Sociodemographic factors
|
Age
|
Mean (SD)
|
43.67 (6.51)
|
40.06 (10.37)
|
40.25 (10.19)
|
0.5927
|
41.88(9.02)
|
39.78(8.48)
|
40.56(8.68)
|
0.3452
|
Sex
|
Female
|
3 (100.0 %)
|
45 (86.54 %)
|
48 (87.27 %)
|
1.0000
|
7 (29.17 %)
|
9 (22.50 %)
|
16 (25.00 %)
|
0.5510
|
|
Male
|
0 (0.00 %)
|
7 (13.46 %)
|
7 (12.73 %)
| |
17 (70.83 %)
|
31 (77.50 %)
|
48 (75.00 %)
| |
Conjugal relationship
|
Yes
|
1 (33.33 %)
|
23 (46.00 %)
|
24 (45.28 %)
|
1.0000
|
10 (43.48 %)
|
17 (42.50 %)
|
27 (42.86 %)
|
0.9398
|
No
|
2 (66.67 %)
|
27 (54.00 %)
|
29 (54.72 %)
| |
13 (56.52 %)
|
23 (57.50 %)
|
36 (57.14 %)
| |
Pain level
|
Duration of pain (months)
|
Min-Max
|
[12.00,’72.00]
|
[2.00,384.00]
|
[2.00,384.00]
|
0.5547
|
[5.00,336.00]
|
[5.00,324.00]
|
[5.00,336.00]
|
0.2882
|
Mean (SD)
|
35.33 (32.15)
|
83.38(90.69)
|
80.76(89.04)
| |
107.50(89.31)
|
87.25(87.69)
|
94.84(88.15)
| |
|
Median
|
22.00
|
36.00
|
36.00
| |
102.00
|
60.00
|
66.00
| |
VAS Visual Analogue Scale TO
|
Min-Max
|
[2.00,3.00]
|
[0.00,9.00]
|
[0.00,9.00]
|
0.7343
|
[0.50,8.00]
|
[0.00,8.00]
|
[0.00,8.00]
|
0.9824
|
Mean (SD)
|
2.50 (0.71)
|
3.14 (2.26)
|
3.11 (2.22)
| |
4.51 (2.32)
|
4.48 (1.99)
|
4.49 (2.09)
| |
|
Median value
|
2.50
|
3.00
|
3.00
| |
4.55
|
5.00
|
5.00
| |
Repetitive Lumbago history
|
Yes
|
3 (100.0 %)
|
30 (57.69 %)
|
33 (60.00 %)
|
0.2667
|
15 (62.50 %)
|
23 (57.50 %)
|
38 (59.38 %)
|
0.6934
|
No
|
0 (0.00 %)
|
22 (42.31 %)
|
22 (40.00 %)
| |
9 (37.50 %)
|
17 (42.50 %)
|
26 (40.63 %)
| |
Recurrent Lumbosciatica
|
Yes
|
2 (66.67 %)
|
27 (51.92 %)
|
29 (52.73 %)
|
1.0000
|
11 (45.83 %)
|
15 (37.50 %)
|
26 (40.63 %)
|
0.5111
|
|
No
|
1 (33.33 %)
|
25 (48.08 %)
|
26 (47.27 %)
| |
13 (54.17 %)
|
25 (62.50 %)
|
38 (59.38 %)
| |
Comorbidity (0 = none; 1 = cardiovascular,
|
0
|
1 (33.33 %)
|
33 (66.00 %)
|
34 (64.15 %)
|
0.3853
|
8 (34.78 %)
|
19 (48.72 %)
|
27 (43.55 %)
|
0.5871
|
1
|
2 (66.67 %)
|
13 (26.00 %)
|
15 (28.30 %)
| |
9 (39.13 %)
|
13 (33.33 %)
|
22 (35.48 %)
| |
others…;2 = psychiatric)
|
2
|
0 (0.00 %)
|
4 (8.00 %)
|
4 (7.55 %)
| |
6 (26.09 %)
|
7 (17.95 %)
|
13 (20.97 %)
| |
Tobacco (packs.years)
|
Min-Max Mean (SD)
|
[0.00,0.00]
|
[0.00,15.00]
|
[0.00,15.00]
|
0.5277
|
[0.00,45.00]
|
[0.00,30.00]
|
[0.00,45.00]
|
0.7779
|
0.00 (0)
|
1.64
|
1.57
| |
6.53
|
5.03
|
5.57
| |
Clinical examination data
|
Weight (Kg)
|
Min-Max Mean (SD)
|
[62.00,70.00]
|
[42.00,90.00]
|
[42.00,90.00]
|
0.5799
|
[43.00,118.00]
|
[43.00,117.00]
|
[43.00,118.00]
|
0.7507
|
|
66.17 (4.01)
|
64.55
|
64.64
| |
73.15
|
73.90
|
73.62
| |
Height (cm)
|
Min-Max Mean (SD)
|
[160.00,160.00]
|
[150.00,187.00]
|
[150.00,187.00]
|
0.1520
|
[153.00,190.00]
|
[150.00,190.00]
|
[150.00,190.00]
|
0.4942
|
|
160.00 (0)
|
166.58 (7.60)
