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Table 2 Association between type of delivery, asthma and rhinitis

From: Increased risk of allergic rhinitis among children delivered by cesarean section: a cross-sectional study nested in a birth cohort

Variables

Frequency (%)

OR (95 % CI); p value

 

Caesarean Delivery

(325)

Vaginal Delivery

(n = 347)

Unadjusted

Adjustede

Asthma

Active asthma a

48 (14.8 %)

45 (13 %)

1.16 (0.75–1.80); 0.499

1.03 (0.61–1.74); 0.883

Severe asthmac

27 (8.3 %)

22 (6.3 %)

1,31 (0.76–2.25); 0.327

1.15 (0.47–2.84); 0.746

Rhinitis

Chronic rhinitis b

138 (42.5 %)

110 (31.7 %)

1.59 (1.16–2.18); 0.004

2.47 (1.56–3.89); <0.001

Allergic rhinitisd

92 (28.4 %)

66 (19 %)

1.68 (1.17–2.42); 0.004

1.86 (1.18–2.93); 0.007

  1. a Wheezing in the past 12 months
  2. b Symptoms of rhinitis in the past 12 months
  3. c Intense sibilance episodes, restricting speech (two successive words) in the past 12 months
  4. d Rhinoconjunctivitis symptoms in the past 12 months
  5. eAdjusted for gestational age, weight at birth, breastfeeding up to the 4th month, mother’s smoking during pregnancy, family income, mother’s schooling level, parity, number of persons who sleep in the room with the child, attendance to nursery to the age of 2 years, pneumonia ever