Attrition balance table
| . | Remaining Participants . | Lost to Follow-up . | . | . | . | . | ||
|---|---|---|---|---|---|---|---|---|
| . | Treatment (N = 185) (1) . | Control (N = 216) (2) . | Treatment (N = 311) (3) . | Control (N = 322) (4) . | Difference (1) – (2) . | Difference (1) – (3) . | Difference (2) – (4) . | Difference (3) – (4) . |
| Maternal Characteristics | ||||||||
| Current use of family planning (1 = yes) | .497 | .417 | .489 | .525 | .081 | .009 | –.108* | –.036 |
| Long-acting method use (1 = yes) | .059 | .088 | .074 | .059 | –.029 | –.014 | .029 | .015 |
| Injectable use (1 = yes) | .395 | .310 | .386 | .419 | .084† | .009 | –.109* | –.033 |
| Implant use (1 = yes) | .054 | .074 | .068 | .059 | –.020 | –.013 | .015 | .009 |
| Ever-use of family planning (1 = yes) | .886 | .796 | .839 | .795 | .090* | .047 | .001 | .044 |
| Age (years) | 25.119 | 25.606 | 25.161 | 24.335 | −0.488 | −0.042 | 1.271** | 0.825* |
| Total number of children | 2.443 | 2.537 | 2.479 | 2.329 | −0.094 | −0.036 | 0.208 | 0.150 |
| Primary education (1 = yes) | .535 | .537 | .588 | .590 | –.002 | –.053 | –.053 | –.002 |
| Secondary education (1 = yes) | .465 | .463 | .412 | .410 | .002 | .053 | .053 | .002 |
| Tertiary education (1 = yes) | .038 | .046 | .019 | .025 | –.008 | .019 | .021 | –.006 |
| Religion (1 = Christian) | .870 | .838 | .849 | .804 | .032 | .021 | .034 | .045 |
| Ethnicity (1 = Chewa) | .432 | .417 | .419 | .408 | .016 | .013 | .009 | .011 |
| Woman works (1 = yes) | .076 | .088 | .084 | .084 | –.012 | –.008 | .004 | .000 |
| Age at first cohabitation (years) | 19.120 | 19.223 | 19.016 | 18.800 | −0.104 | 0.103 | 0.423† | 0.216 |
| Child Characteristics | ||||||||
| Age (months) | 2.751 | 2.791 | 2.991 | 2.999 | −0.040 | −0.240 | −0.208 | −0.008 |
| Biological sex (1 = male) | .470 | .500 | .524 | .469 | –.030 | –.054 | .031 | .055 |
| Birth order | 2.384 | 2.435 | 2.399 | 2.276 | −0.051 | −0.015 | 0.159 | 0.122 |
| p Value (joint significance) | .435 | .738 | .025* | .315 | ||||
| Number of Observations (joint significance) | 399 | 493 | 534 | 628 | ||||
| . | Remaining Participants . | Lost to Follow-up . | . | . | . | . | ||
|---|---|---|---|---|---|---|---|---|
| . | Treatment (N = 185) (1) . | Control (N = 216) (2) . | Treatment (N = 311) (3) . | Control (N = 322) (4) . | Difference (1) – (2) . | Difference (1) – (3) . | Difference (2) – (4) . | Difference (3) – (4) . |
| Maternal Characteristics | ||||||||
| Current use of family planning (1 = yes) | .497 | .417 | .489 | .525 | .081 | .009 | –.108* | –.036 |
| Long-acting method use (1 = yes) | .059 | .088 | .074 | .059 | –.029 | –.014 | .029 | .015 |
| Injectable use (1 = yes) | .395 | .310 | .386 | .419 | .084† | .009 | –.109* | –.033 |
| Implant use (1 = yes) | .054 | .074 | .068 | .059 | –.020 | –.013 | .015 | .009 |
| Ever-use of family planning (1 = yes) | .886 | .796 | .839 | .795 | .090* | .047 | .001 | .044 |
| Age (years) | 25.119 | 25.606 | 25.161 | 24.335 | −0.488 | −0.042 | 1.271** | 0.825* |
| Total number of children | 2.443 | 2.537 | 2.479 | 2.329 | −0.094 | −0.036 | 0.208 | 0.150 |
| Primary education (1 = yes) | .535 | .537 | .588 | .590 | –.002 | –.053 | –.053 | –.002 |
| Secondary education (1 = yes) | .465 | .463 | .412 | .410 | .002 | .053 | .053 | .002 |
| Tertiary education (1 = yes) | .038 | .046 | .019 | .025 | –.008 | .019 | .021 | –.006 |
| Religion (1 = Christian) | .870 | .838 | .849 | .804 | .032 | .021 | .034 | .045 |
| Ethnicity (1 = Chewa) | .432 | .417 | .419 | .408 | .016 | .013 | .009 | .011 |
| Woman works (1 = yes) | .076 | .088 | .084 | .084 | –.012 | –.008 | .004 | .000 |
| Age at first cohabitation (years) | 19.120 | 19.223 | 19.016 | 18.800 | −0.104 | 0.103 | 0.423† | 0.216 |
| Child Characteristics | ||||||||
| Age (months) | 2.751 | 2.791 | 2.991 | 2.999 | −0.040 | −0.240 | −0.208 | −0.008 |
| Biological sex (1 = male) | .470 | .500 | .524 | .469 | –.030 | –.054 | .031 | .055 |
| Birth order | 2.384 | 2.435 | 2.399 | 2.276 | −0.051 | −0.015 | 0.159 | 0.122 |
| p Value (joint significance) | .435 | .738 | .025* | .315 | ||||
| Number of Observations (joint significance) | 399 | 493 | 534 | 628 | ||||
Notes: For all columns, the unit of observation is the child. Significance indicators are based on the critical value from individual t tests. Joint tests are computed using only observations for which we possess full data on all characteristics.
†p < .10; *p < .05; **p < .01