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Table 2 General characteristics of workers’ return-to-work rate by certification

From: Effect of professional certification on employees’ return-to-work rate after occupational injuries in Korea: focusing on vulnerable groups

 

Yes

No

Total

P value *

N

%

N

%

Total

555

93.0

748

86.9

1303

< 0.0001

Age

     

< 0.0001

 < 30

35

83.3

38

95.0

73

 

 30–39

113

94.2

85

96.6

198

 

 40–49

184

96.8

163

94.2

347

 

 50–59

173

92.0

297

88.4

470

 

 ≥ 60

50

87.7

165

73.7

215

 

Sex

     

< 0.0001

 Male

501

93.1

592

89.0

1093

 

 Female

54

91.5

156

79.6

210

 

Marital status

     

< 0.0001

 Not married

96

88.9

89

82.8

185

 

 Married

414

95.0

532

90.7

946

 

 Other

45

84.9

127

95.1

172

 

Education level

     

< 0.0001

 Less than high school

122

89.1

379

82.8

501

 

 High school

299

94.6

291

90.7

590

 

 College or above

134

93.1

78

95.1

212

 

Industry

     

0.0101

 Manufacturing

212

95.1

298

89.8

510

 

 Construction

139

91.5

194

82.9

333

 

 Service

91

94.8

77

86.5

168

 

 Other

113

89.7

179

86.9

292

 

Status of workers

     

0.0019

 Regular worker

351

95.1

409

92.3

760

 

 Daily worker

204

89.5

339

81.1

543

 

Occupational injury type

     

0.2083

 Injury

501

93.3

690

86.6

1191

 

 Disease

54

90.0

58

90.6

112

 

Number of employees

     

0.0043

 < 5

106

93.0

184

83.3

290

 

 5–9

118

93.7

193

88.5

311

 

 10–29

169

93.4

185

86.9

354

 

 ≥ 30

162

92.1

186

89.0

348

 

Duration of employment

     

0.0038

 < 1 year

324

92.1

488

84.4

812

 

 1–less than 3 years

70

89.7

103

92.0

173

 

 ≥ 3 years

161

96.4

157

91.8

318

 

Disability rating

     

0.0662

 1–7

10

52.6

30

71.4

40

 

 8–14

445

94.5

579

86.8

1024

 

 None

100

93.5

139

91.5

239

 
  1. *Analyses using a chi-square test