




* Carman and Ann Adams Department of Pediatrics, Wayne State University, Detroit, Michigan
Division of Ambulatory Pediatrics
Department of Social Work
|| Division of Pharmacology, Children's Hospital of Michigan, Detroit, Michigan
| ABSTRACT |
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Methods. Using the PVS, we screened a sample of consecutive female caretakers/guardians of children seen for pediatric care in the general pediatric clinic of Children's Hospital of Michigan from March 1, 2002, through February 28, 2003. Positive screens obtained during the study period were compared with the number of DV referrals received by the clinic social workers from January 1, 2001, through December 31, 2001, before PVS screening began. To test the mechanics of screening, we also analyzed the number of forms returned blank or marked "no opportunity to screen" in the last 8 months of the study period.
Results. In the 12 months before use of the PVS, our social work department received 9 referrals because of DV from the general pediatric clinic, among a total of 5446 caretakers/guardians bringing 6380 children for a total of 13 576 patient care visits. In contrast, the social work department received 164 referrals because of positive screening results among 5445 caretakers/guardians bringing 7429 children for 17 346 patient care visits in the 12-month study period after introduction of the PVS. Fourteen of 164 positive PVSs were found to involve nondomestic violence perpetrated by nonpartners or violence with the patient as the victim, not the mother or female caretaker. A total of 150 PVSs involved true DV. The difference in identification of DV with the PVS, compared with the rate before its introduction, was highly significant. The positive predictive value for the PVS was 91.5%, and the identified prevalence rate was 3.7%. In the last 8 months of the study period, 6301 of 8055 PVS forms (78%) were completed; 1754 of 8055 PVS forms (22%) were left blank, but it was not possible to determine whether these represented duplicate screening forms for instances in which the mother or female caretaker had brought >1 child for care.
Conclusions. Formal screening for DV with the PVS in this study setting of a busy, urban, academic, general pediatric clinic appeared to be very successful, in terms of increasing referrals and documentation of previously unrecognized DV situations. This increase signals the need for resources (time and/or social work services) to provide appropriate referral services. The PVS identifies nonpartner violence occasionally.
Key Words: domestic violence intimate partner violence screening pediatric outpatient clinic
Abbreviations: DV, domestic violence PVS, Partner Violence Screen
Exposure to violence has a negative impact on children's physical, emotional, and cognitive well-being.1 Domestic violence (DV) exposure has been shown to have adverse effects on youths in particular. Such children are at increased risk of physical abuse,2,3 and their cognitive development and academic performance are frequently stunted.4,5 They are more likely to have poor self-esteem and are at greater risk for later substance abuse.69 They may also be more likely to engage in abusive behaviors with intimate partners once they reach adulthood, thereby perpetuating DV.10,11
In recognition of these problems, the American Academy of Pediatrics issued guidelines in 1998,12 recommending that pediatricians screen for DV among all female caretakers of children presenting to their practices. Since then, however, only a few reports describing the results of such screening in pediatric settings have been published. One report described a study in an emergency department setting.13 Studies that were completed in pediatric clinics were conducted for brief periods of time, sometimes as part of a larger study evaluating childhood behaviors.1417 Results of routine screening in a resident-run clinic within an urban academic hospital have not been reported. Our objectives were (1) to determine whether the use of the Partner Violence Screen (PVS) increases detection of DV and (2) to test the mechanics of implementing large-scale DV screening in a busy, pediatric, residency training clinic.
| METHODS |
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1 answer in the first column, ie, yes to question 1, no to question 2, and/or yes to question 3. Women were excluded if they did not speak English or if other adults accompanied them. Because of previously published concerns about the sensitivity of the topic,18 screening was performed in situations in which children
3 years of age were present only if the woman could be asked privately or the response form could be handed to her so that she could complete it herself. Women were informed that we routinely ask these questions of all of our families. Signs notifying families of the clinic's policy of asking about DV were posted in the waiting room and in the examination rooms. If the medical assistant was not able to administer the PVS, then residents and nurses attempted to do so later in the visit. A referral to the clinic social worker was made during that office visit for subjects with positive screening results. At the end of the visit, the response sheets were collected in a box near the nurse's station. To test the mechanics of screening, we also analyzed the number of forms returned blank or marked "no opportunity to screen" in the last 8 months of the study period. The protocol was approved by the Wayne State University Human Investigation Committee.
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2 test comparing the DV detection rates in the 2 time periods was performed. | RESULTS |
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One hundred fifty PVSs involved true DV. The response patterns are listed in Table 2. The most common (32%) PVS response pattern was yes/yes/no, ie, the women had encountered violence within the past 12 months but felt safe in their current relationships and no one from a previous relationship was making them feel unsafe now.
