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Table 1 Baseline characteristics of studied participants

From: Better muscle strength can decrease the risk of arthralgia and back &joint stiffness in Kurdish men; a cross-sectional study using data from RaNCD cohort study

Variables

Total

(n = 2164)

Without low back pain

(n = 1701)

With low back pain

(n = 463)

P**

Without arthralgia

(n = 1632)

With arthralgia

(n = 532)

P**

Age (year)

46.77 ± 7.89a

46.53 ± 7.86

47.63 ± 7.91

0.006

46.21 ± 7.71

48.48 ± 8.17

< 0.001

Weight (kg)

75.44 ± 13.31

75.31 ± 13.23

75.92 ± 13.61

0.326

75.38 ± 13.10

75.63 ± 13.95

0.87

BMI (kg/m2)

25.94 ± 4.07

25.96 ± 4.02

25.91 ± 4.25

0.05

25.87 ± 4.04

26.15 ± 4.16

0.432

WC (cm)

96.32 ± 9.73

96.35 ± 9.2

96.22 ± 11.46

0.505

96.06 ± 9.81

97.12 ± 9.43

0.03

Muscle strength (kg)

41.15 ± 9.27

41.23 ± 9.24

40.83 ± 9.42

0.326

41.69 ± 9.17

39.47 ± 9.4

< 0.001

PA (MET hour/day)

43.21 ± 9.65

43.27 ± 9.77

43.01 ± 9.18

0.893

43.17 ± 9.63

43.34 ± 9.71

0.472

Drinking, %

13.7

13.6

14

0.436

13

16

0.05

Diabetes, %

6.3

6.6

5.4

0.218

5.8

7.9

0.05

Back stiffness, %

5.1

2.5

14.5

< 0.001

2.6

12.8

< 0.001

Joint stiffness, %

3

2.1

6

< 0.001

0.4

10.9

< 0.001

  1. BMI Body mass index, WC Waist circumference, PA Physical activity
  2. **P-values were obtained independent samples T test and Chi square
  3. aMean ± SD