Table 3.

Descriptive data of results and multiple comparisons of fear and difficulty perceived to the exercise videos

Fear and difficulty	CLBP	CG	Mean difference (95% CI)	Effect size (d)
Fear perceived to videos
Exercise 1	2.43±5.81	1.37±6.39	1.07 (−2.09–4.22)	0.17
Exercise 2	20.43±26.41	10.03±20.92	10.40 (−1.91–22.71)	0.43
Exercise 3	11.03±13.53	0.57±1.94	10.47 (5.47–15.46)**	1.08
Exercise 4	7.23±8.41	5.50±14.11	1.73 (−4.27–7.74)	0.15
Exercise 5	14.50±20.69	6.17±18.99	8.33 (−1.93–18.6)	0.42
Exercise 6	23.17±27.66	9.20±16.60	13.97 (2.18–25.76)*	0.61
Exercise 7	11.37±20.78	2.13±5.36	9.23 (1.39–17.08)*	0.61
Difficult perceived to videos
Exercise 1	3.83±8.87	1.89±6.09	1.94 (−2.09–5.97)	0.25
Exercise 2	30.70±21.82	13.86±19.89	16.84 (5.84–27.85)**	0.81
Exercise 3	12.70±12.75	3.79±6.53	8.91 (3.53–14.30)**	0.88
Exercise 4	12.03±17.56	6.71±14.18	5.32 (−3.11–13.75)	0.33
Exercise 5	18.83±21.08	10.50±18.53	8.33 (−2.14–18.80)	0.41
Exercise 6	30.73±23.43	19.54±26.14	11.20 (−1.84–24.24)	0.45
Exercise 7	17.17±22.16	3.64±7.62	13.52 (4.68–22.37)**	0.82

Values are presented as mean±standard deviation.

CLBP, chronic low back pain; CG, control group; CI, confidence interval.

^*P<0.05.

^**P<0.01.