Characteristics

(N = 422)

use

X2

P

S

Yes

No

n = 256

n = 166

Knowledge of the age of onset SPC

Knows (at birth)

140

85

0.49

0.483

NS

Do not know (other city age)

116

81

Knowledge related to the age where SPC must stop

Knows (5 years)

183

122

0.20

0.652

NS

Do not know (other city age)

73

44

Knowledge of the importance of CPS

Good knowledge (more than 3 magnitudes cited)

174

124

2.19

0.138

NS

Poor knowledge (3 months magnitudes cited)

82

42