Table 6. Crude Relative Risk of Low Birthweight among Live Births by Medical and Obstetrical Complications for 3,110 Deliveries* at Harare Maternity Hospital, Zimbabwe.
| All LBW | Term LBW | Preterm LBW | ||
|---|---|---|---|---|
| Characteristic | Relative Risk (95% CI)** | Relative Risk (95% CI)** | Relative Risk (95% CI)** | |
| Medical Conditions | ||||
| Anemia | Yes | 3.51 (2.10–5.84) | 4.44 (1.42–13.89) | 5.15 (2.55–10.40) |
| No | 1.0 | 1.0 | 1.0 | |
| Diabetes | Yes | 0.44 (0.07–2.94) | 1.13 (0.17–7.39) | 1.61 (0.45–5.81) |
| No | 1.0 | 1.0 | 1.0 | |
| Cardiovascular disease | Yes | 0.70 (0.19–2.62) | 1.51 (0.41–5.63) | 1.17 (0.32–4.35) |
| No | 1.0 | 1.0 | 1.0 | |
| Hypertension | Yes | 1.53 (1.56–2.03) | 1.22 (0.72–5.81) | 1.37 (0.90–2.09) |
| No | 1.0 | 1.0 | 1.0 | |
| Obstetrical Complications | ||||
| Pregnancy induced hypertension | Yes | 1.31 (1.09–1.58) | 1.53 (1.14–2.07) | 1.18 (0.89–1.55) |
| No | 1.0 | 1.0 | 1.0 | |
| Eclampsia | Yes | 3.25 (1.98–5.35) | 2.66 (0.76–9.26) | 3.95 (1.97–9.74) |
| No | 1.0 | 1.0 | 1.0 | |
| Ante-partum hemorrhage | Yes | 3.42 (2.58–4.53) | 2.78 (1.26–6.15) | 5.38 (3.89–7.43) |
| No | 1.0 | 1.0 | 1.0 | |
| Placenta previa | Yes | 2.15 (1.05–4.43) | 1.46 (0.23–9.33) | 5.60 (3.22–9.74) |
| No | 1.0 | 1.0 | 1.0 | |
| History of Premature rupture of membranes *** | Yes | 2.43 (2.02–2.92) | 1.77 (1.19–2.65) | 3.96 (3.15–4.97) |
| No | 1.0 | 1.0 | 1.0 | |
| History of pre-term labor **** | Yes | 5.39 (4.69–6.21) | 3.21 (1.95–5.28) | 12.79 (10.65–15.38) |
| No | 1.0 | 1.0 | 1.0 | |
* based on data obtained from the records
** denotes 95% confidence intervals
*** history of premature rupture of membranes with current pregnancy
**** history of pre-term labor with current pregnancy