TABLE 1

Prevalence of Thumb-Sucking and Nail-Biting in Childhood, and Atopic Sensitization and Asthma at Ages 13 and 32 Years

Girls n/n%Boys n/n%P
Thumb-sucking97/492 (20)90/521 (17).32
Nail-biting98/492 (20)90/521 (17).28
Any oral habit164/492 (33)153/521 (30).17
Atopic sensitization at age 13132/349 (38)196/375 (52).001
Asthma at age 1335/355 (10)60/380 (16).017
Hay fever at age 1399/355 (28)120/380 (32).27
Atopic sensitization at age 32271/467 (58)294/479 (61).29
Asthma at age 3283/474 (18)90/493 (18).76
Hay fever at age 32197/473 (42)181/495 (37).11