Serial Multiple Mediation of Mastery and Sleep Quality in the Relationship between Caregiving Burden and Anxiety among Parental Caregivers of Children with Leukemia in China

Table 1

Background characteristics of the sample (n = 342).

Variables	N (%) or M (SD)
Caregiver age	37.79 (5.69)
Caregiver gender
Male	133 (38.89%)
Female	209 (61.11%)
Residence
Urban	144 (42.11%)
Rural	198 (57.89%)
Education
Less than secondary	214 (62.57%)
Secondary and above	128 (37.43%)
Marriage
Married	308 (90.06%)
Unmarried	34 (9.94%)
Self-rated health
Very bad/bad	102 (29.82%)
Moderate	191 (55.85%)
Good/very good	49 (14.33%)
Current work
Peasant	254 (74.27%)
Nonpeasant	88 (25.73%)
Only child
Yes	92 (26.90%)
No	250 (73.10%)
Child gender
Male	221 (64.62%)
Female	121 (35.38%)
Caring hours per day	16.89 (7.02)