Table 3.
Variable | Odds ratios b (95% confidence intervals) | Wald chi-square | P value |
---|---|---|---|
Age, years | 0.95 (0.94–0.96) | 91.4 | <0.0001 |
Unmarried | 1.00 | ||
Married | 1.49 (1.29–1.72) | 29.4 | <0.0001 |
Education, years | 1.06 (1.05–1.08) | 49.2 | <0.0001 |
Health insurance | |||
Private | 1.00 | ||
Public/military | 0.54 (0.45–0.65) | 42.9 | <0.0001 |
None | 0.30 (0.23–0.40) | 68.6 | <0.0001 |
Number of medical conditions c | 1.06 (0.99–1.13) | 2.5 | 0.1143 |
Number of IADL difficulties | 0.92 (0.87–0.97) | 8.3 | 0.0039 |
Mexico City (Mexico) | 1.00 | ||
Buenos Aires (Argentina) | 2.34 (1.74–3.15) | 31.8 | <0.0001 |
Sao Paulo (Brazil) | 3.13 (2.39–4.11) | 67.6 | <0.0001 |
Santiago (Chile) | 1.54 (1.14–2.07) | 8.13 | 0.0043 |
Montevideo (Uruguay) | 1.33 (0.98–1.81) | 3.40 | 0.0652 |
Bridgetown (Barbados) | 1.85 (1.32–2.58) | 13.00 | 0.0003 |
Include these cities: Buenos Aires, Bridgetown, Sao Paulo, Santiago, Mexico City, and Montevideo (corresponding countries in parenthesis).
Odds ratios were adjusted for all variables in the table.
Medical conditions include arthritis, diabetes, hypertension, heart attack, and stroke; IADL = instrumental activities of daily living.