From the Division of General Pediatrics and Adolescent Health, University of Minnesota, Minneapolis, Minnesota
| ABSTRACT |
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Methods. Parents of 2028 children between the ages of 7 and 15 years seen in a sample of 8 primary care practices in the Minneapolis-St Paul metropolitan area completed a brief questionnaire that included the 17-item Pediatric Symptom Checklist (PSC), demographic information, and the reason for the childs visit to the clinic.
Results. Overall, 22% of the youth had at least 1 positive PSC-17 subscale or a positive PSC-17 total score. Twelve percent scored positive on the internalizing subscale, 10% on the externalizing subscale, 7% on the attention subscale, and 11% had a positive PSC-17 total score. Although boys were more likely than girls to score positive on the attention and aggression subscales, boys and girls were equally likely to have a positive score on the depression subscale. Children not living with both biological parents and those with a household member receiving public assistance were significantly more likely to show psychosocial dysfunction. Controlling for demographic characteristics, patients presenting for an illness-related or injury visit were more likely to score positive on the screen than those presenting for a routine well-child visit (odds ratio: 1.46; 95% confidence interval: 1.071.98).
Conclusions. Clinicians will miss opportunities to identify emotional and behavioral disorders among children and adolescents who may be at a higher risk if they limit psychosocial screening to health supervision visits. Further research is needed to identify effective strategies for using primary care for recognizing, diagnosing, and treating mental health disorders in children and adolescents.
Key Words: psychosocial screening primary care pediatrics mental health
Abbreviations: PSC, Pediatric Symptom Checklist
The underdetection of child mental health problems in pediatric practice has been well-documented.1,2 Studies have found rates of psychosocial disorders as high as 27% among 4- to 16-year-olds and 13% among preschool children.3,4 Unfortunately, pediatricians identify only a small portion of these children, and few use standardized methods for identification of emotional or behavioral problems. Costello and Shugart5 reported that pediatricians identified only 15% of their school-age patients with significant behavioral or emotional disorders. Likewise, Lavigne et al4 found that pediatricians identified only 21% of emotional and behavioral problems in preschoolers when asked about the presence or absence of these problems, as compared with the Child Behavior Checklist and confirmation by a child psychologist. Because most children with psychosocial dysfunction are seen in general medical rather than mental health settings, many children who might benefit from mental health treatment, including counseling, medication, and specialist referrals, do not receive these services.6,7 Untreated emotional and behavioral disorders, including depression and antisocial behavior problems, contribute to poor overall functioning; school failure; and adolescent and adult crime, violence, substance abuse, and suicide.810
The Pediatric Symptom Checklist (PSC) was developed to facilitate recognition and referral of child psychosocial problems by primary care pediatricians.11,12 The PSC is a 35-item, parent-completed screening questionnaire of childrens emotional and behavioral problems. The feasibility of using the PSC to screen for psychosocial problems has been demonstrated in pediatric and family medicine practices nationwide.13 The PSC has strong internal consistency, test-retest reliability, and validity with psychiatric assessments of child functioning.11,12 The instruments validity and reliability have been demonstrated in a variety of populations, including minority and low-income youth.14,15 One study also demonstrated the validity of a shortened version of the PSC, the PSC-17, consisting of subscales for internalizing, externalizing, and attentional symptoms.16 The reduction in items simplifies use of the instrument in clinical settings, and the subscale scores can serve as a guide for clinicians in assessing and managing the child.
Screening for emotional and behavioral problems has been recommended as a routine part of health supervision visits.1720 From ages 6 to 10, health supervision visits are routinely advised every 2 years, with annual visits recommended for adolescents beginning at age 11.1719 However, national surveys indicate that 33% to 44% of adolescents report that they have not had a check-up or routine physical examination in the past year.21,22 Of the
62 million visits to physicians each year by adolescents aged 11 to 21 years in the United States, only
22% are health supervision visits.23 Thus, screening youth in middle childhood and adolescence for psychosocial dysfunction at health supervision visits is only likely to miss a substantial percentage of youth who could be reached at acute care visits. For the present study, youth presenting to clinic for any type of medical visit were screened with the PSC-17. The purpose of the study was to describe characteristics of youth who score positive on the PSC-17. Specifically, it was hypothesized that youth presenting for a non-routine visit would be more likely to have a positive score on the PSC-17 than those presenting for a health supervision visit.
