Table 2.

Characteristics Associated With Childhood Nonspecific Abdominal Pain

CharacteristicNo NSAP (n=38,803)NSAP (n=1,978)Univariate OR (95% CI)Multivariate OR (95% CI)
NSAP=nonspecific abdominal pain; OR = odds ratio.
Note: Reference category for each row is children without NSAP.
a P <.05. Logistic regression analyses was used to test the association.
Age, mean (SD), y10.4 (3.8)10.4 (3.8)1.0 (0.99–1.01)
Female, %49.458.21.4 (1.3–1.6)1.4 (1.3–1.5)a
Psychological problem, %6.66.91.1 (0.9–1.3)
Social problem, %0.81.31.6 (1.1–2.4)1.4 (0.9–2.1)
Nongastrointestinal-nonspecific symptoms, %5.07.21.5 (1.2–1.8)1.3 (1.1–1.5)a
Health care use, visits, mean (SD), No.3.9 (3.9)4.6 (4.7)1.05 (1.04–1.06)1.04 (1.03–1.05)a