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Table 5 Percentage of SHL stratified by academic stress level

From: Ear diseases among secondary school students in Xi'an, China: The role of portable audio device use, insomnia and academic stress

Academic stress SHL Without SHL Total Percentage of SHL(%)
Normal 14 922 936 1.50
Mild 6 514 520 1.15
Moderate 2 96 98 2.04
Severe 1 12 13 7.69
Total 23 1544 1567 1.47
  1. X 2 = 4.065, P = 0.255