Table 1.

Demographic and clinical variables of the study population

Variables	Frequencies	%
Gender
Male	90	51.7
Female	84	48.3
Age, years
<16	109	62.6
≥16	65	37.4
Body mass index, kg/m2
≤25	121	69.5
>25	53	30.5
Education
Primary	57	32.8
Secondary	117	67.2
Duration of diabetes, years
≤5	106	60.9
>5	68	39.1
Glycosylated hemoglobin, %
≤7	53	30.5
>7	121	69.5
Needle reuse
Yes	80	46
No	94	54
Needle length, mm
4	63	36.2
6	38	21.8
8	73	42
Dose of insulin, units per kg
≤0.7	30	17.2
>0.7	144	82.8
Rotation
Yes	100	57.5
No	74	42.5
Grade (total 83)
1	39	47
2	28	33.7
3	16	19.3
Unexplained hypoglycemic events
Yes	40	23
No	134	77