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Table 1 Demographics and clinical characteristics of the participants (n = 52)

From: Translation, transcultural adaptation into Brazilian Portuguese and concurrent validity of the rheumatoid arthritis assessment scale (RAKAS–13/Brazil)

CHARACTERISTICS

Mean

SD

n

%

AGE (years)

71.2

5.4

  

BMI (kg/m²)

28.2

5.4

  

UNDERWEIGHT

8

15.38

NORMAL WEIGHT

19

36.54

OVERWEIGHT

5

9.62

OBESITY

20

38.46

MMSE

25.3

3.8

  

HAQ

1.8

1.4

  

ESR (mm/h)

40.2

21.0

  

CRP (mm/L)

1.2

2.1

  

DAS-28

3.2

1.3

  

RACE

White

20

33.3

black

4

6.8

brow

9

15.3

EDUCATION

no schooling

42

71.2

Incomplete Elementary School (1–3 years of schooling)

3

5.1

Complete Elementary School (4 years of schooling)

0

0.0

Incomplete High School (5 to 10 years of schooling)

4

6.8

Complete High School (≥ 11 years of schooling)

0

0.0

Incomplete Higher Education (≥ 14 years of schooling)

3

5.1

Complete Higher Education (≥ 15 years of schooling)

0

0.0

Master’s or Doctorate

42

71.2

MARITAL STATUS

Single

5

8.5

Married

12

20.3

Divorced c

9

15.3

Widow

16

27.1

OCCUPATION

Employee

0

0.0

unemployed

4

6.8

retired

36

61.0

Domestic

2

3.4

self-employment/private

42

71.2

RESIDENCE

urban

51

98.08

Rural

1

1.02

MONTHLY FAMILY INCOME

≤R$ 1.212.00 1 i.e. USD 227.31

9

15.3

R$ 1.212.00 a R$ 4.848.00

i.e. USD 227.31-909.24

27

45.8

R$ 4.848.00 a R$12.120.00 i.e. USD 909.24–2.273.1

4

6.8

R$12.120.00 a R$24.240.00 i.e. USD 2.273.1-4.546.2

0

0.0

≥R$24.240.00 i.e. over USD 4.546.2

0

0.0

DOMINANT SIDE

Right

51

98.08

Left

1

1.02

DISEASE DURATION

< 10 years

4

7.69

≥ 10 years

48

92.31

  1. BMI, body mass index; Mini-Mental State Examination (MMSE); HAQ, Health Assessment Questionnaire; ESR, Erythrocyte Sedimentation Rate; CRP, C-Reactive Protein; DAS-28, Disease Activity Score; RAKAS, Rheumatoid Arthritis Knowledge Assessment Scale; PKQ, Brazil Patient Knowledge Questionnaire. N, number of participants; SD, standard deviation; Kg, kilogram; m², square meter; mm/h, millimeters per hour; mm/L, millimeters per liter; %, percentage. Note: 1 USD equals 5.32 R$ reais (Brazilian currency) at the time of this manuscript was written