Table 3 Relative risk ratios of high and moderate frequencies relative to low frequency of self-perceived uselessness for those lived to age 100 and above in comparison with those lived to age 91 yet died before age 100 among those born in 1906–1913, CLHLS 2005–2014
From: A comparison of perceived uselessness between centenarians and non-centenarians in China
| Age at death | Model I | Model II | Model III | Model IV | Model V | Model VI |
|---|---|---|---|---|---|---|
| High frequency relative to low frequency | ||||||
| Survived to age 100 vs. died at ages 91–94 |
0.62* (0.41–0.91) |
0.64* (0.42–0.97) |
0.62* (0.41–0.84) |
0.74 (0.48–1.12) |
0.80 (0.52–1.22) |
0.85 (0.55–1.32) |
| Survived to age 100 vs. died at ages 95–99 |
0.98 (0.77–1.24) |
1.02 (0.80–1.29) |
0.98 (0.78–1.24) |
1.11 (0.88–1.43) |
1.16 (0.91–1.47) |
1.25 (0.97–1.60) |
| Moderate frequency relative to low frequency | ||||||
| Survived to age 100 vs. died at ages 91–94 |
0.61* (0.41–0.91) |
0.62* (0.42–0.93) |
0.61* (0.41–0.91) |
0.64* (0.43–0.97) |
0.69+ (0.47–1.04) |
0.71+ (0.48–1.06) |
| Survived to age 100 vs. died at ages 95–99 |
0.93 (0.75–1.17) |
0.95 (0.76–1.19) |
0.94 (0.75–1.17) |
0.98 (0.78–1.23) |
1.02 (0.81–1.28) |
1.04 (0.82–1.31) |