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Table 3 Lifetime bottle and pacifier use, non-nutritive sucking habits, current bruxism, primary headache and recurrent abdominal pain 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*  
Lifetime bottle use      < 0.001
Yes 709 89.6 463 68.3  
No 79 10.4 206 30.7  
Missing 2 - 4 -  
Lifetime pacifier use      < 0.001
Yes 502 63.8 263 38.7  
No 286 36.2 405 61.3  
Missing 2 - 5 -  
Lifetime finger sucking      0.137
Yes 80 9.9 80 12.4  
No 708 90.1 591 87.6  
Missing 2 - 2 -  
Non-nutritive sucking habits (lifetime pacifier use or finger sucking)      < 0.001
Yes 543 69.1 322 47.9  
No 243 30.9 346 52.1  
Missing 4 - 5 -  
Current bruxism (teeth clenching or grinding)      0.903
Yes 228 28.9 192 29.2  
No 551 71.1 472 70.8  
Missing 11 - 9 -  
Primary headache (2 or more episodes in the two preceding weeks)      < 0.001
Yes 206 27.9 87 13.0  
No 556 72.1 568 87.0  
Missing 28 - 18 -  
Recurrent abdominal pain (pain in the last three months that affected the child's daily activities)      0.887
Yes 172 21.9 144 21.6  
No 617 78.1 529 78.4  
  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.