Relationship between parenting stress and behavioral and emotional problems in preschool children: A mediation effect analysis

Table 1 General information of preschool children, n (%)

General Information	Classification	Number and composition ratio
Gender	Male	133 (51.55)
	Female	125 (48.45)
Age (years)	5	132 (51.16)
	6	126 (48.84)
Only child	Is	65 (25.19)
	No	193 (74.81)
Premature birth	Is	37 (14.34)
	No	221 (85.66)
Birth weight (g)	≥ 2500	218 (84.50)
	< 2500	40 (15.50)
Primary caregiver	Parents	139 (53.88)
	Grandparents	74 (28.68)
	Other	45 (17.44)
Father age (years old)	≤ 30	167 (64.73)
	30-40	69 (26.74)
	> 40	22 (8.53)
Father's level of education	High school and the following	62 (24.03)
	Specialized subject	108 (41.86)
	Bachelor's degree or above	88 (34.11)
Mother's age (years)	≤ 30	180 (69.77)
	30-40	62 (24.03)
	> 40	16 (6.20)
Cultural degree of mother	High school and the following	56 (21.71)
	Specialty	123 (47.67)
	Bachelor's degree or above	79 (30.62)
Family per capita income (yuan)	6000 or less	55 (21.32)
	6000-8000	116 (44.96)
	> 8000	87 (33.72)
Outdoor activities of time every day (hour)	≤ 1	61 (23.64)
	1-3	154 (59.69)
	> 3	43 (16.67)
Number of interest classes attended per week (times)	0	43 (16.67)
	1-3	166 (64.34)
	> 3	49 (18.99)
Sleep time (hour/day)	> 8	176 (68.22)
	≤ 8	82 (31.78)