Table 2.
The univariate and multivariate analysis of the determinants of adverse pregnancy outcome for different explanatory variables categories, Debre Tabor town, Northwest Ethiopia
| Variables | Category | Cases, n = 310 (%) | Control, n = 310 (%) | COR (95% CI) | AOR (95% CI) |
|---|---|---|---|---|---|
| Maternal age | ≤ 24 | 22 (7.1) | 52 (16.8) | 1 | 1 |
| 25–34 | 79 (25.5) | 139 (44.8) | 1.34 (0.76, 2.37) | 1.15 (0.63, 2.1) | |
| 35–44 | 80 (25.8) | 60 (19.35) | 3.15 (1.73, 5.74)* | 2.54 (1.27, 5.06)* | |
| 45–54 | 68 (22) | 38 (12.3) | 4.23 (2.24, 7.99)* | 2.79 (1.27, 6.16)* | |
| ≥ 55 | 61 (21.9) | 21 (6.8) | 6.86 (3.39, 13.87)* | 4.18 (1.73, 9.13)* | |
| Residence | Rural | 112 (36.1) | 83 (26.8) | 1.55 (1.09, 2.18)* | 1.51 (1.03, 2.21)* |
| Urban | 198 (63.9) | 227 (73.2) | 1 | 1 | |
| Marital status | Married | 199 (64.2) | 235 (75.8) | 1 | 1 |
| Divorced | 54 (17.4) | 37 (12) | 1.72 (1.08, 2.73)* | 1.08 (0.64, 1.83) | |
| Widowed | 40 (13) | 17 (5.5) | 2.78 (1.53, 5.05)* | 1.02 (0.5, 2.07) | |
| Separated | 17 (5.5) | 21 (6.8) | 0.96 (0.49, 1.86) | 0.95 (0.46, 1.93) | |
| Educational status | No formal education | 174 (56) | 171 (55.2) | 2.37 (0.89, 6.32) | 2.15 (1.41, 2.81)* |
| Primary education | 94 (30.3) | 79 (25.5) | 2.77 (1.01, 7.56)* | 1.6 (1.06, 4.6)* | |
| Secondary education | 36 (12) | 46 (14.8) | 1.83 (0.64, 5.22) | 1.45 (0.48, 1.93) | |
| Higher education | 6 (2) | 14 (4.5) | 1 | 1 | |
| Job status | Unemployed | 218 (70.3) | 202 (65.2) | 1.23 (0.9, 1.77) | |
| Employed | 92 (30) | 108 (34.8) | 1 | ||
| Family income categorized | ≤ 560 | 99 (32) | 70 (22.6) | 1.6 (1.03, 2.58)* | 1.23 (0.72, 2.11) |
| 561–900 | 83 (26) | 80 (25.8) | 1.2 (0.76, 1.89) | 1.14 (0.68, 1.94) | |
| 901–1700 | 65 (21) | 87 (28) | 0.86 (0.54, 1.38) | 0.93 (0.56, 1.57) | |
| ≥ 1701 | 63 (20) | 73 (23.6) | 1 | 1 | |
| Age at time first sex | ≤ 14 | 63 (20) | 20 (6.5) | 4.03 (2.34, 6.95)* | 2.29 (1.25, 4.23)* |
| 15–17 | 87 (28) | 85 (27.4) | 1.31 (0.911, 1.88) | 1.32 (0.89, 2.19) | |
| ≥18 | 160 (21.6) | 205 (66) | 1 | 1 | |
| Duration of relationship | ≤ 5 | 100 (32.3) | 149 (48) | 1 | 1 |
| 6–10 | 72 (23) | 75 (24.2) | 1.43 (0.95, 2.16) | 1.3 (0.86, 2.19) | |
| 11–15 | 46 (14.8) | 36 (11.2) | 1.90 (1.14, 3.15)* | 1.04 (0.57, 1.92) | |
| ≥ 16 | 92 (30) | 50 (16) | 2.74 (1.79, 4.2)* | 1.24 (0.68, 2.28) | |
| Previous history of marriage | Yes | 300 (96.8) | 294 (95) | 1.63 (0.73, 3.65) | |
| No | 10 (3.2) | 16 (5.2) | 1 | ||
| Age difference between the partner at first intercourse | No difference | 40 (13) | 69 (22.3) | 1 | 1 |
| < 5 years | 56 (18) | 90 (29) | 1.07 (0.64, 1.79) | 1.07 (0.6, 1.89) | |
| ≥ 5 years | 214 (69) | 151 (48.7) | 2.44 (1.57, 3.80)* | 1.74 (1.07, 2.83)* | |
| Type of marriage | Monogamous | 239 (77) | 242 (78) | Ref | |
| Polygamous | 71 (23) | 68 (22) | 1.05 (0.72, 1.54) |
1 = Reference
*P < 0.05
**P < 0.01