Table 3. Hazard ratios (HRs) of mortality for five social relationship measures for aged 75+ years at baseline.
Social relationships | Stage 1* | Stage 2* | |||
HR | 95% CI | HR | 95% CI | ||
Men n=295 | |||||
Casual friend† | 0.82 | 0.56 – 1.22 | 0.90 | 0.56 – 1.43 | |
Support provider† | 1.05 | 0.72 – 1.53 | 1.16 | 0.74 – 1.80 | |
Group membership† | 0.53 | 0.36 – 0.77 | 0.62 | 0.41 – 0.94 | |
Jobt | 0.54 | 0.37 – 0.78 | 0.60 | 0.40 – 0.90 | |
Living arrangement§ | (alone) | 0.48 | 0.12 – 1.98 | 0.49 | 0.12 – 2.03 |
(couple) | 0.89 | 0.52 – 1.55 | 0.85 | 0.49 – 1.48 | |
Women n=464 | |||||
Casual friend† | 0.82 | 0.56 – 1.23 | 0.92 | 0.58 – 1.44 | |
Support provider† | 0.90 | 0.61 – 1.33 | 1.01 | 0.66 – 1.54 | |
Group membership† | 0.79 | 0.54 – 1.15 | 0.88 | 0.59 – 1.31 | |
Job† | 0.65 | 0.44 – 0.96 | 0.67 | 0.45 – 0.99 | |
Living arrangement§ | (alone) | 0.34 | 0.13 – 0.94 | 0.35 | 0.13 – 0.97 |
(couple) | 0.57 | 0.18 – 1.84 | 0.61 | 0.19 – 1.97 |
CI : confidence interval
* : Stage 1 is adjusted for age, self-rated health, diagnosed illness, annual income, and home ownership. Stage 2 is adjusted for age, self-rated health, diagnosed illness, other social relationships, annual income, and home ownership.
† : To calculate the hazard ratios, “no” (coded=0) of each variable is used as a reference.
§ : To calculate the hazard ratios, multi-generation household is used as a reference.