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Table 3 One year prevalence of NSP and LBP in relation to individual factors

From: Neck/shoulder pain and low back pain among school teachers in China, prevalence and risk factors

Variable

%with NSP (no. of teachers with NSP/Total number)

Pvalue

%with LBP (no. of teachers with LBP/Total number)

Pvalue

Gender

 

0.01

 

0.1

Male

42.7 (126/295)

 

41.7 (123/295)

 

Female

51.7 (309/598)

 

47.5 (284/598)

 

Age (yrs)

 

0.18

 

0.03

19-29

46.2 (184/398)

 

41.2 (164/398)

 

30-39

48.5 (165/340)

 

46.8 (159/340)

 

40-49

57.5 (73/127)

 

55.9 (71/127)

 

≥50

46.4 (13/28)

 

46.4 (13/28)

 

Seniority (yrs)

 

0.25

 

0.16

1-9

46.0 (210/457)

 

42.7 (195/457)

 

10-19

51.5 (151/293)

 

47.4 (139/293)

 

20-29

49.1 (53/108)

 

48.1 (52/108)

 

≥30

60.0 (21/35)

 

60.0 (21/35)

 

Body mass index (kg/m2)

 

0.44

 

0.08

≤23.9

49.4 (344/697)

 

44.5 (310/697)

 

24-27.9

43.5 (57/131)

 

47.3 (62/131)

 

≥28

53.5 (8/15)

 

73.3 (11/15)

 

School level

 

<0.001

 

<0.001

Primary school

48.9 (137/280)

 

46.8 (131/280)

 

Junior middle school

31.4 (83/264)

 

28.0 (74/264)

 

Senior middle school

61.6 (215/349)

 

57.9 (202/349)

 
  1. χ2 test for categorical variables. Statistically significant differences (P < 0.05) are marked in bold.