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Table 3 Stratified regression analysis of sleep disorder, acute stress and social support( α in = 0.05, α out = 0.10)

From: Relationship between acute stress and sleep disorder in grass-root military personnel: mediating effect of social support

Procedure Dependent variable Variable R 2 ΔR2 F B β
1 Sleep disorder Acute stress 0.210 0.210 640.928(1) 0.696(1) 0.458(1)
2 Social support Acute stress 0.134 0.134 373.049(1) 0.309(1) 0.366(1)
3 Sleep disorder Social support 0.367 0.367 698.396(1) 0.766(1) 0.426(1)
   Acute stress     0.459(1) 0.303(1)
  1. Significance levels of hierarchical regression analysis: (1)P < 0.01. β. Standardized regression analysis coefficient.