|
166.33 (7.56)
| |
171.46 (9.25)
|
172.85 (9.90)
|
172.32 (9.61)
| |
BMI
|
Mean
|
25.78 (2.21)
|
23.25 (4.40)
|
23.35 (4.35)
|
0.2491
|
24.89 (6.07)
|
24.53 (3.87)
|
24.67 (4.78)
|
0.7247
|
Fingertip-floor distance (cm)
|
Min-Max
|
[10.00,37.00]
|
[−5.00,90.00]
|
[−5.00,90.00]
|
0.6308
|
[0.00,57.00]
|
[0.00,45.00]
|
[0.00,57.00]
|
0.0289
|
Mean (SD)
|
19.67 (15.04)
|
16.47 (15.96)
|
16.65 (15.79)
| |
27.57 (15.79)
|
17.76 (11.76)
|
21.34 (14.07)
| |
|
Median
|
12.00
|
16.50
|
16.00
| |
25.00
|
19.00
|
22.00
| |
|
value
| | | | | | | | |
Schober index (cm)
|
Min-Max
|
[2.00,4.00]
|
[1.00,7.00]
|
[1.00,7.00]
| |
[0.00,5.00]
|
[1.50,5.00]
|
[0.00,5.00]
|
0.5258
|
Mean (SD)
|
3.00 (1.00)
|
3.23 (1.16)
|
3.22 (1.14)
| |
2.93 (1.11)
|
3.22 (0.94)
|
3.10 (1.01)
| |
|
Median value
|
3.00
|
3.00
|
3.00
| |
3.00
|
3.00
|
3.00
| |
Socio-occupational factors
|
Absenteeism
|
Min-Max
|
[0.00,365.00]
|
[0.00,570.00]
|
[0.00,570.00]
|
0.7976
|
[0.00,720.00]
|
[0.00,540.00]
|
[0.00,720.00]
|
0.1189
|
Before inclusion (days)
|
Mean (SD)
|
142 (196)
|
91 (120)
|
94 (123)
| |
204 (178)
|
134 (142)
|
161 (158)
| |
|
Median value
|
60.00
|
47.00
|
53.50
| |
140.00
|
83.50
|
110.00
| |
Job Satisfaction
|
Yes
|
1 (50.00 %)
|
36 (78.26 %)
|
37 (77.08 %)
|
0.4096
|
11 (61.11 %)
|
30 (83.33 %)
|
41 (75.93 %)
|
0.0961
|
|
NO
|
1 (50.00 %)
|
10 (21.74 %)
|
11 (22.92 %)
| |
7 (38.89 %)
|
6 (16.67 %)
|
13 (24.07 %)
| |
Psychosocial factors and impact of pain
|
FABQ activity
|
Min-Max
|
[14.00,’24.00]
|
[0.00,42.00]
|
[0.00,42.00]
|
0.2288
|
[3.00,24.00]
|
[0.00,24.00]
|
[0.00,24.00]
|
0.3785
|
|
Mean (SD)
|
18.67 5.03)
|
14.34 (8.56)
|
14.68 (8.37)
| |
16.17 (6.37)
|
14.83 (6.22)
|
15.22 (6.21)
| |
|
Median value
|
18.00
|
13.00
|
13.50
| |
18.00
|
15.00
|
16.00
| |
FABQ work
|
Min-Max
|
[30.00,40.00]
|
[0.00,42.00]
|
[0.00,42.00]
|
0.1124
|
[14.00,42.00]
|
[2.00,42.00]
|
[2.00,42.00]
|
0.8801
|
|
Mean (SD)
|
34.33 (5.13)
|
23.31 (12.36)
|
24.18 (12.28)
| |
29.45 (10.28)
|
29.17 (11.98)
|
29.25 (11.41)
| |
|
Median value
|
33.00
|
23.00
|
25.50
| |
32.00
|
33.00
|
33.00
| |
QUEBEC scale
|
Min-Max
|
[34.00,71.00]
|
[5.00,72.00]
|
[5.00,72.00]
|
0.2717
|
[16.00,80.00]
|
[3.00,65.00]
|
[3.00,80.00]
|
0.0855
|
|
Mean (SD)
|
46.67 (21.08)
|
32.58 (21.35)
|
33.75 (21.40)
| |
46.7 (17.12)
|
35.28 (17.16)
|
38.63(17.74)
| |
|
Median value
|
35.00
|
28.00
|
33.50
| |
48.50
|
33.00
|
38.00
| |
HAD scale anxiety
|
Min-Max
|
[4.00,15.00]
|
[1.00,19.00]
|
[1.00,19.00]
|
0.2726
|
[3.00,18.00]
|
[3.00,17.00]
|
[3.00,18.00]
|
0.7932
|
Mean (SD)
|
11.00 (6.08)
|
7.86 (4.31)
|
8.11 (4.45)
| |
10.08 (4.48)
|
10.25 (4.05)
|
10.20 (4.13)
| |
|
Median value
|
14.00
|
8.00
|
8.00
| |
10.00
|
10.00
|
10.00
| |
HAD scale Depression
