| Jewish origin | Arab-Bedouin origin | ||||
---|---|---|---|---|---|---|
Without LRTI (n = 22,724) | LRTI (n = 530) | p-value | Without LRTI (n = 32,736) | LRTI (n = 1341) | p-value | |
Demographic characteristics | ||||||
 Age, years |  |  |  |  |  |  |
  Mean ± SD, (n) | 30 ± 5 (22,724) | 29 ± 5 (530) | 0.203 | 27 ± 6 (32,736) | 28 ± 6 (1341) | 0.04 |
  Median | 29 | 29 |  | 27 | 27 |  |
 Low tertile of socioeconomic status, % (n) | 2.3 (485) | 2.8 (14) | 0.02 | 66.4 (21,762) | 69.3 (930) | 0.05 |
Medical and obstetrics history | ||||||
 Gestational Diabetes Mellitus, % (n) | 4.7 (1058) | 4.7 (25) | 0.94 | 2.6 (859) | 3.9 (52) | 0.005 |
 Primiparous, % (n) | 32.1 (7290) | 17.6 (93) | < 0.001 | 19.6 (6419) | 11.6 (155) | < 0.001 |
Neonatal data | ||||||
 Gestational age (weeks), |  |  |  |  |  |  |
  Mean ± SD, (n) | 38.8 ± 2 (22,724) | 38.2 ± 2 (530) | < 0.001 | 39.1 ± 2 (32,736) | 38.5 ± 2 (1341) | < 0.001 |
  Median | 39 | 38.8 |  | 39.2 | 39 |  |
 Preterm delivery, % (n) | 9.5 (2159) | 16.8 (89) | < 0.001 | 9.2 (3025) | 16.7 (224) | < 0.001 |
 Male gender, % (n) | 50.7 (11,527) | 56.6 (300) | 0.007 | 51 (16,698) | 54.4 (729) | 0.01 |
 Birth weight, gram |  |  |  |  |  |  |
  Mean ± SD, (n) | 3154 ± 539 (22,724) | 3062 ± 611 (530) | < 0.001 | 3151 ± 537 (32,736) | 3045 ± 625 (1341) | < 0.001 |
  Median | 3180 | 3105 |  | 3180 | 3110 |  |
 Small for Gestational Age (SGA), % (n) | 3.3 (756) | 2.8 (18) | 0.90 | 4.4 (1440) | 4.5 (60) | 0.92 |
 Large for Gestational Age (LGA), % (n) | 6.7 (1501) | 5.8 (30) | 0.406 | 6.8 (2191) | 6.9 (92) | 0.84 |
 Apgar score | ||||||
  1st minute < 5, % (n) | 5.3 (1185) | 6.3 (33) | 0.312 | 6.9 (2234) | 10.2 (134) | < 0.001 |
  5th minute < 7, % (n) | 0.6 (144) | 0.9 (5) | 0.256 | 0.9 (304) | 2.2 (29) | < 0.001 |