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. 2019 Jun 7;6:170. doi: 10.3389/fvets.2019.00170

Table 2.

Perceived Stress Scale 14.

PSS-14 t1 t2 t3 Page's trend test (three points) t4 Page's trend test (four points)
Intervention Group (n = 13) Mean 44.00 43.08 43.31 L = 156.5
z = 0.098
(n = 11) 43.91 L = 273.0
z = −0.209
SD 4.183 3.353 4.131 p = 0.461 3.300 p = 0.583
Control Group (n = 31) Mean 41.94 41.77 42.13 L = 372.0
z = 0.000
(n = 31) 42.32 L = 769.5
z = −0.342
SD 2.816 3.640 3.274 p = 0.500 2.227 p = 0.634
Independent t-test t = 1.913 1.107 1.008 1.781
p = 0.063 0.274 0.319 0.082

Higher values = more symptoms.