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Table 3 The SF-12v2 summary scores for the general population by gender, age, education, and chronic disease condition

From: The 12-item medical outcomes study short form health survey version 2.0 (SF-12v2): a population-based validation study from Tehran, Iran

 

Physical component summary

Mental component summary

 

Mean (SD)

Mean (SD)

Age groups

  

18-24 (n = 832)

48.0 (6.7)

47.7 (13.5)

25-34 (n = 369)

47.5 (8.6)

46.1 (11.5)

35-44 (n = 654)

45.0 (9.4)

45.4 (12.0)

45-54 (n = 912)

45.0 (10.1)

44.1 (12.2)

55-64 (n = 786)

42.3 (11.6)

44.0 (12.0)

≥ 65 (n = 132)

35.5 (12.0)

43.4 (11.4)

P value**

< 0.001

0.03

Gender

  

Male (n = 1887)

45.0 (10.0)

46.0 (11.7)

Female (n = 1798)

39.4 (12.0)

43.2 (12.0)

P value*

< 0.001

< 0.001

Educational status

  

Primary (n = 895)

38.7 (12.0)

43.6 (11.6)

Secondary (n = 1882)

44.3 (10.1)

44.7 (12.2)

Higher (n = 908)

46.5 (10.2)

46.7 (11.5)

P value**

< 0.001

< 0.001

Chronic disease

  

No (n = 3259)

43.4 (10.8)

45.9 (11.1)

Yes (n = 416)

33.4 (11.8)

34.3 (12.4)

P value*

< 0.001

< 0.001

Chronic disease (older age groups only, n = 918)

  

No (n = 770)

37.0 (11.8)

45.5 (10.7)

Yes (148)

28.7 (10.0)

38.2 (12.5)

P value*

< 0.001

< 0.001

  1. * Derived from t-test
  2. ** Derived from one-way analysis of variance (ANOVA)