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Table 1 Number of children by sex, school type and school zone

From: Association of characteristics of delivery and medical conditions during the first month of life with developmental defects of enamel

Sex

Zone

School type, total N (N with DDE,% with DDE)

Total

  

Public

Private

 

Boys

1

80 (34, 42.5%)

39 (16, 43.6%)

119 (51, 42.9%)

2

80 (41, 51.3%)

48 (22, 45.8%)

128 (63, 49.2%)

3

73 (51, 69.9%)

41 (15, 36.6%)

114 (66, 57.9%)

4

80 (23, 28.8%)

43 (22, 51.2%)

123 (45, 36.6%)

All

313 (149, 47.6%)

171 (76, 44.4%)

484 (225, 46.5%)

Girls

1

80 (36, 45.0%)

50 (26, 52.0%)

130 (62, 47.7%)

2

80 (41, 51.3%)

42 (25, 59.5%)

122 (66, 54.1%)

3

80 (24, 30.0%)

39 (12, 30.8%)

119 (36, 30.3%)

4

80 (57, 71.3%)

39 (23, 59.0%)

119 (80, 67.3%)

All

320 (158, 49.4%)

170 (86, 50.6%)

490 (244, 49.8%)

Total

 

633 (307, 48.5%)

341 (162, 47.5%)

974 (469, 48.2%)

  1. In parentheses, the percentage of children with DDE in each group.