From: Developmental defects of enamel in primary teeth - findings of a regional German birth cohort study
Variables | All children (n = 512) | Children in preventive programme (n = 377) | Children who dropped out (n = 135) | p-value | |||
---|---|---|---|---|---|---|---|
 | % | n | % | n | % | n |  |
Gender male | 52.0 | 270 | 52.3 | 197 | 54.1 | 73 | 0.763 |
Migration background | 6.3 | 32 | 6.1 | 23 | 6.7 | 9 | 0.837 |
Low socioeconomic status | 13.2 | 68 | 9.3 | 35 | 24.4 | 33 | 0.001 |
Diseases during pregnancy | 31.6 | 162 | 34.2 | 129 | 32.5 | 44 | 0.752 |
Caesarean type of delivery | 24.6 | 126 | 27.1 | 102 | 25.3 | 34 | 0.822 |
Preterm birth/low birth weight | 4.3 | 22 | 4.2 | 16 | 4.4 | 6 | 1.000 |