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Table 3 Multivariate models of factors concerning caregivers and the elderly for the PCS and MCS in caregivers for the elderly (n = 407)

From: Quality of life in Chinese family caregivers for elderly people with chronic diseases

variables PCS MCS
β (SE) βa β (SE) βa
Caregivers’ demographic factors
 age −0.389 (0.073) −0.337* −0.201 (0.069) −0.198*
 gender −0.308 (1.243) −0.011 −1.099 (1.175) −0.043
 marital status 2.766 (2.091) 0.056 2.328 (1.976) 0.053
 education level −0.493 (0.618) −0.042 −0.392 (0.584) −0.038
 occupation −0.030 (0.417) −0.003 0.067 (0.394) 0.008
 average monthly revenue 0.746 (0.569) 0.061 0.220 (0.538) 0.020
 comorbidity −5.630 (0.874) −0.301* −2.833 (0.826) −0.172*
Elderly’ demographic factors
 age −0.217 (0.108) −0.102* −0.083 (0.102) −0.044
 gender 1.538 (1.321) 0.053 0.654 (1.248) 0.025
 marital status −1.639 (0.725) −0.103* −1.774 (0.685) −0.126*
 education level −0.291 (0.624) −0.022 −0.575 (0.589) −0.049
 ADL −0.203 (0.096) −0.107* −0.327 (0.091) −0.195*
Caregiving factors     
 relationship to the elderly person −0.173 (0.706) −0.015 −0.930 (0.667) −0.091
 overall caregiving duration 0.391 (0.454) 0.038 0.027 (0.429) 0.003
 average daily caregiving duration 1.049 (0.772) 0.068 0.958 (0.729) 0.071
 affordability of the elderly person’s healthcare expenses 1.567 (0.861) 0.083 2.490 (0.813) 0.150*
 importance of the perceived effects of caregiving on the caregiver’s social life 5.185 (0.915) 0.274* 4.681 (0.865) 0.282*
  1. β represents estimated regression coefficient, standing for the mean difference between the index and reference categories and standing for the average increase (decrease) in 2 scales of the SF-36 for each 1-unit increase for continuous variables; SE represents standard error
  2. a Standardized regression coefficient; * P < 0.05