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With the assumption that 75% of caretakers were women who presented without a male partner or other adults or older children present, the identified DV prevalence rate was 3.7% (150 of [75% of 5445], ie, 150 of 4084 subjects), with a positive predictive value of 91.5% (150 of 164 cases), during the year we used the PVS screen. In the year before we used the PVS, our known prevalence rate was 0.2% (9 of [75% of 5446], ie, 9 of 4085 subjects). The difference was highly statistically significant (P < .0001). The sensitivity and specificity of the PVS could not be calculated, because we did not have a standard measure with which to compare it.
During the 8-month period from July 1, 2002, through February 28, 2003, we monitored the total number of forms returned. There were 8055 forms returned, of which 78% (6301 of 8055 forms) had been completed. Of these, 100 demonstrated positive results, with 90 referring to true DV and 10 referring to other types of violence or having been filled out incorrectly because of misinterpretation of the questions. Approximately 25% of completed screens (1616 of 6301 screens) were marked no opportunity. Screeners had been asked to mark this box if older children or other adults accompanied the woman or if a male adult had brought the child. We therefore estimated that female caretakers could be screened in 75% of visits, and we used this number as the basis for calculating prevalence rates. Twenty-two percent of PVS forms (1754 of 8055 forms) were blank, but it was not possible to determine whether these forms represented duplicate screening forms for instances in which the mother or female caretaker had brought >1 child for care. It was also not possible to clarify which families had already been screened in a previous visit.
| DISCUSSION |
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Prevalence
Our DV rate of 3.7% was in the lower part of the range of previously reported prevalence rates for other pediatric settings, ie, 3.2% to 16.5%.14,15,17,23 Our lower rate might have been attributable to differences in who was screened, who did the screening, the screening setting, and our screening tool. The PVS does not focus on lifetime DV exposure but limits itself to the previous 12 months and past and current relationship safety. Also, we expect that some women refused to divulge their experience because of fear of losing their children or fear of their partner finding out, with exacerbation of the situation. This might have contributed to the relatively low rate.
Setting
We are not aware of any previous reports of routine screening in a resident-run clinic. In 1992, Wissow et al24 reported on screening for family violence in a similar inner-city, hospital-based, pediatric residents' continuity clinic. However, the screening was not part of the routine clinic protocol. Also, the screening tool did not differentiate between DV and other forms of violence experienced in the family. Therefore, their prevalence rates cannot be compared with ours.
False-Positive PVSs
The PVS may occasionally identify violence by a nonpartner against the female caretaker. In our study, 8.5% of the screens referred to nonpartner violence. In a previous study in which the PVS was compared with 2 standard measures, namely, the Conflict Tactics Scale and the Index of Spouse Abuse, the sensitivity of the PVS was found to be 71.4% with respect to the former and 64.5% with respect to the latter, with specificities of 84.4% and 80.3%, respectively.25 The positive predictive values were 63.4% and 51.3%, whereas the negative predictive values were 88.7% and 87.6%, respectively. Because we did not compare the PVS with a standard measure, we cannot comment on the sensitivity, specificity, or negative predictive value in our population. Our higher positive predictive value of 91.5% is most likely attributable to the clinic staff members learning to double-check whether a positive PVS truly referred to DV and correcting the PVS if it was found that the caretaker was not referring to intimate partner violence. Most false-positive PVS screens were reported in the first 7 months of the use of this tool.
Limitations
Our study design has several limitations, as follows. (1) The acceptance of screening by an inner-city, primarily black, parent group may differ from that by other groups, and our findings may not be applicable to other populations. (2) The mechanics of routine screening may vary with the size of the practice setting or the degree of reliance on residents. The use of medical assistants for screening may not be practical where medical assistants have close personal contact with a larger proportion of the clientele, as may happen in a smaller community. (3) Without individually monitoring every clinic staff member completing screening, it was not possible to determine actual compliance with the screening protocol. In a pediatric clinic setting, concerns exist with respect to privacy of information about a mother's DV experience documented in her child's medical record, to which the father may have access. Therefore, a systematic chart review was not possible.
| CONCLUSIONS |
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| ACKNOWLEDGMENTS |
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| FOOTNOTES |
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Reprint requests to (T.G.H.) Division of Ambulatory Pediatrics, Children's Hospital of Michigan, 3901 Beaubien Blvd, Detroit, MI 48201. E-mail: tholtrop{at}med.wayne.edu
| REFERENCES |
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