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Table 1 Means (and Standard deviations) for the psychological variables before and after the treatment period

From: Beneficial effects of treatment with sensory isolation in flotation-tank as a preventive health-care intervention – a randomized controlled pilot trial

Variable

Before

After

Difference

SE Stress control

1.84 (1.15)

1.89 (1.04)

+ 0.05 n.s

SE Stress floating

1.86 (1.07)

0.95 (0.84

- 0.91 **

SE Energy control

3.44 (0.70)

2.63 (0.96)

- 0.81 n.s

SE Energy floating

3.14 (0.66)

2.46 (1.02)

- 0.74 n.s

HADS Anxiety control

7.03 (3.46)

6.96 (3.52)

- 0.07 n.s

HADS Anxiety floating

7.92 (4.61)

4.28 (3.61)

- 3.64 **

HADS Depression control

4.00 (3.41)

4.30 (2.58)

+ 0.30 n.s

HADS Depression floating

4.42 (3.47)

2.25 (2.53)

- 2.17 **

LOT optimism control

20.96 (5.05)

20.93 (5.76)

- 0.03 n.s

LOT optimism floating

19.81 (5.29)

23.28 (4.26)

+ 3.47 **

SQ Sleep Quality control

25.22 (9.98)

25.33 (8.87)

+ 0.11 n.s

SQ Sleep Quality floating

23.72 (7.55)

29.69 (8.44)

+ 5.97 **

  1. ** = significant effect, p < 0.001; n.s = non significant effect.