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Ethnic and sex differences in selection for admission to Nottingham University Medical School
 
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Ethnic and sex differences in selection for admission to Nottingham University Medical School

McManus's study of applications to medical school by students in the United Kingdom and the rest of the European Union1 refuelled the debate about discrimination.2 3 McManus showed that 18 measures were independently associated with receiving an offer.1 Applicants disadvantaged in selection included those from ethnic minority groups and men.1 We analysed applications to Nottingham Medical School by students from the United Kingdom and the rest of the European Union for 1997, looking at sex and ethnic group.

Methods and results

The admissions process for applicants to University of Nottingham Medical School is detailed in the school's admissions policy document, which is reviewed annually. Copies are available to all applicants on request and obtainable from us. The process comprises four stages.

Academic stage examines whether the applicant meets the medical school's minimum academic requirement.

Questionnaire stage - Those passing the academic stage complete a questionnaire about work experience, extracurricular activities, and positions of responsibility. These responses are scored.

Statement review - The two statements (applicant's and referee's) on the application form of the applicants with the top 960 questionnaire scores are reviewed by two assessors. Insight, motivation, personality, and communication skills are scored. The 480 candidates with the top scores are selected for interview.

Interview - In an interview of 15 minutes knowledge of Nottingham and the course, insight, motivation, personality, communication skills, and interest in medical topics are assessed and scored. Offers are made to the 260 interviewees with the top scores. In 1997, 2701 candidates from the United Kingdom and the rest of the European Union applied to Nottingham through the Universities Colleges and Admission Service. The decision for each applicant was noted along with ethnic group, sex, and stage of the process. Statistical comparison of frequencies was by X2 test with Yates's correction.

Significantly more non-white and male applicants were rejected at the academic and questionnaire stages, whereas significantly more white and female applicants were rejected at the statement review and interview stages (table). The net effect was that significantly more white and female applicants were offered a place.

Decision by ethnic group. Value are numbers of applicants (percentages of group; percentages of each decision category)
Ethnic Group
Decison category White No-white* Total P value of white v non-white
Total No. of applicants 1954 (76.8) 591 (23.2) 2545+  
Rejection at:        
     Academic stage 384 (69.4; 19.6) 169 (30.6; 28.6) 553 (21.7) <0.0001
     Questionnaire stage 1015 (74.6; 51.9) 345 (25.4; 58.4) 1360 (53.4) <0.01
     Statement review 189 (87.9; 9.7) 26 (12.1; 4.4) 215 (8.5) <0.0005
     Interview 165 (88.2; 8.4) 22 (11.8; 3.7) 187 (7.4) <0.0005
Offered a place 201 (87.4; 10.3) 29 (12.6; 4.9) 230 (9.0) <0.0005

Sex
Decison category Male Female Total P value of male v female
Total No. of applicants 1279 (47.3) 1422 (52.7) 2701  
Rejection at:        
     Academic stage 230 (57.4; 18.0) 171 (42.6; 13.0) 401 (14.8) <0.0001
     Questionnaire stage 848 (49.3; 66.3) 871 (50.7; 61.3) 1719 (63.7) <0.0001
     Statement review 74 (38.1; 5.8) 120 (61.9; 8.4) 194 (7.2) <0.005
     Interview 47 (32.4; 3.7) 98 (67.6; 6.9) 145 (5.4) <0.005
Offered a place 80 (33.0; 6.3) 162 (67.0; 11.4) 242 (9.0) <0.0005
* Asian (Bangladeshi, Chinese, Indian, Pakistani, other Asian) and black (African, Caribbean, other black)
+ Does not include 157 candidates whose ethnic group was not supplied to Universities and Colleges Admission Service.

Comment

Discrimination is "the unfair treatment of a person based on an irrational preference."2 Selection by ethnic group or sex would be discriminatory because neither predicts success in a medical course or career. We believe, however, that the higher rates of offers to female and white applicants do not represent discrimination. They arise at the academic and questionnaire stages, which are objectively scored without reference to ethnic group or sex. Indeed, at the statement review and interview, where true discrimination could operate, non-white and male applicants are significantly more likely to be offered a place.

Selection on the basis of academic ability is reasonable: a proved relation exists between this and success on a medical undergraduate course.4 Our unpublished data for the first 21 years of Nottingham Medical School show that scores at O level or GCSE and A level are significant independent predictors of success at all stages of the course. Unlike in McManus's study, for most applicants we can select only on achieved GCSE and predicted A level grades rather than achieved A level grades.

