Table 2 Estimates of mean, intracluster correlation coefficients (ICC), their respective 95% CI, design effect (Deff), and mean cluster size (n a ) for numeric maternal characteristics
Variable | Mean | ICC | 95% CI for ICC | Deff | na |
|---|---|---|---|---|---|
Age (years) | 26.1 | 0.018 | 0.004-0.033 | 5.3 | 265 |
Month stopped working | 6.9 | 0.015 | <0.001-0.032 | 2.6 | 99 |
Workload (hours daily) | 8.0 | 0.040 | 0.007-0.072 | 6.9 | 98 |
Pre-pregnancy weight (Kg) | 62.1 | 0.021 | 0.005-0.038 | 6.6 | 250 |
Height (m) | 1.6 | 0.041 | 0.011-0.071 | 9.8 | 238 |
Final weight (Kg) | 73.2 | 0.022 | 0.005-0.040 | 6.4 | 237 |
Weight gain in pregnancy (Kg) | 10.9 | 0.012 | 0.001-0.023 | 4.5 | 229 |
Initial Body Mass Index (Kg/m2) | 24.4 | 0.012 | 0.001-0.024 | 4.5 | 230 |
Final Body Mass Index (Kg/m2) | 28.7 | 0.016 | 0.002-0.030 | 5.5 | 220 |
Number of pregnancies | 2.4 | 0.006 | <0.001-0.013 | 2.8 | 265 |
Number of vaginal deliveries | 0.8 | 0.005 | <0.001-0.011 | 2.5 | 265 |
Number of cesarean sections | 0.3 | 0.014 | 0.002-0.025 | 4.7 | 265 |
Number of abortions | 0.3 | 0.006 | <0.001-0.013 | 2.3 | 265 |
Number of uterine curettage | 0.2 | 0.008 | <0.001-0.015 | 2.9 | 264 |