Wealth subgrouping variables | Institutional deliveries | Uptake of IPT2 | ||||
---|---|---|---|---|---|---|
Average subgroup effect | Differential effect test (p-value) | Average subgroup effect | Differential effect test (p-value) | |||
N | Beta | N | Beta | |||
Panel A: Wealth subgroups | ||||||
 Three wealth subgroups (Terciles) |  |  |  |  |  |  |
  T1 | 1940 | 11.4b | (p = 0.232) | 1559 | 14.5b | (p = 0.158) |
  T2 | 1916 | 10.2a | (p = 0.094)c | 1576 | 16.2a | (p = 0.149) |
  T3 | 1891 | 3.7 | Reference | 1622 | 2.6 | Reference |
 Five wealth subgroups (Quintiles) |  |  |  |  |  |  |
  Q1 | 1170 | 13.8b | (p = 0.079)c | 929 | 13.6c | (p = 0.166) |
  Q2 | 1158 | 8.8c | (p = 0.069)c | 939 | 16.3b | (p = 0.102) |
  Q3 | 1143 | 8.2c | (p = 0.034)b | 938 | 21.8a | (p = 0.120) |
  Q4 | 1146 | 11.4a | (p = 0.015)b | 979 | 14.4b | (p = 0.175) |
  Q5 | 1130 | −0.5 | Reference | 972 | 1.9 | Reference |
Panel B: Arm-based wealth subgroups | ||||||
 Three wealth subgroups (Terciles) |  |  |  |  |  |  |
  AT1 | 1917 | 10.2b | (p = 0.293) | 1540 | 13.8b | (p = 0.117) |
  AT2 | 1913 | 9.2b | (p = 0.156) | 1568 | 18.3a | (p = 0.084)c |
  AT3 | 1917 | 3.9c | Reference | 1649 | 2.5 | Reference |
 Five wealth subgroups (Quintiles) |  |  |  |  |  |  |
  AQ1 | 1149 | 15.3a | (p = 0.089)c | 914 | 16.8b | (p = 0.108) |
  AQ2 | 1151 | 6.6 | (p = 0.230) | 935 | 15.2b | (p = 0.139) |
  AQ3 | 1147 | 12.3b | (p = 0.001)a | 949 | 14.6b | (p = 0.156) |
  AQ4 | 1152 | 9.9b | (p = 0.022)b | 972 | 7.7 | (p = 0.310) |
  AQ5 | 1148 | 0.3 | Reference | 987 | 0.5 | Reference |