Nottingham Medical School is the only one to use a questionnaire in selection. It aims at avoiding discrimination by consistently scoring, for all academically suitable applicants, non-academic factors considered relevant to a career in medicine. We now question, however, whether such factors accurately reflect suitability for medicine. Our goal is that selection is only on the basis of evidence based predictors of success, including perhaps psychometric testing.5

We encourage all medical schools in the United Kingdom to examine their admission practices as we have done to ensure that the process is fair and non-discriminatory.

Critical appraisal: points to note

Is the research question clear?
Yes. Are student candidates discriminated against according to sex or ethnicity during the admission process to Nottingham's medical school?

Bias and confounding: Did the authors use the best available study design to answer the question?
Almost. A prospective cohort design would have been preferable, which would have enabled researchers to adjust for any subtle changes in the scoring system since 1997. Recall bias\Mpeople or documents being unable to represent what happened in the past accurately - always a potential problem in retrospective studies. The use of routine data, however, probably made recall bias minimal in this case, providing the scoring method remained constant throughout the period.

Observer and participation bias
A serious problem was that the authors did not state how much selectors were "blinded" to different parts of the application process or to the names of the candidates - so it is impossible to know how independent decisions really were. Also, it is not clear whether the selection process systematically discriminates against people with particular cultural outlooks that do not fit those of the interviewers. For example, are the successful ethnic minority candidates those who are culturally (mainly) English? In Australia, for example, it has long been illegal to identify candidates by name or other identifying features. Students for all degrees, including medicine, are simply numbers, and there is no interviewing process. Needless to say, since the early 1980s a staggering number of medals in medicine have been won by Vietnamese or Laotian refugees, usually women. It is likely that such people - who often lack fluent English at the beginning of university and are in various stages of culture shock - would not have gained entry to medical school under the old interviewing system. Once in, however, they became some of Australia's best doctors and researchers, usually retaining a distinct cultural identity.

Did the study use valid outcome measures?
Almost. Giving numbers of students from different groups is helpful, but the authors neither turned these into proportional figures of different groups nor provided evidence that numbers of students is a validated means of measuring discrimination. This short quantitative analysis does not reveal what selectors thought was important in the different categories - which could have been systematically disadvantageous to particular groups.

Power
Probably OK. A power calculation of some kind would have been nice. Overall, however, an interesting and useful study, even if it raises further questions.

Anna Donald Clinical Evidence

Contributors: DJ initiated the research and participated in collecting and analysing the data and in writing the paper. LD participated in data collection and analysis and writing the paper. DJ is guarantor for the study.

Funding: No additional funding.
Competing interests: None declared.


  1. McManus IC. Factors affecting likelihood of applicants being offered a place in medical schools in the United Kingdom in 1996 and 1997: prospective study. BMJ1998;317:1111-7.
  2. Collier J, Burke A. Racial and sexual discrimination in the selection of students for London medical schools. Med Educ 1986;20:86-90.
  3. McManus IC, Richards P, Winder BC, Sproston KA, Styles V. Medical school applications from ethnic minority groups: identifying if and when they are disadvantaged. BMJ 1995;310: 496-500.
  4. McManus IC, Richards P. Prospective survey of performance of medical students during preclinical years. BMJ1986;293:124-7.
  5. Powis D. How to do it: select medical students. BMJ1998;317:1149-51.

  6. (Accepted 11 March 1999)
Rapid Responses

Discrimination is not always explicit

James and Driver's analysis of applications to Nottingham Medical School by students from the United Kingdom and the rest of the European Union for 1997 found that significantly more white, compared to non-white, applicants were offered a place. They state that the higher rates of offers to white applicants do not represent discrimination because they arise at stages in the selection process which are objectively scored, without reference to ethnic group.

However, we now know that discrimination does not have to be explicit, overt and readily identifiable for it to exist within institutions. As the Macpherson report makes clear , institutional discrimination can exist where the allegedly objective practices, protocols and procedures of an organisation result, albeit unintentionally, in deleterious outcomes for certain groups. In other words discrimination can be subtle and insidious too.

The fact that a procedure is shown to result in significantly fewer applicants from one group being successful is, in itself, prima facie evident that discrimination may be occurring. Reference to ethnic group being explicitly made is not a necessary condition for discrimination.


Bruno Rushforth 2nd year medical student, Manchester Medical School
b.j.rushforth@stud.man.ac.uk
  1. James D, Driver L. Ethnic and sex differences in selection for admission to Nottingham University Medical School. studentBMJ 1999; 7: 372-373. (October.)
  2. The Stephen Lawrence Inquiry. Report of an Inquiry by Sir William Macpherson. Published by The Stationary Office; Cm 4262-I. February 1999.