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Table 1 Univariate and Kaplan-Meier Estimates of the Cumulative Proportions of RTW by participant characteristics

From: Bio-psychosocial determinants of time lost from work following non life threatening acute orthopaedic trauma

   

Proportion with First RTW by

Univariate analysis

  

N

3 months

4.5 months

6 months

P

Relative Rate Ratio

95% C.I

Gender

Male

126

0.42

0.56

0.66

0.130

1.38

(0.90-2.10)

 

Female

42

0.56

0.70

0.78

   

Age

18-34 yrs

70

0.42

0.56

0.67

   
 

35-44 yrs

44

0.53

0.61

0.66

0.645

1.12

(0.69-1.81)

 

45-64 yrs

54

0.44

0.63

0.65

0.948

0.98

(0.62-1.55)

Education*

Less than University

136

0.43

0.56

0.63

0.374

1.23

(0.77-1.96)

 

University

32

0.58

0.74

0.77

   

Shouldn't work with current pain level*

Disagree

52

0.61

0.75

0.79

0.001

0.48

(0.32-0.72)

 

Agree

103

0.34

0.50

0.59

   

Self employed worker *

No

145

0.43

0.56

0.63

0.005

2.14

(1.24-3.64)

 

Yes

23

0.83

0.90

0.90

   

Initial pain intensity*

Low

104

0.52

0.68

0.72

0.021

0.61

(0.41-0.93)

 

High

64

0.36

0.47

0.58

   

Psychological distress

No

94

0.50

0.60

0.66

0.719

0.93

(0.62-1.37)

 

Yes

67

0.40

0.57

0.68

   

Receipt of Compensation*

No

72

0.58

0.74

0.79

0.002

0.53

(0.36-0.79)

 

Yes

91

0.37

0.41

0.57

   

Co-morbid health conditions*

No

112

0.51

0.67

0.71

0.036

0.62

(0.40-0.96)

 

Yes

56

0.36

0.47

0.57

   

Injury severity score*

1-8

88

0.54

0.70

0.78

0.001

0.51

(0.34-0.76)

 

>9

80

0.36

0.48

0.53

   

Orthopaedic injury: > than 1 region*

No

137

0.52

0.65

0.71

0.007

0.45

(0.25-0.80)

 

Yes

31

0.20

0.38

0.45

   

Recovery beliefs*

High

124

0.51

0.63

0.69

0.118

1.47

(0.90-2.41)

 

Low

37

0.33

0.48

0.56

   

Blue Collar Worker*

No

81

0.54

0.67

0.76

0.020

0.62

(0.42-0.93)

 

Yes

87

0.37

0.51

0.56

   

Initial surgery required*

No

49

0.54

0.72

0.79

0.012

0.59

(0.39-0.89)

 

Yes

118

0.42

0.54

0.60

   

Pain prior to injury

No

128

0.45

0.58

0.64

0.479

1.17

(0.75-1.85)

 

Yes

34

0.57

0.64

0.73

   

Social functioning*

High

44

0.66

0.74

0.79

0.001

2.02

(1.33-3.07)

 

Low

115

0.38

0.54

0.61

   
  1. *Significant p < 0.15 (Log Rank Test/Breslow test) The data in the table do not refer to either the Log Rank or Breslow test.