| METHODS |
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The PSC-17 consists of 17 symptoms that parents rate as "often," "sometimes," or "never" present in their child. The PSC-17 is scored by assigning 2, 1, or 0 points, respectively, to these ratings. The points are then added to obtain PSC-17 subscale and total scores. The internalizing subscale consists of 5 items: "feels sad, unhappy," "feels hopeless," "is down on self," "worries a lot," "seems to be having less fun"; the externalizing subscale consists of 7 items: "fights with other children," "does not listen to rules," "does not understand other peoples feelings," "teases others," "blames others for his/her troubles," "refuses to share," "takes things that do not belong to him/her"; the attention subscale consists of 5 items: "fidgety, unable to sit," "daydreams too much," "distracted easily," "has trouble concentrating," "acts as if driven by a motor." A positive score for each of the subscales was as follows: 5 or greater for the internalizing subscale, 7 or greater for the externalizing subscale, and 7 or greater for the attention subscale. A positive score on the screen was defined as at least 1 positive PSC-17 subscale or a PSC-17 total score of
15.16
The data were initially examined using bivariate descriptive statistics. We used c2 tests to examine the significance of differences in having a positive or negative score on the screen when data were stratified by other factors, such as patient gender, age, race/ethnicity, family structure, welfare status, and visit type. To assess the overall effect of visit type on scoring positive on the screen after controlling for potential confounding factors listed above, we used a generalized linear models procedure based on generalized estimating equations, PROC GENMOD, which allowed us to control for clustering of participants by pediatric practices. Because the dependent variable was dichotomous, we specified the binomial distribution for the dependent variable in the PROC GENMOD code.
| RESULTS |
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coefficient, a measure of the internal consistency of a multi-item scale, ranged from 0.67 to 0.82 for the PSC-17 and its subscales (Table 1).
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We used multivariate analysis to assess the importance of visit type on having a positive score on the screen while controlling for possible confounders (Table 3). After adjusting for patient gender, age, race/ethnicity, family structure, and welfare status, patients presenting for an illness-related or injury visit were more likely to score positive on the screen than those presenting for a routine visit (odds ratio: 1.46; 95% confidence interval: 1.071.98).
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| DISCUSSION |
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It should be noted that a positive score on the PSC-17 is not a diagnosis, but rather an indication for further assessment of the child and family, with subscale scores serving as a guide for the assessment.16 Although the PSC-17 subscales show good agreement with previously validated parent-report instruments of internalizing, externalizing, and attention problems, they have not yet been validated with confirmatory diagnoses.16 Case classifications on the 35-item PSC, from which the PSC-17 is derived, have shown good agreement with case classifications on the Childrens Behavior Checklist, clinicians Global Assessment Scale ratings of impairment, and the presence of psychiatric disorder in a variety of pediatric and subspecialty settings representing diverse socioeconomic backgrounds.11,12,14,15,28,29
The greater likelihood of scoring positive on the PSC-17 among patients presenting for a sick visit as compared with those presenting for a health supervision visit may be associated with acute care visits for symptoms related to emotional and behavioral problems. Campo et al30 found that children and adolescents with frequent complaints of pain were significantly more likely than unaffected children to show signs of an emotional or behavioral problem based on the PSC-17 subscales and clinician impression. Recurrent pain was also significantly associated with greater health service use and visits to the doctor for medically unexplained symptoms.
