中国5省初中生视屏时间和饮食行为与抑郁症状的关联
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杨瑞君, 吕书红, 刘志业, 张新, 刘志浩
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Relationship of screen time and dietary behaviors with depressive symptoms in junior high school students in five provinces in China
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YANG Ruijun, LÜ Shuhong, LIU Zhiye, ZHANG Xin, LIU Zhihao
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表1 5省初中生抑郁症状报告率情况
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Tab 1 Reporting rates of depressive symptom in junior high school students in 5 provinces
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| Factor | Sample size/n | Depressive symptoms/n(%) | χ2 value | P value |
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| Total | 1 067 | 138 (12.9) | | | | Area | | | 18.177 | 0.000 | | East | 406 | 34 (8.4) | | | | Middle | 283 | 34 (12.0) | | | | West | 378 | 70 (18.5) | | | | Residence | | | 2.469 | 0.116 | | Urban | 422 | 63 (14.9) | | | | Rural | 645 | 75 (11.6) | | | | Grade | | | 0.008 | 0.930 | | 7 | 252 | 33 (13.1) | | | | 8 | 815 | 105 (12.9) | | | | Gender | | | 0.426 | 0.514 | | Male | 560 | 76 (13.6) | | | | Female | 507 | 62 (12.2) | | | | Only child① | | | 4.291 | 0.038 | | Yes | 319 | 31 (9.7) | | | | No | 737 | 106 (14.4) | | | | Resident student① | | | 2.163 | 0.141 | | Yes | 605 | 86 (14.2) | | | | No | 457 | 51 (11.2) | | | | Weekly allowance① | | | 17.186 | 0.002 | | None | 264 | 20 (7.6) | | | | 1‒10 yuan | 209 | 20 (9.6) | | | | 11‒50 yuan | 383 | 63 (16.4) | | | | 51‒100 yuan | 156 | 24 (15.4) | | | | >100 yuan | 51 | 11 (21.6) | | | | Smoking behavior① | | | 17.095 | 0.000 | | Yes | 59 | 18 (30.5) | | | | No | 1 007 | 120 (11.9) | | | | Drinking behavior① | | | 15.793 | 0.000 | | Yes | 277 | 55 (19.9) | | | | No | 788 | 83 (10.5) | | | | Daily screen time | | | 18.783 | 0.000 | | <2 h | 905 | 100 (11.1) | | | | ≥2 h | 162 | 38 (23.5) | | | | Healthy dietary behaviors | | | 31.595 | 0.000 | | Yes | 752 | 69 (9.2) | | | | No | 315 | 69 (21.9) | | | | Daily exercise time | | | 2.589 | 0.108 | | <1 h | 428 | 64 (15.0) | | | | ≥1 h | 639 | 74 (11.6) | | |
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