Table 2 Association between antibiotic self-medication and demographic characteristics of children

Sex (Female), n (%)

95

52

257

47

1.22

0.87- 1.72

Age (years), median (IQR)

5

(8)

2

(5)

1.13

1.09- 1.17

Weight (Kg), median (IQR)

20

(21)

13

(11)

1.04

1.02- 1.05

Height (cm), median (IQR)

112

(47)

89

(42)

1.02

1.01- 1.03

Number of siblings, median (IQR)

1

(2)

1

(2)

1.25

1.09- 1.43

Position among siblings^a

Oldest

32

24

65

18

(Ref)

Youngest

101

76

289

82

0.71

0.44- 1.15

Use of antibiotics in the last 3 months

108

59

103

19

6.27

4.35- 9.04

Use of antibiotics by some sibling in the last 3 months^a

28

21

66

19

1.16

0.71- 1.90

Infectious diagnosis^b

 URTI: Common cold, Croup, sinusitis, tonsillitis)

75

41

161

29

(Ref)

 Ear infection

13

7

39

7

0.72

0.36- 1.42

 LRTI: Bronchiolitis, wheezing, pneumonia

13

7

64

12

0.43

0.23- 0.84

 Gastrointestinal infection

33

18

178

33

0.39

0.25- 0.63

 Urinary tract infection

18

10

46

8

0.84

0.45- 1.55

 Skin and soft tissues

13

7

30

5

0.93

0.45- 1.88

 Eyes and mouth

13

7

21

4

1.33

0.63- 2.79

 Systemic: Bacteremia, Osteoarticular, Dengue

4

2

7

1

1.22

0.34- 4.32