Individual and Contextual Determinants of Periodontal Health in 12-Year-Old Schoolchildren in a Brazilian Capital City
Table 1
Frequency distribution of periodontal conditions (calculus and/or bleeding), according to independent variables. 12-year-old schoolchildren, Goiania, Brazil, 2010.
Presence of calculus and/or bleeding
Total (%)
Yes % (CI 95%)
No % (CI 95%)
Individual variables
Sex
0.121
Female
6.2 (4.3–8.9)
93.8 (91.0–95.7)
1,022 (49.1)
Male
7.7 (6.0–10.1)
92.3 (89.9–94.0)
1,053 (50.9)
Color/race
0.005*
White
4.8 (3.2–7.0)
95.2 (92.9–96.8)
787 (36.4)
Black
4.9 (2.1–10.9)
95.1 (89.0–97.9)
192 (8.8)
Brown
8.9 (6.9–11.3)
91.1 (88.6–93.1)
1,089 (54.5)
Mother’s level of schooling (years)
0.117
More than 11
5.6 (3.5–9.0)
94.4 (90.1–96.5)
427 (21.3)
8 to 11
6.3 (5.1–7.9)
93.7 (92.1–94.9)
1,080 (51.2)
Less than 8
9.3 (5.7–14.8)
90.7 (85.2–94.2)
568 (27.5)
Contextual variables
Health district (group)
0.337
I
4.7 (2.0–10.5)
95.3 (89.5–97.9)
425 (18.4)
II
6.6 (4.5–9.5)
93.4 (90.5–95.5)
745 (37.9)
III
8.3 (5.7–12.0)
91.7 (87.9–94.3)
905 (43.7)
School toothbrushing program
0.640
Yes
6.4 (4.0–10.1)
93.6 (89.8–96.0)
632 (30.5)
No
7.3 (5.2–10.2)
92.7 (89.8–94.8)
1,443 (69.50%)
Type of school
0.039*
Private
4.6 (2.9–7.2)
95.4 (92.8–97.1)
604 (28.8)
Public
8.0 (5.9–10.7)
92.0 (89.3–94.0)
1471 (71.2)
Total
7.0 (5.3–9.2)
93.0 (90.7–94.6)
*Rao-Scott test. . 95% CI: Confidence Interval at 95%.
