χ2 test of association between outcomes and treated variable in the unmatched data
| Control (SBS=no) N (%) | Treated (SBS=yes) N (%) | P value | |
| Multiple concurrent form of child malnutrition | |||
| No | 2913 (80.4) | 769 (74.6) | <0.001 |
| Yes | 708 (19.6) | 262 (25.4) | |
| At least one form of child malnutrition | |||
| No | 2199 (79.70) | 1422 (75.12) | <0.001 |
| Yes | 560 (20.30) | 471 (24.88) |
SBS, short birth spacing.