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Table 1 Risk factors at baseline for disabling wrist/hand pain in past month at follow-up

From: Determinants of international variation in the prevalence of disabling wrist and hand pain

Risk factor

Number of subjects

Number with disabling WHP

Association with disabling wrist/hand pain

PRR

(95%CI)a

PAF(%)b

Sex

 Male

3099

225

1

  

 Female

5983

1148

1.7

(1.5,2.1)

35.8

Age (years)

 20–29

2094

252

1

  

 30–39

2920

369

0.9

(0.8,1.1)

 

 40–49

2607

459

1.2

(1.0,1.4)

 

 50–59

1461

293

1.3

(1.0,1.7)

5.3

Smoking status

 Never smoked

5865

913

1

  

 Ex-smoker

1290

207

1.2

(1.0,1.3)

2.0

 Current smoker

1903

251

1.1

(1.0,1.3)

 

 Missing

24

2

   

Use of keyboard or other repeated movements of wrist/hand for > 4 h

6742

1159

1.3

(1.1,1.6)

21.3

Psychosocial aspects of work

 Work for > 50 h per week

2052

178

1.0

(0.8,1.1)

 

 Time pressure at work

6776

1074

1.1

(1.0,1.2)

8.1

 Incentives at work

2509

380

1.1

(1.0,1.2)

 

 Lack of support at work

2340

444

1.0

(0.9,1.2)

 

 Job dissatisfaction

1766

233

1.0

(0.9,1.2)

 

 Lack of job control

1827

289

1.0

(0.9,1.2)

 

 Job securityc

6407

993

1.1

(1.0,1.2)

6.3

Number of distressing somatic symptoms in past week

 0

5444

562

1

  

 1

1978

360

1.2

(1.1,1.4)

5.1

 2+

1610

441

1.4

(1.2,1.6)

9.4

 Missing

50

10

   

Mental health

 Good

3612

477

1

  

 Intermediate

2739

407

1.1

(1.0,1.2)

 

 Poor

2697

486

1.2

(1.0,1.3)

4.9

 Missing

34

3

   

Adverse health beliefs about arm pain

 Work-relatedness

2746

547

1.1

(1.0,1.2)

 

 Physical activity

1110

174

1.0

(0.9,1.1)

 

 Prognosis

929

204

1.2

(1.1,1.4)

2.8

Individual pain propensity index

 0

2028

115

1

  

 1

2014

193

1.4

(1.1,1.8)

4.3

 2

1870

262

1.8

(1.5,2.2)

8.7

 3

1307

242

2.2

(1.8,2.7)

9.6

 4

938

210

2.4

(2.0,2.9)

8.9

 5

499

171

3.2

(2.5,4.0)

8.5

 6+

426

180

3.6

(2.9,4.4)

9.4

Heard of “RSI” or equivalent

5084

789

1.0

(0.9,1.1)

 
  1. aPrevalence rate ratio with 95% confidence interval
  2. bPopulation attributable fraction per cent (presented only for associations that were statistically significant (p < 0.05)
  3. cNote that because risk was higher in participants who reported their employment as being more secure, insecure employment was taken as the reference for the risk estimate