Table 1 Characteristics of the ISA-Capital 2003 and ISA-Capital 2008 respondents living in the city of São Paulo, Brazil

 Age group

%^a (n)^b

%^a (n)^b

  20–59

84.0 (795)

83.7 (1162)

  60+

16.0 (872)

16.3 (924)

 Gender

  Male

45.1 (803)

46.3 (848)

  Female

54.9 (864)

53.7 (1238)

  Ethnicity

<0.001^c

  Caucasian

67.42 (1077)

62.2 (1311)

  Non-caucasian

32.6 (542)

37.8 (770)

 Education (years of study)

0.001^c

  0–3

14.2 (450)

10.2 (413)

  4–7

25.7 (509)

19.0 (591)

  8–11

36.2 (450)

46.6 (774)

  12+

23.9 (231)

24.2 (305)

 Household income (minimum legal wage)

0.356^c

  ≤1

12.5 (262)

9.9 (241)

  >1 to 2.5

27.6 (386)

38.6 (628)

  ≥2.5 to 6

32.3 (434)

31.4 (459)

  ≥6

27.6 (251)

20.1 (211)

 Housing condition

0.199^c

  Adequate

83.1 (1410)

88.2 (1805)

  Inadequate

16.9 (257)

11.8 (281)

 Dental health service use

46.7 (611)

55.4 (1002)

0.001^c

  Dental health service use in public sector

5.8 (54)

6.8 (91)

0.516^c