Table 7 Results of the log. Regression, dependent variable pain relief (N = 1,149)

Age

20-39

41.9%% (49)

58.1% (68)

0.005

1

40-49

51% (198)

49% (190)

1.4 (0.85-2.17)

50-59

52% (294)

48% (271)

1.5 (0.98-2.41)

≥ 60

64.5 (80)

35.5% (44)

2.2 (1.24-3.94)

Years in nursing

0-9

42% (78)

58% (108)

0.017

-

10-19

53% (218)

47% (196)

20-29

56% (211)

44% (165)

≥ 30

53% (116)

47% (103)

Qualification

Nursing

48% (305)

52% (331)

0.012

Nursing assistant

54.5% (116)

45.5% (97)

Geriatric nursing

56.8% (150)

43.2% (114)

Intensive care/OP/anaesthetics

62.2% (56)

37.8% (34)

Institution

Outpatient nursing

45% (77)

55% (94)

0.072

1

Hospital

51.2% (308)

48.8% (294)

1.3 (0.88-1.90)

Other

60.5% (26)

39.5% (17)

1.9 (0.86-4.12)

Old people’s home

55.8% (216)

44.2% (171)

1.9 (1.29-2.93)

Employment

Yes

51% (526)

49% (510)

0.028

-

No

60% (99)

40% (66)

Refresher course

Yes

47.8% (223)

53.2% (254)

0.003

1

No

55.5% (402)

44.5 (322)

1.4 (1.07-1.82)

Applicability of working techniques

Yes

49.1% (479)

50.9% (497)

< 0.001

-

No

67.6% (140)

32.4% (67)

Relief of lumbar spine with working techniques

Yes

45% (383)

55% (468)

< 0.001

1

No

70.9% (219)

29.1% (90)

3.7 (2.73-5.06)

Pain before the Back College

Intense

39.5% (120)

60.5% (184)

< 0.001

1

Moderate

47.9% (289)

52.1% (314)

1.8 (1.30-2.45)

Slight

73.6% (218)

26.4% (78)

7.2 (4.83-10.61)