Table 3.
Sociodemographic and neurodevelopmental characteristics of children with an included T1-weighted scan and neurocognitive assessment (n = 146).
| Variable | N (%) or Mean (SD) |
|---|---|
| Age months | 34.0 (1.7) |
| Sex (male) | 84 (57.5%) |
| Monthly household income (ZAR) | |
| < R1000 (<~$75) | 48 (32.9%) |
| R1000-R5000 (~$75–375) | 86 (58.9%) |
| >R5000 (>~$375) | 12 (8.2%) |
| Maternal education | |
| Primary | 7 (4.8%) |
| Secondary | 91 (62.3%) |
| Completed secondary | 40 (27.4%) |
| Any tertiary | 8 (5.5%) |
| Maternal employment status (employed) | 41 (28.1%) |
| SES quartile | |
| Lowest SES | 29 (19.9%) |
| Low-mod SES | 35 (24.0%) |
| Mod-high SES | 45 (30.8%) |
| High SES | 37 (25.3%) |
| Cognitive development | |
| Composite score, mean (SD) | 86.4 (9.3) |
| Developmental delay < -1SD, n (%) | 54 (37.0%) |
| Language development | |
| Composite score, mean (SD) | 84.4 (11.5) |
| Developmental delay < -1SD, n (%) | 72 (52.2%) |
Footnote: Missing data: Language (n = 8).