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. Author manuscript; available in PMC: 2015 Jan 5.
Published in final edited form as: J Affect Disord. 2012 Sep 15;146(1):84–90. doi: 10.1016/j.jad.2012.08.043

Table 2.

Means, standard deviations (in parentheses), and ranges for the instrumental motor measures for the depression and comparison groups.

Major Depression Comparison Group Statistic
Force Steadiness (FS)
Average (SD) 2.41 (0.99) 1.70 (0.68) t= 3.73, p<0.0005
FS Range 0.82–5.72 0.87–3.47
Velocity Scaling (VS)
Average peak (SD) 1.38 (0.62) 2.49 (1.21) t= −5.16, p<0.000005
VS Range 0.21–2.79 1.19–7.77
Movement Time (MT)
Average (SD) 714 (216) 586 (194) t= 2.79, p<0.01
MT Range 377–1260 175–1129
Reaction Time (RT)
Average (SD) 299 (46) 303 (73) t= −0.37, p=NS
RT Range 219–382 184–490