Research Article
Social Networks and Memory over 15 Years of Followup in a Cohort of Older Australians: Results from the Australian Longitudinal Study of Ageing
Table 1
Summary statistics for 706 participants with no cognitive impairment at baseline of ALSA.
| Characteristic | Summary1 |
| Age years mean (SD2) | 78.6 (5.7) | Gender | | Male | 476 (67.9) | Female | 230 (32.1) | Place of residence | | Community | 673 (95.3) | Institution | 33 (4.7) | Marital status | | Married/De facto | 413 (58.5) | Widowed | 244 (34.6) | Single | 49 (6.9) | Age left school | | ≤14 years | 360 (51.0) | >14 years | 346 (49.0) | Number morbid conditions mean (SD) | 1.6 (1.1) | Mobility | | No disability | 512 (72.3) | Disability | 194 (27.7) | Depressive symptoms | | CES-D < 17 | 621 (88.0) | CES-D ≥ 17 | 85 (12.0) | Alcohol problem | | AUDIT score < 8 | 671 (95.0) | AUDIT score ≥ 8 | 35 (5.0) | Smoking status | | Never smoker | 320 (45.3) | Ex smoker | 340 (48.2) | Current smoker | 46 (6.5) | Children social network score mean (SD) | 0.05 (0.75) | Relatives social network score mean (SD) | 0.02 (0.77) | Friends social network score mean (SD) | 0.13 (0.74) | Confidants social network score mean (SD) | 0.08 (0.75) | Total social network score mean (SD) | 0.27 (1.64) | Mini-mental state exam mean (SD) | 28.3 (1.7) | Memory composite mean (SD) | 15.7 (3.4) |
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1Shown is the number (%) of participants unless otherwise indicated.
2SD is standard deviation.
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