Table 5.

Comparison of anti-RSV antibody levels of infants at 6th month according to demographic variables

	Anti-RSV antibody levels of infants at sixth months (IU/ml) Mean ± SD	p
Gender
Male	3.41 ± 0.45	0,97*
Female	3.42 ± 0.40
Delivery type
Vaginal	3.56 ± 0.48	0.09*
Cesarean section	3.37 ± 0.40
Gestation week
Early term	3.41 ± 0.05	0.89†
Full term	3.41 ± 0.09
Late term	3.50 ± 0.13
Birth weight
Small for gestational age	3.88 ± 0.53	0.26†
Appropriate for gestational age	3.42 ± 0.51
Large for gestational age	3.35 ± 0.11
Exclusive breastfeeding
Yes	3.39 ± 0.47	0.57*
No	3.45 ± 0.37
Bronchiolitis history
Yes	3.44 ± 0.30	0.61*
No	3.40 ± 0.47
Number of siblings
≤ 2	3.43 ± 0.05	0.66†
2–4	3.41 ± 0.11
≥ 4	3.26 ± 0.13
Number of school-aged siblings
≤ 2	3.49 ± 0.46	0.44†
2–4	3.28 ± 0.31
≥ 4	3.29 ± 0.08
Number of household members
≤ 2	3.36 ± 0.33	0.32†
2–4	3.55 ± 0.43
≥ 4	3.38 ± 0.45
Smoking by household members
Present	3.38 ± 0.44	0.40*
Not present	3.46 ± 0.41

*Student’s T test

†One-way Anova