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Table 1 Baseline characteristics of studied participants, (N = 9,520)

From: Epidemiology of musculoskeletal disorders among iranian adults: results from a non-communicable disease cohort study

Characteristics

Total

(n = 9,520)

Men

(n = 4,538)

Women

(n = 4,982)

P value

Mean ± SD or frequency (%)

Age (years)

47.27 ± 8.25

46.92 ± 8.05

47.58 ± 8.41

0.001

Residency, n (%)

    

Urban

5701 (59.88)

2811 (61.94)

2890 (58.01)

< 0.001

Rural

3819 (40.12)

1727 (38.06)

2092 (41.99)

Lifestyle

    

Current smoker, n (%)

1090 (11.50)

997 (22.07)

93 (1.88)

< 0.001

Alcohol use, n (%)

463 (4.86)

461 (10.16)

2 (0.04)

< 0.001

Sleep duration ( per 24 h)

7.10 ± 1.22

7.01 ± 1.19

7.18 ± 1.24

< 0.001

Physical activity (Met h/day)

    

Low

2869 (30.14)

1576 (34.73)

1293 (25.95)

< 0.001

Moderate

4522 (47.50)

1380 (30.41)

3142 (63.07)

High

2129 (22.36)

1582 (34.86)

547 (10.98)

Comorbidities, n (%)

    

Hypertension

1487 (15.62)

663 (14.61)

824 (16.54)

0.009

Diabetes

816 (8.57)

363 (8.00)

453 (9.10)

0.057

Dyslipidemia

4215 (44.28)

2413 (53.17)

1802 (36.17)

< 0.001

Cardiovascular diseases

1598 (16.79)

554 (12.21)

1044 (20.96)

< 0.001

Depression

292 (3.07)

90 (1.98)

202 (4.05)

< 0.001

Body mass index (kg/m2)

    

 Normal (18-24.9 kg/m2)

2860 (30.04)

1685 (37.13)

1175 (23.58)

< 0.001

 Overweight (25-29.9 kg/m2)

41.33 (43.41)

2099 (46.35)

2034 (40.83)

 Obesity (≥ 30 kg/m2)

2527 (26.54)

754 (16.62)

1773 (35.59)

Musculoskeletal disorders

    

 Back pain

2211 (23.23)

962 (21.20)

1249 (25.07)

< 0.001

 Back stiffness

745 (7.83)

231 (5.09)

514 (10.32)

< 0.001

 Joint pain

3560 (37.40)

1334 (29.40)

2226 (44.68)

< 0.001

 Joint stiffness

472 (4.96)

124 (2.73)

348 (6.99)

< 0.001

 Rheumatoid arthritis

246 (2.58)

51 (1.12)

195 (3.91)

< 0.001

 Osteoporosis

242 (2.54)

31 (0.68)

211 (4.24)

< 0.001

  1. Data are shown mean ± SD for continuous variables and n (%) categorical variables
  2. *P- value was obtained t-test and Chi square test