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Table 2 WMSDs characteristics in special education teachers and teacher’s aides (N = 388)

From: Work-related musculoskeletal disorders and ergonomic risk factors in special education teachers and teacher’s aides

Variables

N (%)

Lower back

Shoulder

Wrist

Total count

Regional WMSDs occurrence (regional occurrence/388)

267 (68.8 %)

246 (63.4 %)

220 (56.7 %)

 

Severity (pain)

 No pain

121 (31.2 %)

142 (36.6 %)

168 (43.3 %)

 

 Mild pain

88 (22.7 %)

100 (25.8 %)

118 (30.4 %)

 

 Moderate pain

119 (30.7 %)

113 (29.1 %)

65 (16.8 %)

 

 Severe pain

57 (14.7 %)

29 (7.5 %)

37 (9.5 %)

 

 Unbearable pain

3 (0.8 %)

4 (1.0 %)

0 (0 %)

 

Duration since onset

 1 m to 3 m

69 (17.8 %)

53 (13.7 %)

85 (21.9 %)

 

 3 m to 5 m

35 (9.0 %)

24 (6.2 %)

33 (8.5 %)

 

 0.5 y to 1 y

45 (11.6 %)

30 (7.7 %)

46 (11.9 %)

 

 >1 year

72 (18.6 %)

76 (19.6 %)

79 (20.4 %)

 

 No symptoms

137 (35.3 %)

139 (35.8 %)

117 (30.2 %)

 

 Missing Data

30 (7.7 %)

66 (17.0 %)

28 (7.2 %)

 

Duration of symptoms

 >1 month

61 (15.7 %)

53 (13.7 %)

53 (13.7 %)

 

 >3 months

27 (7.0 %)

24 (6.2 %)

18 (4.6 %)

 

 >6 months

18 (4.6 %)

30 (7.7 %)

23 (5.9 %)

 

 >1 year

95 (24.5 %)

76 (19.6 %)

64 (16.5 %)

 

 No symptoms

119 (30.7 %)

139 (35.8 %)

165 (42.5 %)

 

 Missing data

68 (17.5)

66 (17.0 %)

65 (16.8 %)

 

Frequency of occurrence

 Almost everyday

112 (28.9 %)

98 (25.3 %)

84 (21.6 %)

 

 About once a week

55 (14.2 %)

52 (13.4 %)

43 (11.1 %)

 

 About twice a week

29 (7.5 %)

28 (7.2 %)

24 (6.2 %)

 

 About once a month

27 (7.0 %)

23 (5.9 %)

24 (6.2 %)

 

 No symptoms

122 (31.4 %)

138 (35.6 %)

167 (43.0 %)

 

 Missing data

42 (10.8 %)

49 (12.6 %)

46 (11.9 %)

 

Causing sick leaves -Yes

   

60 (17.4 %)

 -No

   

285 (82.6 %)

Considering job change-Yes

   

113 (33.4 %)

 -No

   

225 (66.6 %)

Affecting work performance

 Not affecting

   

78 (20.1 %)

 Mildly affecting

   

177 (45.6 %)

 Moderately affecting

   

110 (28.4 %)

 Severely affecting

   

19 (4.9 %)

 Unable to work

   

4 (1.0 %)

Participating related continue education courses-Yes

   

216 (60.3 %)

 -No

   

142 (39.7 %)