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Table 13 Comparison of total scores at baseline and end-line (Supervisors)

From: The impact of a human resource management intervention on the capacity of supervisors to support and supervise their staff at health facility level

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