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Table 2 Prevalence rates of the most common health problems among first-graders (N = 53,053; Boy = 27,359, Girl = 25,694)

From: Morbidity at elementary school entry differs by sex and level of residence urbanization: a comparative cross-sectional study

Health problem

Overall

Boy

Girl Significance

Myopia

27.1

25.8

28.5***

Caries

69.6

70.0

69.1***

Obesity

9.5

10.6

8.4***

Dysarthria

2.5

3.0

2.0***

Cryptorchidism

-

2.1

-

Heart murmur

1.5

1.6

1.5

Scoliosis

0.4

0.4

0.4

Atopic dermatitis

0.2

0.2

0.2

  1. Statistically significant differences between boys and girls: ***indicates p < .001.