Table 2.
Staple food patterns and mortality among Chinese elderly.
| N | HR (95% CI 1) | Differences (95% CI) in Median Age at Death (Years) | |||
|---|---|---|---|---|---|
| Unadjusted | Multivariable Model 2 | Unadjusted | Multivariable Model 2 | ||
| Staple food patterns | |||||
| Wheat | 1708 | 1.00 | 1.00 | Ref. | Ref. |
| Rice | 6736 | 1.05 (0.99–1.12) | 1.01 (0.95–1.08) | −0.24 (−0.44–−0.03) * | −0.12 (−0.32–0.08) |
| Maize | 463 | 1.04 (0.93–1.18) | 0.93 (0.83–1.05) | −0.39 (−0.76–−0.02) * | −0.19 (−0.51–0.13) |
| Others | 45 | 1.02 (0.72–1.46) | 1.04 (0.72–1.51) | −0.57 (−2.07–0.93) | −0.12 (−0.65–0.41) |
| Quartiles of staple food intake | |||||
| Q1 (≤4 liang/day) 3 | 2371 | 1.00 | 1.00 | Ref. | Ref. |
| Q2 (5–6 liang/day) | 3450 | 0.84 (0.79–0.90) ** | 0.92 (0.86–0.98) ** | 0.67 (0.46–0.89) ** | 0.24 (0.04–0.43) * |
| Q3 (7–8 liang/day) | 1593 | 0.80 (0.75–0.87) ** | 0.92 (0.85–0.99) * | 0.62 (0.37–0.87) ** | 0.12 (−0.11–0.34) |
| Q4 (≥9 liang/day) | 1521 | 0.79 (0.74–0.85) ** | 0.91 (0.84–0.98) * | 0.82 (0.57–1.07) ** | 0.26 (0.01–0.50) * |
* p < 0.05 ** p < 0.01; 1 CI: confidence interval; 2 Models adjusted for age, gender, job before 60 years of age, residence, smoking, alcohol drinking, physical activity (regular exercise), number of chronic diseases, frequency intake of fruit, vegetable. 3 1 liang (Chinese unit) equals to 50 g.