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Table 4 Cognitive function, mental health problems and childhood depression in the two birth cohorts.

From: Prevalence of non-communicable diseases in Brazilian children: follow-up at school age of two Brazilian birth cohorts of the 1990's

Variables   Ribeirão Preto   São Luís P value
  n % weighted* n % weighted*  
Raven's test      < 0.001
Below average or poor 103 12.2 202 28.9  
Average or above average 672 87.8 468 71.1  
Missing 15 - 3 -  
Human Figure Drawing (HFD)      < 0.001
Below average, borderline or poor 171 21.5 231 34.2  
Average or above average 603 78.5 435 65.8  
Missing 16 - 7 -  
Strengths and Difficulties Questionnaire      < 0.001
Abnormal 307 38.4 318 47.4  
Borderline 126 16.3 116 17.4  
Normal 351 45.2 236 35.2  
Missing 6 - 3 -  
Children's Depression Inventory (CDI)      < 0.001
Positive 56 6.0 141 21.6  
Negative 718 94.0 529 78.4  
Missing 16 - 3 -  
  1. Ribeirão Preto, 2004/05 and São Luís, 2005/06.
  2. * Percentages may not add to 100% because of rounding. Missing values were excluded from percentages and P-value calculations.