Table 3.
Variables | % Died | Mortality rate per 1000 person-years | Unadjusted HR (95% CI) | Adjusted HR* (95% CI) |
---|---|---|---|---|
A. General perceived stress | ||||
Non-caregiver: low stress (n=502) | 26.9 | 44.9 | 1.00 | 1.00 |
Non-caregiver: high stress (n=192) | 28.7 | 50.5 | 1.13 (0.83–1.55) | |
Early effect (years 1–3) | 1.69 (1.01 2.81) | |||
Late effect (> 3 years) | 0.87 (0.57 1.32) | |||
Caregiver: low stress (n=226) | 16.8 | 25.2 | 0.54 (0.38–0.77) | 0.67 (0.46 0.94) |
Caregiver: high stress (n=149) | 24.2 | 36.7 | 0.79 (0.54–1.14) | |
Early effect (years 1–3) | 1.44 (0.77 2.69) | |||
Late effect (> 3 years) | 0.76 (0.48 1.21) | |||
B. Caregiving-related stress | ||||
Non-caregiver (n=694) | 27.4 | 46.4 | 1.00 | 1.00 |
Caregiver: caregiving tasks not stressful (n=219) | 14.6 | 21.3 | 0.44(0.30–0.64) | 0.57 (0.38–0.84) |
Caregiver: caregiving tasks physically and/or emotionally stressful (n=156) | 26.9 | 42.6 | 0.89(0.64–1.25) | 1.00 (0.71–1.41) |
Adjusted for age, race, BMI, # IADL limitations and presence of medical conditions.
HR= Hazards ratio
CI = Confidence Interval