Research Article
Fetal Fibronectin as a Predictor of Preterm Delivery: A Nigerian Cohort Study
Table 1
Sociodemographic variables of the study population.
| | Variables | Case (n,%) | Control (n,%) | X2 | p-value |
| | Age (years) | | | 3.68 | 0.16 | | Mean age ± SD | 29.1 ± 5.73 | 2.53 ± 1.02 | | | | <20 | 3 (3.13) | — | | | | 20-25 | 26 (27) | 22 (22.9) | | | | >25 | 67 (69.8) | 74 (77.1) | | | | Tribe | | | 4.99 | 0.17 | | Ibo | 89 (92.7) | 95 (98.9) | | | | Yoruba | 4 (4.2) | 1 (1.04) | | | | Hausa | 2 (2.1) | — | | | | Others | 1 (1.04) | — | | | | Marital status | | | 3.8 | 0.15 | | Married | 90 (93.8) | 95 (98.95) | | | | Single | 5 (5.2) | 1 (1.04) | | | | Separated | — | — | | | | Divorced | 1 (1.04) | — | | | | Education | | | 10.18 | 0.002 | | No formal education | 7 (7.3) | — | | | | Primary | 8 (8.3) | 3 (3.2) | | | | Secondary | 35 (36.5) | 42 (43.8) | | | | Tertiary | 46 (47.9) | 51 (53.1) | | | | Parity | | | 1.26 | 0.53 | | Primigravida | 21 (21.9) | 26 (27.1) | | | | Para 1-4 | 67 (69.8) | 65 (67.7) | | | | ≥5 | 8 (8.3) | 5 (5.2) | | | | Booking | | | 17.5 | 0.001 | | Booked | 80 (83.3) | 96 (100) | | | | Unbooked | 16 (16.7) | — | | | | Occupation | | | 1.96 | 0.74 | | Trading | 29 (30.2) | 30 (31.3) | | | | Civil servant | 21 (21.9) | 24 (25) | | | | Artisan | 16 (16.7) | 12 (12.5) | | | | Farming | 6 (6.3) | 3 (3.13) | | | | Housewife | 24 (25) | 27 (28.1) | | |
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