TABLE 1

Sample Description According to Independent Variables and Outcomes

VariablesSample
n (%)Mean dmfs95% CICrude Rate Ratioa95% CIS-ECC95% CICrude Risk Ratiob95% CI
Maternal age, y (n = 1121)
 <20214 (18.9)5.14.1 to 6.01.032.926.5 to 39.21.0
 20–29544 (48.2)4.13.5 to 4.80.80.6 to 1.123.419.8 to 26.90.60.4 to 0.9
 30–39340 (30.1)3.22.5 to 3.90.60.4 to 0.918.614.4 to 22.70.50.3 to 0.7
 ≥4030 (2.7)5.32.1 to 8.41.00.5 to 2.330.012.6 to 47.40.90.4 to 2.0
Family income quintiles (Brazilian real)c (n = 1129)
 5 (highest)225 (19.9)2.21.6 to 2.91.015.210.4 to 19.91.0
 4187 (16.6)3.12.2 to 4.01.370.9 to 2.019.914.1 to 25.71.40.8 to 2.3
 3265 (23.5)4.03.2 to 4.81.81.2 to 2.623.918.8 to 29.11.81.1 to 2.8
 2190 (16.8)4.33.4 to 5.31.91.3 to 2.927.020.6 to 33.42.11.3 to 3.3
 1 (lowest)262 (23.2)6.14.9 to 7.32.71.9 to 3.931.921.2 to 37.62.61.7 to 4.1
Maternal level of education, y (n = 1106)
 ≥12123 (11.2)1.80.9 to 2.81.010.55.0 to 16.11.0
 9–11394 (35.7)3.22.6 to 3.81.71.1 to 2.620.716.7 to 24.72.21.2 to 4.1
 5–8445 (40.2)4.64.0 to 5.32.51.6 to 3.828.123.9 to 32.33.31.8 to 6.1
 ≤4144 (13.0)6.95.1 to 8.63.72.2 to 6.132.624.9 to 40.44.12.1 to 8.0
Breastfeeding (n = 1128)
 0–12741 (65.7)3.42.9 to 3.91.019.816.9 to 22.71.0
 13–23129 (11.4)3.12.2 to 4.00.90.6 to 1.320.113.1 to 27.21.00.6 to 1.6
 ≥24258 (22.9)6.45.3 to 7.51.91.4 to 2.537.531.5 to 43.52.41.8 to 3.3
Sugar consumption during lifetime (n = 1065)
 Lowd74 (6.9)2.81.5 to 4.11.018.99.8 to 28.11.0
 Infrequentlye531 (49.9)3.83.2 to 4.41.30.8 to 2.322.218.7 to 25.81.20.7 to 2.2
 Infrequently with critical periodf346 (32.5)4.13.3 to 4.91.40.8 to 2.523.118.6 to 27.61.30.7 to 2.4
 Highg114 (10.7)4.93.7 to 6.11.80.9 to 3.235.126.2 to 44.02.31.1 to 4.6
Bottle feeding at night – 5 y (n = 1126)
 Never/yes, but stopped565 (50.2)4.43.8 to 5.01.026.522.8 to 30.11.0
 Yes, still use561 (49.8)3.73.1 to 4.30.90.7 to 1.121.117.6 to 24.40.80.6 to 1.1
S-ECC (n = 1122)
 dmfs <6854 (76.1)0.90.7 to 1.0
 dmfs ≥6268 (23.9)14.213.1 to 15.3
  • —, reference category.

  • a Mean ratio estimated by negative binomial regression for level of dmfs as the outcome.

  • b Risk ratio estimated by log-linear regression for S-ECC as the outcome.

  • c 1 US dollar = 3.15 Brazilian reals (January 6, 2004).

  • d Low, low sugar consumption (0 or <2 times per day) at 12 and 24 months and 5 years of age.

  • e Infrequently, high sugar consumption (>2 times per day) only at 48 months and/or at 5 years of age.

  • f Infrequently with critical period, high sugar consumption (>2 times per day) only at 24 months, or at 24 and 48 months of age, or at 24 months and 5 years of age.

  • g High, high sugar consumption (>2 times per day) at 12 and 24 months and 5 years of age.