Table 1.
Demographic characteristics of the rubella antibody seroprevalence assessment population, overall and by 5 study sites in Bandundu, Kasaï Occidental, and Kinshasa Provinces, Democratic Republic of the Congo.
| Characteristic | Overall (n = 1605) No. (% of n) | Kikwit (n = 314, urban) No. (% of n) | Vanga (n = 326, rural) No. (% of n) | Kinshasa (n = 323, urban) No. (% of n) | Tshikapa (n = 320, urban) No. (% of n) | Mikalayi (n = 322, rural) No. (% of n) |
|---|---|---|---|---|---|---|
| Residence | ||||||
| Urban | 914 (57.0) | 275 (87.6) | 3 (0.9) | 322 (99.7) | 309 (96.6) | 5 (1.6) |
| Rural | 690 (43.0) | 39 (12.4) | 323 (99.1) | 0 (0) | 11 (3.4) | 317 (98.5) |
| Unknown | 1 (0.1) | 1 (0.3) | ||||
| Age at time of blood collection (years) | Range: 15–46 years | Range: 15–46 years | Range: 15–44 years | Range: 15–46 years | Range: 15–46 years | Range: 15–46 years |
| 15–19 | 321 (20.0) | 64 (20.4) | 65 (19.9) | 64 (19.8) | 62 (19.4) | 66 (20.5) |
| 20–24 | 322 (20.1) | 65 (20.7) | 65 (19.9) | 64 (19.8) | 64 (20.0) | 64 (19.9) |
| 25–29 | 318 (19.8) | 60 (19.1) | 66 (20.3) | 63 (19.5) | 66 (20.6) | 63 (19.6) |
| 30–34 | 320 (19.9) | 63 (20.1) | 65 (19.9) | 66 (20.4) | 62 (19.4) | 64 (19.9) |
| ⩾35 | 324 (20.2) | 62 (19.8) | 65 (19.9) | 66 (20.4) | 66 (20.6) | 65 (20.2) |
| Age at first pregnancy (years) | Range: 12–37 years | Range: 12–33 years | Range: 12–33 years | Range: 13–36 years | Range: 13–37 years | Range: 13–28 years |
| 12–17 | 664 (41.4) | 80 (25.5) | 117 (35.9) | 78 (24.2) | 178 (55.6) | 211 (65.5) |
| 18–23 | 769 (47.9) | 176 (56.1) | 178 (54.6) | 186 (57.6) | 120 (37.5) | 109 (33.9) |
| ⩾24 | 172 (10.7) | 58 (18.5) | 31 (9.5) | 59 (18.3) | 22 (6.9) | 2 (0.6) |
| Number of times pregnant including current | Range: 1–15 | Range: 1–10 | Range: 1–15 | Range: 1–12 | Range: 1–14 | Range: 1–12 |
| 1 time | 367 (22.9) | 95 (30.3) | 70 (21.5) | 94 (29.1) | 55 (17.2) | 53 (16.5) |
| 2 times | 254 (15.8) | 56 (17.8) | 57 (17.5) | 69 (21.4) | 34 (10.6) | 38 (11.8) |
| ⩾3 times | 984 (61.3) | 163 (51.9) | 199 (61.0) | 160 (49.5) | 231 (72.2) | 231 (71.7) |
| Civil status | ||||||
| Married at some timea | 1528 (95.2) | 289 (92.0) | 309 (94.8) | 302 (93.5) | 311 (97.2) | 317 (98.5) |
| Not-married | 77 (4.8) | 25 (8.0) | 17 (5.2) | 21 (6.5) | 9 (2.8) | 5 (1.6) |
| Educational level | ||||||
| None/1o completedb | 627 (39.1) | 40 (12.7) | 191 (58.6) | 31 (9.6) | 123 (38.4) | 242 (75.2) |
| 2o attended or higher | 978 (60.9) | 274 (87.3) | 135 (41.4) | 292 (90.4) | 197 (61.6) | 80 (24.8) |
| Occupation | ||||||
| Housekeeper | 638 (40.0) | 150 (48.1) | 38 (11.7) | 168 (53.0) | 247 (77.4) | 35 (10.9) |
| Farmer | 558 (35.0) | 43 (13.8) | 244 (74.9) | 0 (0) | 14 (4.4) | 257 (79.8) |
| Otherc,d | 400 (25.0) | 119 (38.1) | 44 (13.5) | 149 (47.0) | 58 (18.2) | 30 (9.3) |
Married at some time (refers to those married monogamous, married polygamous, in a free-union, separated, divorced, and widowed), Not-married (refers to those single).
None/1o completed (no education, primary school attended, or primary school completed), 2o attended or higher (secondary school attended, secondary school completed, graduate, or license obtained).
Other (refers to student, no occupation, government worker, business person, and other).
Nine responses were excluded from the analysis as their meaning could not be interpreted; the 9 were distributed as follows: 2 in Kikwit, 6 in Kinshasa, and 1 in Tshikapa.