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Table 1 Characteristics of the pain groups. Values are means ± SD or percent

From: Considerations beyond spine pain: do different co-occurring lower body joint pains differentially influence physical function and quality of life ratings?

 

No pain

Back alone

Back-Hip

Back-Knee

Back-Ankle/ Foot

Back-Hip- Knee

Back-Knee Ankle/Foot

Back-Hip Ankle/Foot

All

n = 1109

n = 45

n = 127

n = 78

n = 10

n = 177

n = 20

n = 33

n = 43

Age (yr)

61.6 ± 9.2

60.6 ± 9.5

61.3 ± 9.2

60.4 ± 9.8

64.1 ± 7.4

60.5 ± 8.8

60.4 ± 9.0

61.1 ± 8.8

60.1 ± 9.2

Weight (kg)

79.5 ± 16.1*

81.2 ± 17.4

78.9 ± 15.4

82.6 ± 14.5

73.0 ± 12.9

82.8 ± 16.7

89.4 ± 18.0

82.6 ± 18.0

89.5 ± 16.3

BMI (kg/m2)

27.7 ± 4.4*

28.7 ± 5.4*

29.0 ± 4.8*

28.7 ± 4.9*

27.9 ± 5.2

29.4 ± 5.6

31.3 ± 5.5

29.6 ± 4.8

32.8 ± 5.5

Women (#, %)

572 (51.5)

26 (57.8)

97 (76.4)

38 (48.7)

9 (90.0)

116 (65.5)

10 (50.0)

20 (60.6)

 34 (79.1)

Race (#, %)

 Black

202 (18.2)

9 (20.0)

22 (17.3)

10 (12.8)

5 (50.0)

27 (15.3)

4 (20.0)

3 (8.9)

11 (25.6)

 Caucasian

878 (79.2)

36 (80.0)

101 (79.5)

65 (83.3)

4 (40.0)

147 (83.0)

16 (80.0)

30 (90.1)

31 (72.1)

 Other

29 (2.6)

0 (0)

4 (3.2)

3 (3.9)

1 (10.0)

3 (1.7)

0 (0)

0 (0)

1 (2.3)

Ethnicity (#, %)€

 Hispanic

14 (1.3)

0 (0)

3 (2.4)

4 (5.1)*

1 (10.0)

1 (0.6)

0 (0)

0 (0)

1 (2.3)

 Charlson Index (pts)

2.0 ± 1.3

1.9 ± 1.3

2.0 ± 1.3

1.9 ± 1.3

2.1 ± 0.7

1.9 ± 1.1

1.9 ± 1.2

1.8 ± 1.1

2.0 ± 1.5

Back pain symptoms (#, %)

 How often bothered in last 30 days?€

  Rarely

861 (77.6)

0 (0)

0 (0)

0 (0)

0 (0)

0 (0)

0 (0)

1 (3.0)

0 (0)

  Sometimes

227 (20.4)

0 (0)

0 (0)

0 (0)

0 (0)

0 (0)

0 (0)

0 (0)

0 (0)

  Most times

21 (2.0)

25 (55.6)

84 (66.1)

47 (60.3)

8 (80.0)

107 (60.5)

13 (65.0)

18 (54.5)

25 (58.1)

  All the time

0 (0)

20 (44.4)

43 (33.9)

31 (39.7)

2 (20.0)

70 (39.5)

7 (35.0)

14 (42.4)

18 (41.9)

 How bad was the pain over last 30 days?

  Mild

322 (29.0)

0 (0)

67 (46.5)

0 (0)

0 (0)

0 (0)

0 (0)

0 (0)

0 (0)

  Moderate

112 (10.1)

38 (84.4)

62 (43.1)

107 (84.3)

9 (90.0)

128 (72.3)

17 (85.0)

26 (78.8)

29 (67.4)

  Severe

11 (1.0)

7 (15.6)

15 (10.4)

20 (15.7)

1 (10.0)

49 (27.7)

3 (15.0)

6 (18.2)

14 (32.6)

  Bilateral (%)

----

-----

31.4

64.1

80.0

37.8 (hip)

70.0 (knee)

42.4 (hip)

60.5 (hip)

      

70.6 (knee)

50.0 (ankle/foot)

54.5 (ankle/foot)

83.7 (knee)

         

100 (ankle/ foot)

Taken pain medication today? (#, %)€

 

83 (7.5)

5 (11.1)

18 (14.2)

14 (17.9)

2 (20.0)

45 (25.4)

4 (20.0)

10 (30.3)

9 (20.9)

  1. *differs from All Sites at p < .05
  2. €significant \({x}^{2}\) statistic p < .05
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BMC Musculoskeletal Disorders

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