Table 2.
Maternal antenatal characteristics of mothers enrolled in the 2010, 2011–2012, and 2012–2013 prevention of mother-to-child transmission surveys, South Africa
| Characteristics | Categories | 2010 | 2011–2012 | 2012–2013 | |||
|---|---|---|---|---|---|---|---|
|
|
|
|
|||||
| Adolescentsa | Adultsb | Adolescentsa | Adultsb | Adolescentsa | Adultsb | ||
| Sample size | N = 1,746 | N = 8,808 | N = 1,680 | N = 8,391 | N = 1,388 | N = 8,254 | |
| Weighted N = 204,701 | Weighted N = 1,062,303 | Weighted N = 196,755 | Weighted N = 991,028 | Weighted N = 181,637 | Weighted N = 1,033,227 | ||
| Weighted % = 16.2 | Weighted % = 83.5 | Weighted % = 16.6 | Weighted % = 83.3 | Weighted % = 14.3 | Weighted % = 85.6 | ||
| Median parity | 1 | 2 | 1 | 2 | 1 | 2 | |
| Planned pregnancy (%) | Yes | 14.4 (12.5–16.5) | 43.9 (42.0–45.9) | 14.4 (12.3–16.9) | 42.9 (40.9–44.8) | 15.2 (13.0–17.9) | 42.8 (40.9–44.6) |
| p Value | <.0001 | <.0001 | <.0001 | ||||
| Median (IQR) number of ANC visits | 4.0 (3) | 5.0 (3) | 5.0 (3) | 5.0 (2) | 5.0 (3) | 5.0 (2) | |
| Gestational age at first ANC visit (%) | First trimester | 25.7 (23.1–28.5) | 27.0 (25.9–28.2) | 24.9 (22.4–27.6) | 30.3 (29.2–31.5) | 27.8 (25.0–30.8) | 33.7 (32.5–34.9) |
| p Value | .38 | .0002 | .0002 | ||||
| Second trimester | 59.6 (56.5–62.7) | 59.1 (57.8–60.4) | 62.1 (59.1–65.0) | 58.6 (57.3–59.9) | 62.3 (59.1–65.3) | 57.6 (56.4–58.8) | |
| p Value | .76 | .03 | .006 | ||||
| Third trimester | 14.7 (12.6–17.1) | 13.9 (12.6–17.1) | 13.0 (11.1–15.2) | 11.0 (10.2–11.9) | 9.9 (8.2–11.9) | 8.7 (8.0–9.4) | |
| p Value | .52 | .07 | .224 | ||||
| Place of child’s birth (%) | Hospital/clinic | 94.8 (93.2–95.9) | 93.7 (92.9–94.4) | 96.6 (95.2–97.5) | 95.3 (94.6–95.9) | 97.2 (95.9–98.1) | 96.3 (95.7–96.8) |
| p Value | .15 | .05 | .11 | ||||
| Home/other | 5.2 (4.0–6.8) | 6.2 (5.6–7.1) | 3.4 (2.5–4.8) | 4.7 (4.1–5.4) | 2.8 (1.9–4.1) | 3.7 (3.2–4.3) | |
| p Value | .15 | .05 | .11 | ||||
| Birth attendant (%) | Doctor | 23.4 (21.1–25.9) | 27.6 (26.1–29.2) | 22.4 (20.2–24.9) | 28.2 (26.8–29.6) | 24.7 (21.7–27.9) | 29.8 (28.4–31.3) |
| p Value | .002 | <.0001 | .001 | ||||
| Nurse/midwife/health worker | 71.5 (68.7–74.1) | 66.4 (64.9–67.9) | 74.1 (71.5–76.6) | 67.5 (66.1–68.8) | 73.0 (69.7–75.9) | 66.8 (65.4–68.2) | |
| p Value | .001 | <.0001 | <.0001 | ||||
| TBA/other | 5.1 (3.9–6.6) | 5.9 (5.2–6.8) | 3.4 (2.4–4.8) | 4.4 (3.8–5.1) | 2.4 (1.5–3.6) | 3.3 (2.8–3.9) | |
| p Value | .24 | .09 | .06 | ||||
| Support during pregnancy (%) | Community health worker | 67.9 (63.0–72.4) | 72.3 (68.8–75.6) | 51.8 (45.9–57.6) | 52.4 (47.8–56.9) | 49.1 (43.0–55.1) | 50.2 (45.5–54.8) |
| p Value | .02 | .74 | .57 | ||||
| Traditional support | 6.1 (4.3–8.7) | 5.7 (4.6–6.9) | 2.6 (1.6–4.2) | 1.7 (1.2–2.3) | 1.6 (.9–2.9) | 1.8 (1.5–2.2) | |
| p Value | .58 | .06 | .68 | ||||
| Mothers support/other support | 25.9 (21.6–30.8) | 21.9 (18.8–25.4) | 45.6 (39.8–51.4) | 45.9 (41.3–50.6) | 49.3 (43.2–55.4) | 48.0 (43.4–52.7) | |
| p Value | .03 | .83 | .50 | ||||
ANC = antenatal care; IQR = interquartile range.
a
Adolescents defined as mothers ≤19 years.
b
Adults defined as mothers ≥20 years.