| Socio-demographic factor | Groups | |||
|---|---|---|---|---|
| Intervention Freq. (%) (n = 186) | Control Freq. (%) (n = 186) | |||
| Age (years) | ||||
| Mean ( SD) | 26.1 | (5.8) | 26.9 | (5.9) |
| (Range) | (15–40) | (17–45) | ||
| Ethnicity | ||||
| Kanuri | 73 | (37.7) | 63 | (33.9) |
| Hausa | 30 | (16.1) | 28 | (15.1) |
| Babur | 13 | (7.0) | 18 | (9.7) |
| Shuwa | 6 | (3.2) | 12 | (6.4) |
| Marghi | 14 | (7.5) | 12 | (6.4) |
| Fulani | 21 | (11.3) | 17 | (9.1) |
| Others | 32 | (17.2) | 36 | (19.4) |
| Family type | ||||
| Monogamous | 143 | (76.9) | 144 | (77.4) |
| Polygamous | 41 | (22.0) | 42 | (22.6) |
| Widowed | 2 | (1.1) | 0 | (0.0) |
| Educational status | ||||
| None | 82 | (44.1) | 71 | (38.2) |
| Primary | 32 | (17.2) | 32 | (17.2) |
| Secondary | 54 | (29.0) | 54 | (29.0) |
| Tertiary | 18 | (9.7) | 29 | (15.6) |
| Employment status | ||||
| None | 104 | (55.9) | 101 | (54.3) |
| Self-employed | 56 | (30.1) | 65 | (34.9) |
| Government | 9 | (4.9) | 9 | (4.9) |
| Private | 14 | (7.5) | 10 | (5.4) |
| Student | 3 | (1.6) | 1 | (0.5) |
| Income | ||||
| None | 106 | (57.0) | 102 | (54.8) |
| < 18,000 | 65 | (34.9) | 72 | (38.7) |
| ≥ 18,000 | 15 | (8.1) | 12 | (6.5) |
| Type of Residence | ||||
| Permanent resident | 127 | (68.3) | 147 | (79.0) |
| IDP | 59 | (31.7) | 39 | (21.0) |
| Age at first marriage | ||||
| ≤ 15 | 41 | (22.0) | 35 | (18.8) |
| 16–19 | 105 | (56.5) | 100 | (53.8) |
| 20–24 | 32 | (17.2) | 40 | (21.5) |
| ≥ 25 | 8 | (4.3) | 11 | (5.9) |
| Gravidity | ||||
| Primigravida | 24 | (12.9) | 24 | (12.9) |
| Multigravida | 96 | (51.6) | 96 | (51.6) |
| Grandmultigravida | 66 | (35.5) | 66 | (35.5) |
| Parity | ||||
| Nullipara | 28 | (15.1) | 25 | (13.4) |
| Primi-para | 39 | (21.0) | 40 | (21.5) |
| Multipara | 77 | (41.4) | 75 | (40.3) |
| Grandmultipara | 42 | (22.6) | 46 | (24.7) |
| Gestational age at antenatal booking | ||||
| 4 months | 49 | (26.3) | 65 | (34.9) |
| 5 months | 137 | (73.7) | 121 | (65.1) |
| History of pre-term delivery | ||||
| Yes | 37 | (19.9) | 36 | (19.4) |
| No | 149 | (80.1) | 150 | (80.6) |
| History of miscarriage | ||||
| Yes | 49 | (26.3) | 53 | (28.5) |
| No | 137 | (73.7) | 133 | (71.3) |