Correlation of blind box consumption and non-suicidal self-injury among middle school students
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摘要:
目的 探讨盲盒消费与中学生非自杀性自伤(NSSI)行为的相关性,为中学生NSSI预防提供新的理论借鉴。 方法 2024年11月—2025年3月,采用分层随机整群抽样方法,在湖南、甘肃两省抽取2 807名11~19岁初、高中学生作为研究对象,采用盲盒消费问卷、功能性自伤行为评估量表评估学生盲盒消费频次及NSSI行为发生情况。采用χ2检验比较不同组别中学生NSSI分布差异,多元Logistic回归模型分析盲盒消费与中学生NSSI的相关性及性别差异。 结果 15.3%的中学生报告最近1年内存在1次及以上的NSSI,其中偶有NSSI(1~4次)和反复NSSI(≥5次)的报告率分别为5.5%和9.8%。单因素分析结果显示,不同盲盒消费频次中学生NSSI分布的差异均有统计学意义(χ2=55.72,P < 0.05)。调整年龄、性别、学段、家庭类型、管教方式、零花钱、冲动性和情绪管理等混杂因素后,多元Logistic回归分析结果显示,与无盲盒消费组相比,有盲盒消费组“偶有NSSI”和“反复NSSI”的风险更高(OR值分别为1.54,1.66),盲盒消费频次(连续变量)与中学生“偶有NSSI”和“反复NSSI”风险呈正相关(OR值分别为1.26,1.34)(P值均 < 0.05);性别分层后,男、女生有无盲盒消费行为、盲盒消费频次(连续变量)均与“反复NSSI”相关(男:OR值分别为1.61,1.32;女:OR值分别为1.65,1.35,P值均 < 0.05),仅在男生群体中观察到盲盒消费与“偶有NSSI”相关(OR=2.27,P < 0.05)。 结论 盲盒消费可能与中学生NSSI有关,且其与中学生NSSI的相关性存在性别差异。 Abstract:Objective To explore the correlation between blind box consumption and non-suicidal self-injury(NSSI) among middle school students, so as to provide new theoretical insights for the prevention of NSSI. Methods Using stratified random cluster sampling method, 2 807 middle school students aged 11-19 years old were selected from Hunan and Gansu provinces from November 2024 to March 2025. The blind box consumption questionnaire and Functional Assessment of Self-mutilation Scale were administered to collect data on students' blind box consumption frequency, as well as NSSI behavior. The χ2 test was used to compare differences in the distribution of NSSI across different groups. Multivariate Logistic regression analysis was performed to infer the correlation and gender differences. Results A total of 15.3% of middle school students reported having at least one NSSI incident in the past year, among which the reported rates of occasional NSSI (1-4 times) and repeated NSSI (≥5 times) were 5.5% and 9.8% respectively. The results of univariate analysis showed that there was statistically significant different in NSSI distribution among groups with different blind box consumption frequencies (χ2=55.72, P < 0.05). After adjusting for confounding factors such as age, gender, school stage, family type, discipline style, pocket money, impulsiveness and emotion management, the results of multiple Logistic regression models showed that compared with the group without blind box consumption, the risks of "occasional NSSI" and "repeated NSSI" were higher in the group with blind box consumption (OR=1.54, 1.66), and the frequency of blind box consumption(continous variable) was positively correlated with the risks of "occasional NSSI" and "repeated NSSI" among middle school students (OR=1.26, 1.34)(all P < 0.05).After gender stratification, the consumption behavior of blind boxes and the frequency of blind box consumption (continuous variable) of boys and girls were associated with "repeated NSSI"(boys: OR=1.61, 1.32, girls: OR=1.65, 1.35), and only in the male group was a correlation between blind box consumption and "occasional NSSI" observed (OR=2.27) (all P < 0.05). Conclusion Blind box consumption may be related to NSSI among middle school students, and there are gender differences in its correlation with NSSI among middle school students. -
