Table 4. Results of time series analyses: prevalence of disability (%) among four interviews, by age group.
| Ages 65-74 | Ages 75 and older | |||||||
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|
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| 1992 | 1994 | 1997 | 2000 | 1992 | 1994 | 1997 | 2000 | |
| (n=1109) | (n=981) | (n=844) | (n=754) | (n=1109) | (n=948) | (n=780) | (n=732) | |
| Total | 2.7 | 3.8 | 4.5 | 4.0 | 8.0 | 9.3 | 11.7 | 11.0 |
| Mean Age, y | 69.5 | 69.6 | 69.4 | 69.2 | 80.4 | 80.7 | 80.7 | 80.8 |
| Sex | ||||||||
| Male | 2.1 | 4.5 | 5.7 | 5.0 | 6.6 | 5.0** | 9.8** | 8.3* * |
| Female | 3.4 | 3.1 | 3.4 | 3.1 | 9.3 | 13.3 | 13.5 | 13.6 |
| Region | ||||||||
| Urban | 2.0 | 3.2 | 4.2 | 4.4 | 7.5 | 8.4 | 8.9** | 10.3 |
| Suburban | 4.8 | 5.0 | 4.7 | 4.1 | 9.4 | 11.7 | 21.3 | 16.0 |
| Hilly | 2.8 | 4.7 | 5.5 | 2.6 | 8.5 | 9.7 | 10.2 | 9.8 |
| Marital Status | ||||||||
| Married | 2.2 | 3.1 | 4.8 | 3.7 | 6.3 | 6.5** | 8.1** | 8.5** |
| Unmarried | 3.9 | 4.0 | 3.3 | 4.8 | 9.0 | 11.0 | 14.3 | 13.2 |
| Education | ||||||||
| Illiterate | 3.3 | 3.8 | 4.8 | 4.3 | 8.8 | 10.7 | 13.8* | 13.0 * |
| Primary | 2.7 | 3.4 | 4.3 | 4.0 | 7.3 | 8.3 | 7.1 | 9.6 |
| ≥ Secondary | 1.5 | 4.1 | 4.3 | 3.7 | 4.3 | 6.1 | 11.1 | 7.4 |
* Compared among each stratified group within each year, P< .05.
** Compared among each stratified group within each year, P< .01.