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Table 2 Study population characteristics by number of pain sites (NPS)

From: Socioeconomic conditions and number of pain sites in women

  

Number of pain sites

  
 

N

0

1-2

3

4-7

%

P-value*

 

653

20.2

41.3

15.8

22.7

100

 

Age

      

P < 0.55

30-49

168

17.9

44.6

18.5

19.0

100

 

50-59

188

18.6

41.0

16.5

23.9

100

 

60-75

297

22.6

39.7

13.8

23.9

100

 

Marital status

      

P < 0.04

Single

152

21.7

32.9

15.1

30.3

100

 

Married/cohabit.

501

19.8

43.9

16.0

20.4

100

 

BMI (kg/m2)

      

P < 0.03

< 25

324

24.7

40.7

11.7

22.8

100

 

25-30

241

17.4

40.2

19.5

22.8

100

 

> 30

88

11.4

46.6

20.5

21.6

100

 

Smoking

      

P < 0.16

Yes

185

15.1

39.5

15.7

29.7

100

 

Previous

227

22.5

42.3

15.4

19.8

100

 

Never

241

22.0

41.9

16.2

19.9

100

 

Education

      

P < 0.10

< 10 yrs

200

16.5

41.0

15.5

27.0

100

 

10-12 yrs

186

18.3

38.2

16.1

27.4

100

 

13-15 yrs

140

24.3

41.4

15.7

18.6

100

 

> 15 yrs

127

24.4

46.5

15.7

13.4

100

 

Employment status

      

P < 0.01

Unemployed

326

17.8

35.9

14.7

31.6

100

 

Part-time

84

21.4

42.9

16.7

19.0

100

 

Full-time

243

23.0

48.1

16.9

11.9

100

 

Income (Euro)

      

P < 0.01

< 12.500

33

15.2

45.5

12.1

27.3

100

 

12.500-37.500

186

18.8

32.8

15.1

33.3

100

 

37.501-62.500

193

19.7

42.5

16.1

21.8

100

 

> 62.500

241

22.4

46.5

16.6

14.5

100

 

Problem paying bills

      

P < 0.01

Never

533

22.0

42.8

14.4

20.8

100

 

Sometimes/often

120

12.5

35.0

21.7

30.8

100

 

Satisfied no. friends

      

P < 0.70

Yes

536

20.1

42.4

15.5

22.0

100

 

No

117

20.5

36.8

17.1

25.6

100

 

General health

      

P < 0.001

Poor

119

7.6

18.5

21.0

52.9

100

 

Moderate

158

7.6

44.3

19.0

29.1

100

 

Good

176

18.2

48.9

19.9

13.1

100

 

Very good

200

39.5

46.0

6.5

8.0

100

 

SCI

      

P < 0.001

≤ 24

140

15.0

34.3

15.0

35.7

100

 

25-49

170

18.8

35.3

18.2

27.6

100

 

50-74

167

18.0

46.7

14.4

21.0

100

 

≥ 75

176

27.8

47.7

15.3

9.1

100

 
  1. *Chi-square test