Table 2. Sociodemographic and clinical profile stratified by Cognitive Reserve Index (CRI) with p-values from univariate analysis.
| Variable | Category | CRI category | Total | p-value | |
|---|---|---|---|---|---|
| Low-mediuma (n = 111) | Mediumb (n = 100) | ||||
| n, (%) | n, (%) | ||||
| Age | M = 29 | M = 31 | |||
| 18–29 years | 60 (54.5) | 50 (45.4) | 110 | 0.74 | |
| 30–39 years | 39 (52.0) | 36 (48.0) | 75 | ||
| ≥ 40 years | 12 (46.2) | 14 (53.8) | 26 | ||
| Gender | Females | 83 (55.7) | 66 (44.3) | 149 | 0.16 |
| Males | 28 (45.2) | 34 (54.8) | 62 | ||
| Marital status | Single / Widowed | 90 (52.0) | 83 (48.0) | 173 | 0.72 |
| Married / Co-habiting | 21 (55.3) | 17 (44.7) | 38 | ||
| Educational attainment | ≤ Grade 7 | 23 (100) | 0 (0) | 23 | <0.01 |
| Grade 8–11 | 61 (64.2) | 34 (35.8) | 95 | ||
| ≥ Grade 12 | 27 (29.0) | 66 (71.0) | 93 | ||
| Employment status | Employed—formal sector | 24 (60.0) | 16 (40.0) | 40 | 0.52 |
| Employed—Informal sector | 31 (48.4) | 33 (51.6) | 64 | ||
| Unemployed | 56 (52.3) | 51 (47.7) | 107 | ||
| Substance Use (any) | No Substance Use | 52 (54.7) | 43 (45.3) | 95 | 0.58 |
| Substance Use (any) | 59 (50.9) | 57 (49.1) | 116 | ||
| Comorbid chronic illness | No | 98 (53.0) | 87 (47.0) | 185 | 0.78 |
| Yes | 13 (50) | 13 (50) | 26 | ||
| Depression status | Not depressed | 99 (53.2) | 87 (46.8) | 186 | 0.62 |
| Major depressive disorder | 12 (48.0) | 13 (52.0) | 25 | ||
| Suspected duration of HIV infection | Infection not suspected at time of testing | 70 (54.7) | 58 (45.3) | 128 | 0.63 |
| Suspected infection in last 12 months | 28 (51.9) | 26 (48.1) | 54 | ||
| Suspected infection for > 12 months | 13 (44.8) | 16 (55.2) | 29 | ||
| CD4 count (n = 205) | M = 401 | M = 422 | |||
| < 200 | 27 (58.7) | 19 (41.3) | 46 | 0.52 | |
| 200–499 | 50 (53.2) | 44 (46.8) | 94 | ||
| ≥ 500 | 31 (47.7) | 34 (52.3) | 65 | ||
CRI, Cognitive Reserve Index.
a Cognitive Reserve Index Questionnaire (CRIq) score: 70–84;
b CRIq score: 85–114.