Table 2 Maternal and neonatal characteristics
| Â | Group | |
|---|---|---|
| Â | Treatment | Control |
Total clusters, N | 53 | 53 |
Deliveries by country, N | Â | Â |
  Argentina (6 clusters) | 2,483 | 2,717 |
  Guatemala (10 clusters) | 6,898 | 5,405 |
  Kenya (16 clusters) | 5,962 | 7,401 |
  Zambia (10 clusters) | 6,455 | 7,423 |
  Belgaum, India (20 clusters) | 14,317 | 12,585 |
  Nagpur, India (20 clusters) | 6,535 | 5,966 |
  Pakistan (24 clusters) | 13,080 | 13,338 |
Mothers (N) | 55,730 | 54,835 |
Maternal education, N (%) | 55,325 | 54,524 |
  No formal schooling | 16,781 (30.3) | 16,245 (29.8) |
  Primary | 22,016 (39.8) | 20,485 (37.6) |
  Secondary | 13,476 (24.4) | 14,879 (27.3) |
  University + | 3,052 (5.5) | 2,915 (5.3) |
Maternal age, N (%) | 55,602 | 54,757 |
  < 20 | 6,870 (12.4) | 6,838 (12.5) |
  20 to 35 | 46,320 (83.3) | 45,339 (82.8) |
  > 35 | 2,412 (4.3) | 2,580 (4.7) |
Parity, N (%) | 55,619 | 54,754 |
  0 | 16,986 (30.5) | 16,663 (30.4) |
  1 to 4 | 31,687 (57.0) | 30,949 (56.5) |
  > 4 | 6,946 (12.5) | 7,142 (13.0) |
Infants ≥1000 g, N | 56,223 | 55,306 |
Birth weight, N (%) | 56,223 | 55,306 |
  1000 to 1499 g | 687 (1.2) | 739 (1.3) |
  1500 to 2499 g | 6,170 (11.0) | 5,431 (9.8) |
  ≥2500 g | 49,366 (87.8) | 49,136 (88.8) |
Gestational age, N (%) | 56,128 | 55,197 |
Term | 51,681 (92.1) | 51,409 (93.1) |
Preterm | 4,447 (7.9) | 3,788 (6.9) |
Gender, N (%) | 56,174 | 55,233 |
  Male | 28,989 (51.6) | 28,964 (52.4) |
  Female | 27,185 (48.4) | 26,269 (47.6) |