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. 2012 Dec 12;12:225. doi: 10.1186/1471-244X-12-225

Table 3.

Seasonal differences in mental distress

  Season for attending the study
Polar night Spring Polar day Autumn χ21 p1
HSCL-10 score
1.26 (0.36)2
1.25 (0.35)2
1.27 (0.37)2
1.27 (0.37)2
5.514
0.3189
High mental distress3 206 (7.7)4 107 (6.6)4 97 (8.0)4 180 (7.3)4 2.767 0.420

1Kruskal-Wallis test.

2Mean (SD).

3HSCL10 score≥1.85.

4Number (%).