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. 2026 Jan 27;26:665. doi: 10.1186/s12889-026-26410-8

Table 1.

Characteristics of the study population (N = 16,258)

Characteristics Prosocial behavior problems P value
No (N = 8492) Yes (N = 7766)
Maternal age (y) 34.49 ± 4.46 34.15 ± 4.38 < 0.001
Child age (y) 4.90 ± 0.86 4.74 ± 0.91 < 0.001
Maternal CES-D score 10.10 ± 6.48 12.24 ± 6.60 < 0.001
Overreactive parenting score 2.69 ± 1.09 3.13 ± 1.00 < 0.001
Child gender < 0.001
 Boy 4161 (49.00%) 4180 (53.82%)
 Girl 4331 (51.00%) 3586 (46.18%)
Maternal education level < 0.001
 ≤Junior high school 2207 (25.99%) 2334 (30.05%)
 High school diploma and junior college 3777 (44.48%) 3408 (43.88%)
 Undergraduate degree 2405 (28.32%) 1913 (24.63%)
 ≥Master’s degree 103 (1.21%) 111 (1.43%)
Maternal marital status 0.027
 Married 8275 (97.44%) 7608 (97.97%)
 Unmarried 217 (2.56%) 158 (2.03%)
Annual household income (¥) < 0.001
 <¥100,000 6803 (80.11%) 6536 (84.16%)
 ≥¥100,000 <¥300,000 1576 (18.56%) 1178 (15.17%)
 ≥¥300,000 113 (1.33%) 52 (0.67%)
Number of children in the household 0.259
 1 2380 (28.03%) 2115 (27.23%)
 ≥2 6112 (71.97%) 5651 (72.77%)
Maternal CES-D score < 0.001
 <16 7435 (87.55%) 6239 (80.34%)
 ≥16 1057 (12.45%) 1527 (19.66%)
Overreactive parenting score tertile < 0.001
 Low 3418 (40.25%) 1836 (23.64%)
 Middle 2783 (32.77%) 2579 (33.21%)
 High 2291 (26.98%) 3351 (43.15%)

Data are expressed as mean ± SD or number (percentage). CES-D, Center for Epidemiologic Studies Depression Scale; SDQ, Strengths and Difficulties Questionnaire. Elevated depressive symptoms defined as CES-D ≥ 16. Prosocial behavior problems defined as SDQ prosocial behavior score < 6

¥, yuan renminbi (to convert to US dollar, multiply by 7.30)