Table 3.
Lifetime bottle and pacifier use, non-nutritive sucking habits, current bruxism, primary headache and recurrent abdominal pain in the two birth cohorts.
| 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 | |
Ribeirão Preto, 2004/05 and São Luís, 2005/06.
* Percentages may not add to 100% because of rounding. Missing values were excluded from percentages and P-value calculations.