Key words:
- Consumption /
- Self-injurious behavior /
- Mental health /
- Regression analysis /
- Students
1) 利益冲突声明 所有作者声明无利益冲突。 -
表 1 不同组别中学生NSSI分布比较
Table 1. Comparison of NSSI distribution among middle school students by different groups
组别 选项 人数 无NSSI 偶有NSSI 反复NSSI χ2值 P值 性别 男 1 462 1 303(89.1) 66(4.5) 93(6.4) 49.49 < 0.01 女 1 345 1 074(79.9) 89(6.6) 182(13.5) 年龄/岁 11~14 1 229 991(80.6) 82(6.7) 156(12.7) 34.77 < 0.01 15~17 1 424 1 256(88.2) 59(4.1) 109(7.7) 18~19 154 130(84.4) 14(9.1) 10(6.5) 学段 初中 1 461 1 182(80.9) 99(6.8) 180(12.3) 33.62 < 0.01 高中 1 346 1 195(88.8) 56(4.2) 95(7.1) 民族 汉族 2 752 2 332(84.7) 154(5.6) 266(9.7) 3.92 0.14 少数民族 55 45(81.8) 1(1.8) 9(16.4) 家庭类型 核心家庭、大家庭或联合家庭 2 475 2 115(85.5) 132(5.3) 228(9.2) 10.61 0.03 单亲家庭 160 126(78.8) 10(6.3) 24(15.0) 重组家庭或隔代家庭 172 136(79.1) 13(7.6) 23(13.4) 主要照料人文 初中及以下 1 517 1 263(83.3) 89(5.9) 165(10.9) 5.86 0.21 化程度 高中或中专 777 670(86.2) 38(4.9) 69(8.9) 大学及以上 513 444(86.5) 28(5.5) 41(8.0) 管教方式 严格 724 603(83.3) 45(6.2) 76(10.5) 52.92 < 0.01 溺爱/放任/粗暴/变化无常 317 229(72.2) 26(8.2) 62(19.6) 民主 1 766 1 545(87.5) 84(4.8) 137(7.8) 独生子女 是 344 288(83.7) 22(6.4) 34(9.9) 0.59 0.75 否 2 463 2 089(84.8) 133(5.4) 241(9.8) 月零花钱/元 0 451 370(82.0) 23(5.1) 58(12.9) 10.17 0.04 < 100 1 100 940(85.5) 70(6.4) 90(8.2) ≥100 1 256 1 067(85.0) 62(4.9) 127(10.1) 盲盒消费频次 无消费 1 456 1 289(88.5) 63(4.3) 104(7.1) 55.72 < 0.01 低频次 752 624(83.0) 48(6.4) 80(10.6) 中频次 413 334(80.9) 26(6.3) 53(12.8) 高频次 186 130(69.9) 18(9.7) 38(20.4) 注: ()内数字为构成比/%。 表 2 盲盒消费与中学生NSSI关联的多元Logistic回归分析[OR值(95%CI),n=2 807]
Table 2. Multivariate Logistic regression analysis of the relationship between blind box consumption and NSSI among middle school students[OR(95%CI), n=2 807]
自变量 选项 偶有NSSI 反复NSSI 模型1 模型2 模型1 模型2 盲盒消费行为 有 1.73(1.24~2.41)** 1.54(1.09~2.18)* 1.95(1.51~2.52)** 1.66(1.24~2.23)** 盲盒消费频次(连续变量) 1.36(1.16~1.59)** 1.26(1.07~1.50)** 1.49(1.32~1.68)** 1.34(1.16~1.55)** 盲盒消费频次(分类变量) 低 1.57(1.07~2.32)* 1.46(0.98~2.18) 1.59(1.17~2.16)** 1.43(1.01~2.02)* 中 1.59(0.99~2.56) 1.42(0.87~2.32) 1.97(1.38~2.80)** 1.72(1.16~2.57)** 高 2.83(1.63~4.93)** 2.21(1.23~3.96)** 3.62(2.40~5.48)** 2.51(1.54~4.08)** 注: * P < 0.05,** P < 0.01。 表 3 盲盒消费与不同性别中学生NSSI关联的多元Logistic回归分析[OR值(95%CI)]
Table 3. Multivariate Logistic regression analysis of the relationship between blind box consumption and NSSI among middle school students in different gender[OR(95%CI)]
自变量 选项 男生(n=1 462) 女生(n=1 345) 偶有NSSI 反复NSSI 偶有NSSI 反复NSSI 盲盒消费行为 有 2.27(1.34~3.86)** 1.61(1.02~2.55)* 1.12(0.70~1.79) 1.65(1.11~2.45)* 盲盒消费频次(连续变量) 1.50(1.17~1.92)** 1.32(1.05~1.65)* 1.09(0.86~1.38) 1.35(1.12~1.63)** 盲盒消费频次(分类变量) 低 1.98(1.06~3.67)* 1.38(0.79~2.41) 1.13(0.66~1.94) 1.40(0.89~2.22) 中 2.54(1.23~5.23)* 1.74(0.90~3.34) 0.89(0.45~1.76) 1.69(1.01~2.83)* 高 3.02(1.25~7.30)* 2.25(1.04~4.87)* 1.71(0.77~3.79) 2.71(1.42~5.15)** 注: * P < 0.05,** P < 0.01。 -
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