Table 4 Estimates of prevalence, intraclass correlation coefficients, their respective 95% CI, design effect and the mean cluster size with respect to personal and obstetric data
Variable | P (%) | ICC | 95% CI for ICC | DEFF | na |
|---|---|---|---|---|---|
· Age (<30 years) | 65.6 | 0.013 | 0.002−0.024 | 4.00 | 354 |
· Skin color (White) | 42.5 | 0.285 | 0.127−0.443 | 146.55 | 264 |
· Schooling (Primary) | 46.5 | 0.051 | 0.012−0.091 | 17.45 | 256 |
· Marital status (Has a partner) | 53.2 | 0.176 | 0.066−0.286 | 101.96 | 298 |
· Weight (<75 kg) | 52.3 | 0.055 | 0.010−0.101 | 21.45 | 167 |
· Height (<1.60 m) | 48.6 | 0.054 | 0.007−0.101 | 13.51 | 151 |
· Body Mass Index (Low BMI) | 15.4 | 0.053 | 0.006−0.100 | 18.47 | 146 |
· Number of pregnancies (One) | 41.9 | 0.010 | 0.001−0.019 | 9.01 | 352 |
· Number of deliveries (None) | 48.2 | 0.010 | 0.002−0.019 | 8.87 | 352 |
· Number of abortions (None) | 77.6 | 0.005 | <0.001−0.011 | 2.59 | 352 |
· Number of previous C-sections (None) | 76.0 | 0.011 | 0.002−0.021 | 6.87 | 347 |
· Number of live births (None) | 51.3 | 0.016 | 0.003−0.028 | 11.27 | 341 |
· Time since last delivery (≤2 years) | 25.5 | 0.022 | 0.001−0.043 | 4.23 | 99 |
· Previous uterine surgery | 2.0 | 0.067 | 0.017−0.117 | 20.52 | 299 |
· Number of prenatal visits (<6) | 46.4 | 0.018 | 0.003−0.034 | 5.34 | 276 |
· Pregnant at admission | 95.0 | 0.043 | 0.011−0.074 | 20.70 | 354 |
· Gestational age at admission (<37 weeks) | 53.4 | 0.069 | 0.020−0.117 | 37.71 | 327 |
· Mode of onset of labor (no labor) | 49.4 | 0.113 | 0.038−0.188 | 88.44 | 349 |
· Gestational age at resolution (<37 weeks) | 45.7 | 0.055 | 0.015−0.095 | 31.28 | 309 |
· Mode of delivery (C-section before labor) | 49.6 | 0.111 | 0.037−0.184 | 87.28 | 352 |
· Mode of onset of abortion (Spontaneous) | 63.6 | 0.044 | <0.001−0.141 | 1.52 | 8 |
· Total number of fetuses (None) | 6.0 | 0.128 | 0.044−0.212 | 52.87 | 325 |
· Fetal presentation at birth (Cephalic) | 91.3 | 0.011 | 0.001−0.020 | 4.77 | 273 |
· Some pathological or risky condition prior to this current pregnancy | 48.9 | 0.115 | 0.038−0.191 | 47.12 | 305 |
· Chronic hypertension | 17.7 | 0.046 | 0.012−0.079 | 15.98 | 305 |
· Obesity | 24.1 | 0.110 | 0.036−0.184 | 65.40 | 305 |
· Low weight | 0.3 | 0.004 | <0.001−0.008 | 1.68 | 305 |
· Diabetes mellitus | 2.5 | 0.023 | 0.005−0.041 | 7.84 | 305 |
· Smoking | 5.7 | 0.065 | 0.018−0.111 | 44.05 | 305 |
· Cardiac diseases | 2.9 | 0.025 | 0.006−0.045 | 9.23 | 305 |
· Respiratory diseases | 2.8 | 0.018 | 0.004−0.033 | 9.67 | 305 |
· Renal diseases | 1.2 | 0.038 | 0.010−0.067 | 11.74 | 305 |
· Sickle cell disease-thalassemia | 0.8 | 0.005 | <0.001−0.011 | 5.08 | 305 |
· HIV/AIDS | 1.1 | 0.006 | <0.001−0.013 | 3.16 | 305 |
· Thyroid disease | 1.4 | 0.008 | 0.001−0.016 | 2.65 | 305 |
· Neurologic diseases/epilepsy | 1.2 | 0.011 | 0.001−0.020 | 4.35 | 305 |
· Collagenosis | 0.6 | 0.028 | 0.007−0.050 | 8.93 | 305 |
· Cancer | 0.3 | 0.006 | <0.001−0.012 | 2.31 | 305 |
· Other | 5.2 | 0.037 | 0.009−0.065 | 13.99 | 305 |
· Drug addiction | 1.2 | 0.005 | <0.001−0.010 | 4.07 | 305 |