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Table 1 Sociodemographic characteristics of the study population; according to NHS 2009–10 (n = 5293)

From: Quality of life in chronic musculoskeletal symptomatic Chilean population: secondary analysis of National Health Survey 2009–2010

Age (years)

46 (31–60)

Age (age groups)

 15–24

803 (15.2)

 25–44

1734 (32.8)

 45–64

1743 (32.9)

  > 65

1013 (19.1)

Sex

 Female

3143 (59.4)

 Male

2150 (40.6)

Years of Study

10 (7–12)

Educational Level

 Low (< 8 years)

1408 (26.7)

 Middle (8–12 years)

2882 (54.7)

 High (≥ 12 years)

983 (18.6)

Residence area

 Rural

784 (14.8)

 Urban

4507 (85.2)

MSS independent of its intensity

 No

3068 (58.8)

 Yes

2148 (41.2)

MSS with intensity more than 4

 No

3254 (62.4)

 Yes

1964 (37.6)

  1. Data presented in median (P25-P75) and n (%) as appropriate
  2. NHS National Health Survey; MSS Musculoskeletal symptoms