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. 2020 Oct 22;20:514. doi: 10.1186/s12888-020-02916-2

Table 1.

Comparing characteristics of the bereaved and matched control groups, China Health and Retirement Longitudinal Study 2011–2015

Bereaved Control t-stat p-value Cohen’s D
CES-D (3 waves) 10.042 (6.951) 8.522 (6.281) 6.6 < 0.001 0.229
Self-Assessed Health (3 waves) 3.078 (0.943) 3.081 (0.947) 0.1 0.940 0.003
Woman 64.5% 64.2% 0.2 0.840 0.006
Working in Baseline Year 59.1% 58.0% 0.7 0.493 0.022
Rural Hukou 81.5% 83.7% 1.8 0.075 0.057
Having diabetes in baseline year 5.9% 7.2% 1.6 0.118 0.050
Having heart disease in baseline year 12.9% 11.0% 1.8 0.074 0.057
More than 5 years schooling 7.6% 8.9% 1.4 0.160 0.045
Receiving public pension/assistance 27.5% 24.4% 2.2 0.028 0.071
Observations 1929 1929

(1) Standard deviation in parentheses; (2) CES-D: Center for Epidemiologic Studies Depression Scale; (3) t-statistics, p-value, and Cohen’s D are for comparing bereaved and matched control groups of the estimation sample