Research Article

Association of Polycyclic Aromatic Hydrocarbons Urine Metabolites with Type 1 Diabetes

Table 1

Characteristics of the children with type 1 diabetes and control group.

CharacteristicsControls Children with type 1 diabetes value

Age (year)8.6 (3.7)8.4 (3.7)0.668
Weight (kg)32.2 (14.6)29.4 (13.8)0.111
BMI (kg/m2)17.6 (4.6)16.4 (4.1)0.033
Gender (girls/boys)69 (46.9)/78 (53.1)73 (49.7)/74 (50.3)0.641
Living area
 Rural36 (24.5)38 (25.9)0.788
 Urban111 (75.5)109 (74.1)
Paternal education
 Illiterate/elementary22 (15)27 (18.5)
 Secondary school/high school102 (69.4)93 (63.7)0.575
 Academic23 (15.6)26 (17.8)
Maternal education
 Illiterate/elementary24 (16.3)23 (15.8)
 Secondary school/high school103 (70.1)102 (69.9)0.977
 Academic20 (13.6)21 (14.4)
Breastfeeding duration
 <6 months5 (3.5)18 (12.5)
 6 to 12 months8 (5.6)5 (3.5)0.016
 >12 months129 (90.8)121 (84)
Familiar history of diabetes19 (16.1)15 (11.8)0.332
Passive smoking at home(yes)50 (35.5)62 (43.4)0.173
Formula feeding(yes)19 (12.9)30 (20.5)0.080
Breastfeeding(yes)144 (98)136 (93.2)0.046
Cow milk(yes)3 (2)9 (6.2)0.073

Mean (SD).