Table 2 Within-group change in study outcomes.

From: Effect of a nutraceutical combination on sleep quality among people with impaired sleep: a randomised, placebo-controlled trial

 

Active

Placebo

Final-basal

p-value

Final-basal

p-value

Change in sleep efficiency (%)

0.00

0.71

0.03

0.05

Change in PSQI

−3.11

 < 0.001

−3.86

 < 0.001

 Change in sleep quality

−0.66

 < 0.001

−4.15

0.00

 Change in sleep latency

−0.86

 < 0.001

−0.69

 < 0.001

 Change in sleep duration

−0.23

0.11

−1.17

0.02

 Change in sleep efficiency

−0.49

0.04

−0.41

0.02

 Change in sleep disturbances

−0.11

0.21

−0.62

0.29

 Change in daytime dysfunction

−0.17

0.31

−0.52

0.14

Change in WASO (minutes)

−2.43

0.20

−0.31

0.83

Change in TST (minutes)

1.33

0.91

13.00

0.28

Change in SF-36

18.30

0.08

32.10

0.03

 Change in physical functioning

−0.14

0.97

0.17

0.70

 Change in physical limitations

2.86

0.19

7.76

0.04

 Change in emotional limitations

−0.01

0.95

8.03

0.38

 Change in energy

4.71

0.07

3.62

0.13

 Change in emotional wellbeing

2.29

0.13

1.10

0.99

 Change in social functioning

1.79

0.19

3.45

0.54

 Change in pain

1.36

0.36

4.57

0.07

 Change in general health

5.43

0.01

4.14

0.02

Change in salivary cortisol (nmol/L)

0.03

0.71

−0.40

0.95

  1. p-values are within-group, from a Wilcoxon test.