|
Min-Max
|
[5.00,10.00]
|
[0.00,14.00]
|
[0.00,14.00]
|
0.2182
|
[1.00,13.00]
|
[1.00,18.00]
|
[1.00,18.00]
|
0.6710
|
Mean (SD)
|
8.00(2.65)
|
5.54(4.00)
|
5.74 (3.94)
| |
7.62 (4.41)
|
7.19 (4.08)
|
7.31 (4.13)
| |
|
Median value
|
9.00
|
4.00
|
5.00
| |
9.00
|
7.00
|
7.00
| |
DALLAS Anxiety/ Depression
|
Min-Max
|
[50.00,80.00]
|
[0.00,85.00]
|
[0.00,85.00]
|
0.0785
|
[0.00,100.00]
|
[0.00,90.00]
|
[0.00,100.00]
|
0.1862
|
Mean (SD)
|
60.00 (17.32)
|
31.28 (26.18)
|
33.44 (26.59)
| |
56.54 (30.03)
|
45.00 (27.11)
|
48.33 (28.14)
| |
|
Median value
|
50.00
|
25.00
|
30.00
| |
65.00
|
48.75
|
55.00
| |
DALLAS Work and leisure
|
Min-Max
|
[35.00,85.00]
|
[2.50,90.00]
|
[2.50,90.00]
|
0.6099
|
[40.00,95.00]
|
[5.00,90.00]
|
[5.00,95.00]
|
0.1294
|
Mean (SD)
|
61.67 (25.17)
|
51.88 (26.72)
|
52.61 (26.43)
| |
69.62 (18.22)
|
57.98 (21.82)
|
61.34 (21.32)
| |
|
Median value
|
65.00
|
57.50
|
60.00
| |
70.00
|
60.00
|
65.00
| |
DALLAS
|
Min-Max
|
[42.00,90.00]
|
[0.00,81.00]
|
[0.00,90.00]
|
0.3219
|
[45.00,87.00]
|
[24.00,93.00]
|
[24.00,93.00]
|
0.3713
|
Daily activities
|
Mean (SD)
|
66.00 (24.00)
|
49.86 (21.61)
|
51.08 (21.89)
| |
66.58 (13.58)
|
61.64 (18.38)
|
63.07 (17.13)
| |
|
Median value
|
66.00
|
54.00
|
55.50
| |
69.00
|
64.50
|
66.00
| |
DALLAS
|
Min-Max
|
[35.00,45.00]
|
[0.00,75.00]
|
[0.00,75.00]
|
0.1345
|
[10.00,85.00]
|
[0.00,90.00]
|
[0.00,90.00]
|
0.5172
|
Sociability
|
Mean (SD)
|
40.00 (5.00)
|
22.70 (20.80)
|
24.00 (20.54)
| |
45.96 (30.37)
|
36.64 (24.86)
|
39.33 (26.56)
| |
|
Median value
|
40.00
|
20.00
|
20.00
| |
50.00
|
35.00
|
35.00
| |
Intervention factors
|
Ergonomic and OP intervention
|
Yes
|
0 (0.00 %)
|
24 (47.06 %)
|
24 (45.28 %)
|
0.4949
|
12 (54.55 %)
|
26 (70.27 %)
|
38 (64.41 %)
|
0.2225
|
No
|
2 (100.0 %)
|
27 (52.94 %)
|
29 (54.72 %)
| |
10 (45.45 %)
|
11 (29.73 %)
|
21 (35.59 %)
| |
Physiotherapy 0 = none 1 = classic
|
0
|
1 (33.33 %)
|
1 (2.04 %)
|
2 (3.85 %)
|
0.0177
|
2 (8.70 %)
|
2 (5.56 %)
|
4 (6.78 %)
|
0.7026
|
1
|
2 (66.67 %)
|
17 (34.69 %)
|
19 (36.54 %)
| |
13 (56.52 %)
|
18 (50.00 %)
|
31 (52.54 %)
| |
2 = trained physiotherapist
|
2
|
0 (0.00 %)
|
31 (63.27 %)
|
31 (59.62 %)
| |
8 (34.78 %)
|
16 (44.44 %)
|
24 (40.68 %)
| |
Physiotherapy
|
Yes
|
1 (33.33 %)
|
1 (2.00 %)
|
2 (3.77 %)
|
0.1110
|
2 (8.33 %)
|
2 (5.41 %)
|
4 (6.56 %)
|
0.6427
|
|
No
|
2 (66.67 %)
|
49 (98.00 %)
|
51 (96.23 %)
| |
22 (91.67 %)
|
35 (94.59 %)
|
57 (93.44 %)
| |
|
Min-Max
|
[0.00,’20.00]
|
[0.00,100.00]
|
[0.00,100.00]
|
0.5231
|
[0.00,300.00]
|
[0.00,60.00]
|
[0.00,300.00]
|
0.2150
|
Physiotherapy (number of training sessions)
|
Mean (SD)
|
13.33 (11.55)
|
20.70 (13.53)
|
20.28 (13.44)
| |
41.13 (62.31)
|
20.32 (12.30)
|
28.51 (41.04)
| |