Table 2. Comparison between women who remained with the intrauterine device at the six-month follow-up and those who experienced expulsion.
| Variables | Total ( n = 234): n (%) |
Without IUD ( n = 60): n (%) | With IUD ( n = 174): n (%) |
p -value* |
|---|---|---|---|---|
| Age (years) | ||||
| < 18 | 3 (1.3) | 1 (1.7) | 2 (1.1) | 0.94 |
| 18–29 | 127 (54.3) | 32 (53.3) | 95 (54.6) | |
| ≥ 30 | 104 (44.4) | 27 (45.0) | 77 (44.2) | |
| Parity (number of deliveries) | ||||
| 1 | 32 (13.6) | 6 (10.0) | 25 (14.9) | 0.53 |
| 2–3 | 141 (60.3) | 36 (60.0) | 105 (60.3) | |
| ≥ 4 | 61 (26.1) | 18 (30.0) | 43 (24.7) | |
| Delivery (including the present one) | ||||
| Primiparous | 29 (12.4) | 6 (10.0) | 23 (13.2) | 0.51 |
| Multiparous | 205 (87.6) | 54 (90.0) | 151 (86.8) | |
| Gestational age (weeks completed) | ||||
| 32 weeks 0 day–36 weeks 6 days | 37 (15.8) | 9 (15.0) | 28 (16.1) | 0.24 |
| 37 weeks 0 day–40 weeks 6 days | 183 (78.2) | 50 (83.3) | 133 (76.4) | |
| ≥ 41 weeks 0 day | 14 (6.0) | 1 (1.7) | 13 (7.5) | |
| Weight of the newborn (Kg) | 0.21 | |||
| < 3.0 | 68 (36.0) | 12 (25.6) | 56 (39.6) | |
| 3–4 | 106 (56.1) | 30 (63.8) | 76 (53.5) | |
| ≥ 4.0 | 15 (7.9) | 5 (10.6) | 10 (7.0) | |
| Type of delivery | ||||
| Vaginal | 132 (56.4) | 41 (68.4) | 91 (52.3) | 0.03 |
| Cesarean section | 102 (43.6) | 19 (31.6) | 83 (47.7) | |
| Body Mass Index at delivery (Kg/m 2 ) # | ||||
| ≤ 24.9 | 17 (7.3) | 4 (8.5) | 13 (7.8) | 0.99 |
| 25–29.9 | 56 (23.9) | 12 (25.5) | 44 (26.5) | |
| 30–39.9 | 119 (50.9) | 26 (55.3) | 93 (56.0) | |
| ≥ 40 | 21 (9.0) | 5 (10.6) | 16 (9.6) |
Notes: # Data missing for 21 women. *Significant difference if p < 0.05 (Chi-squared test).