Table 1.
Study of Sample Characteristics, Social Support, and Cognitive Functions at Baseline
| Variable | Mean (SD) | Range |
|---|---|---|
| Total Sample (n) | 355 | |
| Age (years) | 76.58 (±6.94) | 65.00-95.00 |
| Women: number (%) | 196 (55.2) | |
| Ethnicity: number (% Caucasian) | 310 (87.3) | |
| Education (years) | 14.33 (±2.78) | 5.00-20.00 |
| Disease comorbidity index | 1.15 (±1.02) | 0.00-5.00 |
| Geriatric Depression Score | 4.75 (±3.99) | 0.00-21.00 |
| RBANS (standard total score) | 91.44 (±11.87) | 65.00-137.00 |
| MOS-SSS (total score) | 4.06 (±0.88) | 1.00-5.00 |
| MOS-SSS Factor Score 1 | 3.99 (±1.04) | 1.00-5.00 |
| Females | 4.03 (±0.99) | 1.00-5.00 |
| Males | 3.95 (±1.10) | 1.00-5.00 |
| MOS-SSS Factor Score 2 | 3.99 (±1.17) | 1.00-5.00 |
| Females | 3.79 (±1.22) | 1.00-5.00 |
| Males | 4.23 (±1.06) | 1.00-5.00 |
| MOS-SSS Factor Score 3 | 4.33 (±1.01) | 1.00-5.00 |
| Females | 4.02 (±0.94) | 1.00-5.00 |
| Males | 4.14 (±1.09) | 1.00-5.00 |
| MOS-SSS Factor Score 4 | 4.08 (±1.10) | 1.00-5.00 |
| Females | 4.22 (±0.92) | 1.00-5.00 |
| Males | 4.46 (±0.89) | 1.00-5.00 |
Notes: MOS-SSS = Medical Outcomes Study- Social Support Survey; RBANS = Repeatable Battery for the Assessment of Neuropsychological Status; Factor 1 = Emotional/Informational Support; Factor 2= Tangible Support; Factor 3= Positive Social Interaction; Factor 4= Affectionate Support