Table 5.
Mediation analysis of direct and indirect effects of the intervention on birth weight of pregnant women in West Gojjam Zone, Ethiopia
| Variables | Estimate (SE) | 95% CI |
|---|---|---|
| Total effect of the intervention on birth weight | 0.260 (0.038) | (0.186,0.335) |
| Direct effect of the intervention on birth weight | 0.172 (0.039) | (0.094,0.249) |
| Total indirect effect of the intervention on birth weight | 0.088 (0.023) | (0.041,0.138) |
| Indirect effect1 | 0.046 (0.018) | (0.011,0.084) |
| Indirect effect2 | 0.023 (0.012) | (0.001,0.050) |
| Indirect effect3 | 0.018 (0.006) | (0.007,0.032) |
| Effect of the dietary practice on birth weight | 0.007 (0.002) | (0.002,0.012) |
| Effect of gestational weight gain on birth weight | 0.049 (0.007) | (0.035,0.063) |
| Effect of the intervention on dietary practice | 6.330 (0.617) | (5.116,7.541) |
| Effect of the dietary practice on gestational weight gain | 0.060 (0.015) | (0.029,0.091) |
| Effect of the intervention on gestational weight gain | 0.483 (0.242) | (0.006,0.959) |
| MUAC baseline | 0.050 (0.008) | (0.032,0.067) |
| Dietary practice baseline | 0.003 (0.002) | (−0.001,0.008) |
| Being female | 0.014 (0.035) | (−0.054,0.083) |
| Increasing wealth | 0.004 (0.013) | (−0.022,0.030) |
| Having decision making power on monetary use | 0.004 (0.038) | (−0.070,0.080) |
| Piped water supply | 0.036 (0.038) | (−0.038,0.0112) |
| Having formal education | 0.025 (0.049) | (−0.072,0.122) |
| Age | 0.003 (0.003) | (−0.003,0.009) |
| Crop production | 0.002 (0.021) | (−0.040,0.045) |
Indirect effect key:
Indirect effect 1: shows intervention effect on birth weight through dietary practice
Indirect effect 2: reveals intervention effect on birth weight through gestational weight gain
Indirect effect 3: indicates intervention effect on birth weight through dietary practice and gestational weight gain