Described the development and validation of the Functional Disability Inventory (FDI) for school-age children and adolescents. Results provide support for construct, concurrent, and predictive validity. FDI scores also demonstrated stability over a 3-month period in patients with a chronic condition, and the instrument was sensitive to changes in patient status subsequent to medical treatment. There was some evidence that gender played a role in disability, particularly in adolescence. The instrument may be used (a) in studying individual differences in pediatric disability, (b) in examining the relation of disability to psychosocial functioning in the child and other family members, or (c) as an outcome measure in assessing the impact of interventions on patient functioning.
Symptoms of somatization were investigated in pediatric patients with recurrent abdominal pain (RAP) and comparison groups of patients with organic etiology for abdominal pain and well patients. Somatization scores were higher in RAP patients than well patients at the clinic visit, and higher than in either well patients or organic patients at a 3-month followup. Higher somatization scores in mothers and fathers were associated with higher somatization scores in RAP patients, but not in organic or well patients. Contrary to the findings of Ernst, Routh, and Harper (1984), chronicity of abdominal pain in RAP patients was not significantly associated with their level of somatization symptoms. Psychometric information about the Children's Somatization Inventory is presented.
Patients presenting with abdominal pain were classified into two groups: the recurrent abdominal pain (RAP) group (n = 41), consisting of patients without identifiable organic etiology for abdominal pain, and the organic group (n = 28), consisting of patients with organic findings (primarily ulcer-related conditions). A control group of well patients (n = 41) also participated. RAP and organic patients had higher anxiety, depression, and somatic complaints than well patients, but did not differ from each other. Anxiety, depression, and somatization were greater in RAP mothers than well mothers. Father symptomatology did not differ for the groups. Results suggest that psychological distress does not discriminate between patients with and without identifiable organic etiology for abdominal pain. The high levels of anxiety and depression in RAP and organic patients suggest that they should be targeted in efforts to address "the new hidden morbidity" in pediatrics.
Pediatric patients with recurrent abdominal pain (RAP) were compared with patients with peptic disease, patients with emotional disorders, and well children with regard to (a) emotional and somatic symptoms and (b) theoretically derived variables, including negative life events, competence, family functioning, and the modeling and encouragement of illness behavior. RAP patients had levels of emotional distress and somatic complaints higher than those of well children and lower than those of psychiatric patients, but not different from those of patients with peptic disease. RAP patients had fewer negative life events, better family functioning, and higher competence than children with emotional disorders. In comparison with well children and psychiatric patients, both RAP and peptic disease patients had a higher incidence of illness in other family members and perceived greater parental encouragement of illness behavior for abdominal symptoms.
This study provides the first systematic empirical evidence that RAP, originally defined by Apley, includes children whose symptoms are consistent with the symptom criteria for several FGIDs defined by the Rome criteria. The pediatric Rome criteria may be useful in clinical research to (1) describe the symptom characteristics of research participants who meet Apley's broad criteria for RAP, and (2) select patients with particular symptom profiles for investigation of potential biologic and psychosocial mechanisms associated with pediatric FGIDs.
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