. 2014 Apr 15;1:3. doi: 10.1186/2054-9369-1-3

Table 2.

Correlation analysis of relationship between social support, acute stress and sleep disorder ( r )

Variable	ST	AT	S1	S2	S3	S4	S5
AT	0.366⁽¹⁾
S1	0.537⁽¹⁾	0.458⁽¹⁾
S2	0.509⁽¹⁾	0.432⁽¹⁾	0.893⁽¹⁾
S3	0.463⁽¹⁾	0.465⁽¹⁾	0.898⁽¹⁾	0.739⁽¹⁾
S4	0.415⁽¹⁾	0.362⁽¹⁾	0.795⁽¹⁾	0.681⁽¹⁾	0.646⁽¹⁾
S5	0.405⁽¹⁾	0.270⁽¹⁾	0.753⁽¹⁾	0.586⁽¹⁾	0.578⁽¹⁾	0.450⁽¹⁾
S6	0.356⁽¹⁾	0.209⁽¹⁾	0.652⁽¹⁾	0.494⁽¹⁾	0.419⁽¹⁾	0.396⁽¹⁾	0.638⁽¹⁾

Significance levels of correlation coefficients between the social support and sleep disorder and acute stress: ⁽¹⁾ P < 0.05. AT. Grass-root military personnel’s acute stress; ST. Grass-root military personnel’s social support; S1-S6. Factors of Grass-root military personnel’s sleep disorder, i.e. total scores, daytime dysfunction, insomnia, lethargy, motile abnormal sleep, immotilea abnormal sleep.