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. Author manuscript; available in PMC: 2015 Apr 10.
Published in final edited form as: Demogr Res. 2014 Jan 23;30(7):227–252. doi: 10.4054/DemRes.2013.30.7

Table 3.

Hazard ratios from Gompertz model of age-specific mortalitya, Taiwan (n=1219)

Model numberb (1) (2a) (2b) (2c) (2d) (5)
Self-reported measures
Number of ADL limitations 1.11 1.07 1.04 1.02 1.08 1.04
Number of mobility limitations 1.50*** 1.37*** 1.39*** 1.46*** 1.40*** 1.31**
Performance-based tests
Grip strength (kg)
 Unable to perform test 3.15* 1.00
 Bottom quartile (2–20) 3.36** 2.50*
 2nd quartile (20.1–26) 2.13* 1.61
 3rd quartile (26.5–34) 1.42 1.24
 Top quartile (34.5–68) (ref) (ref)
 Joint testc (df = 4) p~0.011 p~0.049
PEF (L/min)
 Unable to perform test 5.17*** 5.15**
 Bottom quartile (50–230) 2.93** 2.22*
 2nd quartile (235–300) 2.99** 2.32*
 3rd quartile (310–390) 2.10* 1.94
 Top quartile (400–800) (ref) (ref)
 Joint testc (df = 4) p~0.004 p~0.029
Walking speed (m/sec)
 Unable to perform test 2.17 1.35
 Bottom quartile (0.06–0.52) 1.48 0.97
 2nd quartile (0.52–0.66) 0.79 0.56
 3rd quartile (0.66–0.83) 1.51 1.18
 Top quartile (0.83–2.14) (ref) (ref)
 Joint testc (df = 4) p~0.079 p~0.187
Chair stand speed (stands/sec)
 Unable to perform test 2.14* 1.29
 Bottom quartile (0.09–0.34) 1.58 1.23
 2nd quartile (0.34–0.42) 1.42 1.13
 3rd quartile (0.42–0.52) 1.75 1.51
 Top quartile (0.52–1.98) (ref) (ref)
 Joint testc (df = 4) p<0.262 p~0.721
***

p<0.001,

**

p<0.01,

*

p<0.05

a

All models control for sex, education, and urban residence.

b

Model numbers correspond to those presented in Table 4.

c

Joint Wald chi-square test for the four parameters pertaining to specified assessment.