Table 1 Relationship between prevalence of external birth defects and selected maternal characteristics
Maternal characteristics | External birth defects n = 84 (%) | Prevalence/1,000 mothers | PRÂ¥ | 95% CI |
|---|---|---|---|---|
Gravidity | Â | Â | Â | p= 0.06* |
  1 | 41 (44.8) | 8.75 | 2.31 | 1.43 – 3.75 |
  2 -3 | 28 (33.3) | 3.79 | 1 | - |
  ≥ 4 | 15 (17.9) | 8.29 | 2.18 | 1.15 – 4.04 |
Education level | Â | Â | Â | p= 0.78* |
  Illiteracy | 7 (8.3) | 15.05 | 2.42 | 1.06 – 5.49 |
  Primary school (6-10 years) | 14 (16.7) | 4.87 | 0.78 | 0.41 – 1.51 |
  Secondary school (11–14 years) | 41 (48.8) | 5.86 | 0.94 | 0.57 – 1.60 |
  High school or higher education (≥ 15 years) | 22 (26.2) | 6.22 | 1 | - |
Economic status | Â | Â | Â | p= 0.03* |
  Very poor | 3 (3.6) | 13.82 | 3.50 | 0.71 – 17.44 |
  Poor | 9 (10.7) | 9.33 | 2.36 | 0.58 – 9.69 |
  Well | 70 (83.3) | 5.74 | 1.46 | 0.43 – 5.39 |
  Well-to-do | 2 (2.4) | 3.94 | 1 | - |
Occupation of mother | Â | Â | p = 0.39* | |
  Farmer and agricultural chemical product sellers | 35 (31.6) | 5,003 | 1.37 | 0.82 – 1.95 |
  Other | 49 (63.9) | 8,874 | 1 | - |