Table 1
Descriptive statistics of the measures of interest
|
Variable on ratio scale |
Mean |
SD |
Range |
|
Number of referrals to SPC |
0.58 |
1.34 |
0–10 |
|
Age (at matriculation) |
24.41 |
3.66 |
20–39 |
|
MCAT total score |
31.14 |
2.48 |
25–41 |
|
Undergraduate overall GPA |
3.57 |
0.26 |
2.55–4.00 |
|
Number of dependents |
0.19 |
0.69 |
0–7 |
|
Foundation module midterm NBME score |
74.94 |
8.38 |
48–95 |
|
Foundation module final NBME score |
76.57 |
7.44 |
55–96 |
|
Module average score (average of all assessments during Foundation module) |
80.06 |
7.28 |
62.44–96.64 |
|
MSK module midterm NBME score |
79.92 |
7.03 |
56–99 |
|
MSK module final NBME score |
83.57 |
7.40 |
57–100 |
|
Average module score (average of all assessments during MSK module) |
82.20 |
5.08 |
63.88–92.52 |
|
Variables on nominal scale |
Category |
Frequency |
Valid percentage |
|
Referral to SPC |
Yes |
384 |
76.95 |
|
No |
115 |
23.05 | |
|
Gender |
Female |
162 |
33.26 |
|
Male |
325 |
66.74 | |
|
Number of referrals |
Number of students |
Percentage | |
|
0 |
384 |
73.7 | |
|
1 |
33 |
6.3 | |
|
2 |
49 |
9.4 | |
|
3 |
20 |
3.8 | |
|
4 |
11 |
2.1 | |
|
5 |
10 |
1.9 | |
|
6–11 |
14 |
2.8 |
SPC Student Promotions Committee, MCAT Medical College Admissions Test, GPA grade point average, NBME National Board of Medical Examiners, Foundation Foundation in Medicine, MSK Musculoskeletal Integument
Table 2
Logistic regression modelling of the outcome variable of whether a student was referred to the SPC
|
Explanatory variable |
Exp (B) (p-value) |
95% CI of Exp (B) |
Nagelkerke R 2 |
|---|---|---|---|
|
Pre-matriculation variables | |||
|
Gender (male as reference group) (Model 1) |
0.44 (p < 0.01) |
(0.26, 0.76) | |
|
Age (Model 1) |
0.97 (p = 0.53) |
(0.90, 1.06) | |
|
Number of dependents (Model 1) |
0.87 (p = 0.56) |
(0.55, 1.38) | |
|
MCAT total score (Model 1) |
0.88 (p < 0.05) |
(0.79, 0.98) | |
|
Undergraduate overall GPA (Model 1) |
0.96 (p < 0.01) |
(0.97, 0.99) | |
|
Adding pre-clerkship performance variables | |||
|
Model 1: Foundation module midterm NBME score |
0.96 (p < 0.01) |
(0.93, 0.99) |
0.13 |
|
Model 2: Foundation module final NBME score |
0.92 (p < 0.01) |
(0.89, 0.95) |
0.18 |
|
Model 3: Average module score (average of all assessments during Foundation module) |
0.98 (p = 0.20) |
(0.95, 1.01) |
0.11 |
|
Model 4: MSK module midterm NBME score |
0.90 (p < 0.01) |
(0.87, 0.93) |
0.21 |
|
Model 5: MSK module final NBME score |
0.90 (p < 0.01) |
(0.87, 0.93) |
0.22 |
|
Model 6: Average module score (average of all assessments during MSK module) |
0.92 (p < 0.05) |
(0.86, 0.99) |
0.13 |
SPC Student Promotions Committee, MCAT Medical College Admissions Test, GPA grade point average, Foundation Foundation in Medicine, NBME National Board of Medical Examiners, MSK Musculoskeletal Integument
Table 3
Negative binomial regression modelling of the outcome variable of how many times a student was referred to the SPC
|
Explanatory variable |
Exp (B) (p-value) |
95% CI of Exp (B) |
AIC, BIC |
|---|---|---|---|
|
Pre-matriculation variables | |||
|
Gender (male as reference group) (Model 1) |
0.62 (p < 0.05) |
(0.43, 0.90) | |
|
Age (Model 1) |
1.00 (p = 0.89) |
(0.94, 1.05) | |
|
Number of dependents (Model 1) |
0.73, (p = 0.10) |
(0.50, 1.07) | |
|
MCAT total score (Model 1) |
0.91, (p < 0.05) |
(0.84, 0.98) | |
|
Undergraduate overall GPA (Model 1) |
0.98, (p < 0.01) |
(0.98, 0.99) | |
|
Adding pre-clerkship performance variables | |||
|
Model 1: Foundation module midterm NBME score |
0.96, (p < 0.01) |
(0.94, 0.98) |
(849.68; 878.57) |
|
Model 2: Foundation module final NBME score |
0.92, (p < 0.01) |
(0.90, 0.95) |
(823.46; 852.33) |
|
Model 3: Module average score (average of all assessments during Foundation module) |
0.97, (p < 0.01) |
(0.95, 0.99) |
(859.49; 888.36) |
|
Model 4: MSK module midterm NBME score |
0.91, (p < 0.01) |
(0.89, 0.94) |
(808.32; 837.20) |
|
Model 5: MSK module final NBME score |
0.91, (p < 0.01) |
(0.89, 0.94) |
(810.06; 838.93) |
|
Model 6: Module average score (average of all assessments during MSK module) |
0.92, (p < 0.01) |
(0.87, 0.96) |
(342.91; 364.73) |
SPC Student Promotions Committee, AIC Akaike information criteria, BIC Bayesian information criterion, MCAT Medical College Admissions Test, GPA grade point average, Foundation Foundation in Medicine, NBME National Board of Medical Examiners, MSK Musculoskeletal Integument