Table 1.
Selected Baseline Sociodemographic Characteristics of Participants in the Brazilian Longitudinal Study of Aging (2015–2016) Compared With Those Aged 50 Years or Older From the Brazilian National Health Survey (2013)
| Characteristic | ELSI-Brazil (n = 9,412)a | PNS (n = 45,154)a | ||
|---|---|---|---|---|
| Mean or %b | 95% CI | Mean or %b | 95% CI | |
| Mean age, years | 62.9 | 62.1, 63.8 | 62.6 | 62.4, 62.8 |
| Female sex | 54.0 | 51.0, 56.9 | 55.0 | 54.5, 55.5 |
| Mean no. of people in the household | 3.1 | 3.1, 3.2 | 3.1 | 3.0, 3.1 |
| Marital status | ||||
| Married | 63.5 | 60.5, 66.3 | 56.7 | 55.7, 57.5 |
| Windowed | 14.7 | 12.9, 16.8 | 17.6 | 17.0, 18.2 |
| Single/divorced | 21.8 | 20.0, 23.7 | 25.9 | 25.2, 26.6 |
| Rural residence | 15.3 | 11.2, 20.6 | 14.1 | 13.5, 14.8 |
| Geographic region | ||||
| North | 5.6 | 2.3, 12.8 | 5.6 | 5.3, 5.9 |
| Northeast | 24.1 | 15.9, 34.8 | 24.6 | 23.9, 25.3 |
| Center-West | 6.6 | 3.0, 13.8 | 6.7 | 6.5, 7.1 |
| Southeast | 47.2 | 35.6, 59.1 | 47.5 | 46.5, 48.5 |
| South | 16.6 | 8.8, 29.1 | 15.6 | 14.9, 16.3 |
| Schooling, years | ||||
| <8 | 64.6 | 61.3, 67.4 | 61.9 | 60.7, 63.1 |
| 8–10 | 11.9 | 10.6, 13.3 | 10.5 | 10.0, 11.2 |
| ≥11 | 23.8 | 21.7, 26.0 | 27.6 | 26.5, 28.7 |
Abbreviations: CI, confidence interval; ELSI-Brazil, Brazilian Longitudinal Study of Aging; PNS, Brazilian National Health Survey.
a Unweighted.
b All results are percentages, except when specified. All estimates considered the complex sample design and survey weights.