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. 2017 Aug 30;15:57. doi: 10.1186/s12960-017-0225-0

Table 13.

Comparison of total scores at baseline and end-line (Supervisors)

Total Score Intervention group Difference in sample means (end-line - baseline) Standard error of the difference in sample means Difference in sample medians (end-line - baseline) Mann-Whitney U test
In my interactions with staff Control -0.26 0.64 0 U = 344, Z = -0.36, p-value =0.72
a + b 0.59 0.61 1 U = 524, Z = -1.33, p-value = 0.184
a + b + c 0.61 0.58 0 U = 661, Z = -0.8, p-value = 0.424
To maintain high levels of performance Control -0.93 1.23 -1 U = 331, Z = -0.58, p-value =0.56
a + b 3.48 1.16 4 U = 373, Z = -3.03, p-value = 0.002
a + b + c 1.75 1.40 3 U = 624, Z = -1.17, p-value = 0.243
When dealing with performance problems Control -0.67 0.69 -1 U = 310, Z = -0.95, p-value =0.34
a + b 1.99 0.54 3 U = 347.5, Z = -3.38, p-value = 0.001
a + b + c 0.68 0.69 1 U = 669.5, Z = -0.72, p-value = 0.473
Counselling a troubled employee Control -1.04 0.60 -1 U = 285, Z = -1.41, p-value =0.159
a + b 0.99 0.38 1 U = 433.5, Z = -2.43, p-value = 0.015
a + b + c 1.11 0.46 1.5 U = 511.5, Z = -2.42, p-value = 0.015
Time management Control -0.11 0.59 0 U = 356.5, Z = -0.14, p-value =0.888
a + b 1.15 0.42 1 U = 425.5, Z = -2.52, p-value = 0.012
a + b + c 0.11 0.48 0 U = 721, Z = -0.19, p-value = 0.85