上海市儿童青少年睡眠期间室内夜间光暴露现况

曲爽笑; 姚春霞; 高桂玲; 杨东玲; 郑柯炀; 黄生垒; 张凤云; 罗春燕

doi:10.16835/j.cnki.1000-9817.2025264

上海市儿童青少年睡眠期间室内夜间光暴露现况

doi: 10.16835/j.cnki.1000-9817.2025264

1.
上海市疾病预防控制中心儿童青少年健康所，201107
2.
上海市松江区疾病预防控制中心学校卫生科

基金项目:

上海市加强公共卫生体系建设三年行动计划优青项目(2023—2025年) GWVI-11.2-YQ26

详细信息

作者简介:
曲爽笑(1990-)，女，山东烟台人，硕士，主管医师，主要研究方向为环境与儿童青少年健康

通讯作者:
张凤云，E-mail: zhengfengyun@scdc.sh.cn

罗春燕，E-mail: luochunyan@scdc.sh.cn

利益冲突声明 所有作者声明无利益冲突。
中图分类号: R179 Q428 O432 B845.61
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出版历程
- 收稿日期: 2025-02-08
- 修回日期: 2025-04-07
- 网络出版日期: 2025-10-10
- 刊出日期: 2025-09-25

Current status of indoor light-at-night exposure during sleep among children and adolescents in Shanghai

1.
Division of Child and Adolescent Health, Shanghai Municipal Center for Disease Control and Prevention, Shanghai 201107, China

摘要

摘要: 目的了解上海市儿童青少年睡眠期间室内夜间光(LAN)暴露强度，为探究其潜在健康风险和制定有效的干预措施提供依据。方法 2024年4—12月，在上海市3所学校招募628名四至七年级学生纳入研究。采用便携式照度计连续一周测量睡眠期间LAN强度，由调查对象自填睡眠时间。采用Kruskal-Wallis H检验进行组间比较，采用误差折线图显示学生不同睡眠时段的平均LAN暴露强度变化趋势及变异范围。结果上海市儿童青少年在睡眠期间室内LAN暴露强度为[2.4(0.8, 5.9)lx]，28.8%的儿童青少年室内LAN暴露强度≥5 lx；男生[2.4(1.0, 5.9)lx]、女生[2.3(0.7, 5.9)lx]室内LAN暴露强度差异无统计学意义(Z=-0.86，P>0.05)，小学生[2.9(1.1, 6.6)lx]高于初中生[1.0(0.3, 3.1)lx](Z=-5.87，P < 0.05)，主城区学生[3.2(1.1, 7.8)lx]高于乡村学生[1.6(0.5, 4.3)lx](Z=-5.23，P < 0.05)。室内LAN暴露强度在儿童青少年睡眠期间总体呈下降趋势(tau=-0.81，P=0.02)，在起床前有所回升。结论上海市儿童青少年睡眠期间LAN暴露强度较高，尤其是处于较低年龄段的小学生和主城区学生。需加强相关政策落实和健康教育，减少LAN对儿童青少年健康的影响。
- 睡眠 /
- 光 /
- 环境暴露 /
- 儿童 /
- 青少年
Abstract: Objective To understand the indoor light-at-night (LAN) exposure intensity during sleep among children and adolescents in Shanghai, so as to provide a basis for exploring potential health risks and formulating effective interventions. Methods From April to December in 2024, a total of 628 students in grades 4-7 were recruited from three schools in Shanghai. A portable illuminance meter was used to measure LAN for one week, and participants recorded their sleep time. The Kruskal-Wallis H test was used for comparison between groups, and the error bar chart was used to show the trend and variation range of average LAN exposure intensity in different sleep periods. Results The indoor LAN exposure intensity of children and adolescents in Shanghai was [2.4(0.8, 5.9)lx] during sleep, and 28.8% of children and adolescents were exposed to indoor LAN≥5 lx. There was no significant differences in indoor LAN exposure intensity between boys [2.4(1.0, 5.9)lx] and girls [2.3(0.7, 5.9)lx] (Z=-0.86, P>0.05). The indoor LAN exposure intensity of primary school students [2.9(1.1, 6.6)lx] was higher than that of junior high school students [1.0(0.3, 3.1)lx] (Z=-5.87), and indoor LAN exposure intensity of students in the main urban area [3.2(1.1, 7.8)lx] was higher than that of rural students [1.6(0.5, 4.3)lx] (Z=-5.23)(both P < 0.05). The indoor LAN exposure intensity showed an overall decreasing trend during sleep of children and adolescents (tau=-0.81, P=0.02), with a slight increase before waking up. Conclusions Indoor LAN exposure intensity among children and adolescents in Shanghai is generally high, especially among primary school students and students living in the main urban area. Health policy and education should be strengthened to reduce the impact of LAN on children and adolescent health.
- Sleep /
- Light /
- Environmental exposure /
- Child /
- Adolescent
注释:

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图 1 上海市儿童青少年不同睡眠时段室内LAN暴露强度误差折线图

Figure 1. Error line chart of indoor LAN exposure intensity in different sleep periods among children and adolescents in Shanghai

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表 1 上海市儿童青少年不同时段室内LAN暴露强度构成比(n=628)

Table 1. Composition ratios of indoor LAN exposure intensity at different times among children and adolescents in Shanghai(n=628)

时段	< 1 lx	1~ < 3 lx	3~ < 5 lx	5~ < 10 lx	≥10 lx
睡眠期间	175(27.9)	177(28.2)	95(15.1)	80(12.7)	101(16.1)
21:00—次日7:00	76(12.1)	131(20.9)	97(15.4)	157(25.0)	167(26.6)
入睡前1 h	36(5.7)	44(7.0)	33(5.3)	72(11.5)	443(70.5)
入睡后1 h	150(23.9)	69(11.0)	42(6.7)	92(14.6)	275(43.8)
入睡后2 h	166(26.5)	90(14.3)	66(10.5)	88(14.0)	218(34.7)
入睡后3 h	190(30.2)	110(17.5)	64(10.2)	94(15.0)	170(27.1)
入睡后4 h	207(33.0)	123(19.6)	67(10.7)	95(15.1)	136(21.6)
起床前2 h	284(45.2)	120(19.1)	49(7.8)	73(11.6)	102(16.3)
起床前1 h	247(39.3)	101(16.1)	53(8.4)	78(12.5)	149(23.7)
注：()内数字为构成比/%。

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表 2 上海市不同组别儿童青少年室内LAN暴露强度比较[M(P₂₅, P₇₅)，lx]

Table 2. Comparison of indoor LAN exposure intensity in different groups of children and adolescents in Shanghai[M(P₂₅, P₇₅), lx]

组别	选项	人数	统计值	睡眠期间	21:00—次日7:00
性别	男	314		2.4(1.0, 5.9)	5.3(2.4, 10.7)
	女	314		2.3(0.7, 5.9)	5.2(1.9, 10.2)
			Z值	-0.86	-1.08
			P值	0.39	0.28
学段	小学	499		2.9(1.1, 6.6)	5.5(2.3, 10.7)
	初中	129		1.0(0.3, 3.1)	4.0(1.3, 8.9)
			Z值	-5.87	-2.38
			P值	< 0.01	0.02
地区	主城区	368		3.2(1.1, 7.8)	5.6(2.4, 11.1)
	乡村	260		1.6(0.5, 4.3)	4.6(1.9, 9.2)
			Z值	-5.23	-2.07
			P值	< 0.01	< 0.01

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表 3 上海市不同组别儿童青少年室内LAN高暴露检出率比较

Table 3. Comparison of detection rates of indoor LAN high exposure in different groups of children and adolescents in Shanghai

组别	选项	人数	统计值	睡眠期间	21:00—次日7:00
性别	男	314		89(28.3)	164(52.2)
	女	314		93(29.6)	160(51.0)
			χ²值	0.12	0.10
			P值	0.73	0.75
学段	小学	499		159(31.9)	266(53.3)
	初中	129		23(17.8)	58(45.0)
			χ²值	9.81	2.86
			P值	< 0.01	0.09
地区	主城区	368		128(34.8)	203(55.2)
	乡村	260		54(20.8)	121(46.5)
			χ²值	14.54	4.54
			P值	< 0.01	0.03
注：()内数字为检出率/%。

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