Attention to psychosocial and behavioral problems has long been recommended as a critical component of well-child care.20,24 Guidelines for incorporating screening and assessment of emotional and social development and behavior into health supervision have been published.1719 Given the high rates of unrecognized, untreated psychosocial problems in children and adolescents, using every contact with a family, including acute care visits, as an opportunity to screen for psychosocial problems, will likely increase detection of children with emotional and/or behavioral disorders. This strategy has been used successfully to increase immunization rates among children.3134 Although immunizations are an essential part of health supervision, acute care visits provide an opportunity to review the childs or adolescents immunization status, emphasize the importance of being appropriately immunized, and encourage catch-up immunization at a current or follow-up visit. Evidence suggests that immunization levels can be improved by up to 30% by eliminating missed opportunities for vaccination.31,34 Similarly, screening for psychosocial problems at any visit, whether for an acute illness or well care, if not done within the past 6 to 12 months, will increase the chances that annual screening is achieved and take advantage of opportunities to identify problems that would otherwise be missed. In addition, use of a brief psychosocial screen can help limit inefficient use of professional time, guiding pediatricians on which patients to pursue psychological questioning.27
Use of the PSC in pediatric settings has been shown to significantly increase rates of mental health referrals.15,35 Furthermore, there is evidence that psychosocial screening followed by referral to mental health services for youth identified with psychosocial dysfunction results in improved outcomes.36 Recognition and appropriate management of emotional and behavioral problems in children has been identified as one of the best ways to prevent delinquency, violence, and other high-risk behaviors.20,37 Effective or promising treatments for many mental disorders exist in children, including cognitive-behavioral therapy and selective serotonin reuptake inhibitors for depression,38,39 parent training and multisystemic therapy for conduct disorder,40 and psychostimulants and behavioral training of teachers for attention-deficit/hyperactivity disorder.41,42 Improving the diagnosis and treatment of mental health problems among children and adolescents in primary care settings requires addressing important environmental, physician, and patient factors such as: attitudinal and procedural barriers to implementing and sustaining a clinic system for psychosocial screening with the PSC-17 or other tool35,43; inadequate provider knowledge about mental and behavioral issues and mental health treatment resources in the community; insufficient reimbursement to primary care providers for their efforts in identifying, referring, and treating children with mental health disorders; short supply of mental health services and providers for children and adolescents; fragmented mental health service systems; financial barriers to accessing mental health treatment; and the stigma surrounding mental illness.44 Pediatrician training about emotional and behavioral issues, primary care-friendly guides to assessment and diagnosis of psychosocial problems, and strengthening collaborative relationships between pediatricians and mental health professionals will likely improve mental health services in primary care.25,26,45,46 The evaluation of screening and intervention for mental health problems on outcomes for youth will advance knowledge of effective evidence-based practice in primary care settings. A recent study demonstrated the dearth of research attention and federal funding for understanding the identification and treatment of childrens behavioral and emotional issues within primary medical care settings, despite considerable attention to this issue in the planning documents of many federal agencies.47 Given the magnitude and consequences of emotional and behavioral problems in children and adolescents coupled with the feasibility of screening and the potential for effective intervention, recognition of psychosocial problems is an important issue in primary care pediatric practice.
| ACKNOWLEDGMENTS |
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We thank Tiffany Austad, Becky Beucher, Jamie Blum, Jessica Boyer, Sarah Brand, Bridgett Erlanson, Rachel Friedlieb, Tony Nadler, Sandra Olsen, and Sopheak Srun for their efforts in collecting the study data. We also express deep appreciation to the patients, clinicians, and office staff at Central Pediatrics-Midway, St Paul, Minnesota, Community University Health Care Center, Minneapolis, Minnesota, Fairview Oxboro Clinic, Bloomington, Minnesota, Fairview Ridges Clinic, Burnsville, Minnesota, North End Medical Center, St Paul, Minnesota, Partners in Pediatrics-Robinsdale, Robbinsdale, Minnesota, Southdale Pediatric Associates-Burnsville, Burnsville, Minnesota, and Staub Pediatric Clinic, Minneapolis, Minnesota, for their participation in the study.
| FOOTNOTES |
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Address correspondence to Iris Wagman Borowsky, MD, PhD, Division of General Pediatrics and Adolescent Health, University of Minnesota Gateway, 200 Oak St, SE, Suite 160, Minneapolis, MN 55455. E-mail: borow004{at}tc.umn.edu
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