Skip to main content

Table 3 Hazard ratios for all-cause mortality: results of Cox proportional hazard model (N=10,271)

From: Social participation and mortality: does social position in civic groups matter?

 

Crudea)

IPTWb)

 

HR (95 % CI)

HR (95 % CI)

Social participation

  

 Regular position in the social organization(s)

reference

reference

 Leadership position in one or more social organization(s)

0.72 (0.62 to 0.85)

0.88 (0.79 to 0.99)

Age

  

 65–69

reference

reference

 70–74

1.40 (1.12 to 1.76)

1.27 (1.07 to 1.50)

 75–79

2.42 (1.95 to 3.01)

2.20 (1.87 to 2.59)

 80–84

4.27 (3.38 to 5.40)

3.79 (3.17 to 4.54)

 85 or older

9.03 (7.05 to 11.56)

7.34 (5.84 to 9.21)

Sex

  

 Female

reference

reference

 Male

2.10 (1.81 to 2.44)

2.75 (2.40 to 3.15)

Individual-level equivalent income (JPY)

  

 <19,999

reference

reference

 20,000–39,999

1.01 (0.85 to 1.20)

1.19 (1.03 to 1.37)

40,000

0.78 (0.56 to 1.10)

1.01 (0.74 to 1.37)

Educational attainment

  

 Less than 6 years

reference

reference

 6–9 years

0.54 (0.41 to 0.73)

0.79 (0.60 to 1.06)

 10–12 years

0.41 (0.30 to 0.56)

0.78 (0.59 to 1.03)

 13 years and more

0.43 (0.30 to 0.62)

0.65 (0.45 to 0.94)

 Other

1.16 (0.47 to 2.91)

1.38 (0.69 to 2.75)

Marital status

  

 Married and spouse is alive

0.82 (0.70 to 0.97)

0.86 (0.75 to 0.99)

 Other

reference

reference

Self-reported health

  

 Very good

reference

reference

 Good

1.28 (0.91 to 1.80)

0.97 (0.72 to 1.31)

 Poor

2.67 (1.88 to 3.79)

1.58 (1.13 to 2.21)

 Very poor

5.98 (4.08 to 8.75)

2.55 (1.74 to 3.73)

Self-reported physical function

  

 Very good

reference

reference

 Good

1.20 (0.93 to 1.55)

1.01 (0.79 to 1.28)

 Poor

2.61 (1.98 to 3.44)

1.32 (0.98 to 1.77)

 Very poor

4.59 (3.28 to 6.41)

1.48 (1.03 to 2.13)

Self-reported medical conditions

  

 No illness

reference

reference

 Having illness but need no treatment

1.91 (1.37 to 2.66)

1.39 (1.08 to 1.80)

 Having illness but discontinued treatment

1.52 (1.02 to 2.27)

1.30 (0.96 to 1.77)

 Receiving some treatment

2.18 (1.70 to 2.80)

1.28 (1.04 to 1.59)

Geriatric Depression Scale

  

 Normal

reference

reference

 Mildly depressed

1.59 (1.36 to 1.85)

1.17 (1.03 to 1.33)

 Severely depressed

2.18 (1.73 to 2.74)

1.19 (0.96 to 1.48)

Residence year

  

 Less than 10 years

0.80 (0.51 to 1.26)

0.97 (0.69 to 1.37)

 10–19 years

0.80 (0.55 to 1.17)

0.88 (0.67 to 1.16)

 20–29 years

0.89 (0.68 to 1.17)

1.22 (0.97 to 1.53)

 30–39 years

0.67 (0.52 to 0.86)

0.94 (0.76 to 1.15)

 40–49 years

0.63 (0.50 to 0.79)

1.11 (0.93 to 1.31)

 50 years and more

reference

reference

  1. a) Crude HR unadjusted models using each covariate as a single exposure when examining association with allcause mortality
  2. b) IPTW HR inverse probability of treatment weighted HR