.0)	194 (36.2)
Educational level			0.154
Illiterate	240 (16.6)	71 (13.2)
Elementary	267 (18.5)	114 (21.3)
Intermediate	305 (21.1)	99 (18.5)
Secondary	381 (26.4)	152 (28.4)
University	251 (17.4)	100 (18.7)
Occupation			0.134
Housewife	370 (25.6)	128 (23.9)
Sedentary	356 (24.7)	162 (30.2)
Professional	249 (17.2)	97 (18.1)
Manual	153 (10.6)	53 (9.9)
Businessmen	127 (8.8)	39 (7.3)
Army/police clerk	189 (13.1)	57 (10.6)
Monthly household income (QR)			0.589
< 5000	93 (6.4)	39 (7.3)
5000-10 000	470 (32.5)	175 (32.6)
10 000-15 000	510 (35.3)	200 (37.3)
> 15 000	371 (25.8)	122 (22.8)
Consanguinity			0.001
Yes	556 (38.5)	162 (30.2)
No	888 (61.5)	374 (69.8)

¹Up to the third generation, two sided P values based on Pearson χ² test. DM: Diabetes mellitus; QR: Qatar Riyal.