Table 3 RR for asthma hospitalization in childhood according to gestational age and estimated fetal growth
From: Birth weight, gestational age, fetal growth and childhood asthma hospitalization
Fetal development variables | Cases | Cumulative incidence (%) | Crude RR | Adjusted RR* (95% CI) |
|---|---|---|---|---|
22-28 weeks | ||||
SGA | 180 | 9.09 | 1.14 | 1.02 (0.86-1.21) |
AGA | 527 | 7.96 | 1 | 1 (ref) |
LGA | 30 | 5.43 | 0.71 | 0.71 (0.46-1.11) |
Z-score per decreased of SD | - | - | 1.04 | 1.02 (0.99-1.04) |
29-32 weeks | ||||
SGA | 359 | 6.15 | 1.20 | 1.07 (0.94-1.22) |
AGA | 1,010 | 5.05 | 1 | 1 (ref) |
LGA | 47 | 2.96 | 0.58 | 0.60 (0.43-0.85) |
Z-score per decreased of SD | - | - | 1.06 | 1.04 (1.02-1.07) |
33-36 weeks | ||||
SGA | 675 | 4.27 | 1.26 | 1.06 (0.97-1.17) |
AGA | 5,409 | 3.43 | 1 | 1 (ref) |
LGA | 387 | 3.41 | 0.99 | 0.94 (0.84-1.05) |
Z-score per decreased of SD | - | - | 1.05 | 1.03 (1.01-1.04) |
37-38 weeks | ||||
SGA | 860 | 3.56 | 1.22 | 1.15 (1.07-1.24) |
AGA | 20,735 | 2.93 | 1 | 1 (ref) |
LGA | 1,467 | 3.43 | 1.17 | 1.03 (0.97-1.09) |
Z-score per decreased of SD | - | - | 0.99 | 1.02 (1.01-1.03) |
39-41 weeks | ||||
SGA | 2,349 | 3.01 | 1.12 | 1.12 (1.07-1.17) |
AGA | 85,611 | 2.71 | 1 | 1 (ref) |
LGA | 3,095 | 3.06 | 1.13 | 1.06 (1.02-1.10) |
Z-score per decreased of SD | - | - | 0.99 | 1.02 (1.01-1.03) |
42-45 weeks | ||||
SGA | 455 | 2.51 | 1.07 | 1.11 (0.98-1.25) |
AGA | 8,449 | 2.36 | 1 | 1 (ref) |
LGA | 138 | 2.83 | 1.20 | 1.15 (0.95-1.40) |
Z-score per decreased of SD | - | - | 1.00 | 1.02 (0.99-1.05) |