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Table 2 Subjective and objective numeracy scores (median, 95% confidence interval) among students from the Faculty of Social Sciences and students of the first, third, fourth, fifth and sixth year of medical studies (N = 272)

From: Health numeracy skills of medical students:cross-sectional and controlled before-and-after study

Numeracy testSociology (n = 27)Medicine 1st year (n = 59)Medicine 3rd year (n = 54)Medicine 4th year (n = 52)Medicine 5th year (n = 39)Medicine 6th year (n = 46)P†BF10
Subjectivea3.5 (3.1 to 3.6) §4.8 (4.6 to 5.0)4.6 (4.4 to 4.9) 4.9 (4.7 to 5.2)5.0 (4.9 to 5.1)5.0 (4.9 to 5.1)< 0.0012.758 × 1015
Objectivea15.0 (15.0 to 16.0) #17.0 (15.0 to 17.0)**17.0 (16.0 to 17.0) 18.5 (17.0 to 19.0)19.0 (18.0 to 20.0)19.0 (18.0 to 19.0)< 0.0012.359 × 1010
  1. aSubjective numeracy score is expressed as mean of answers to eight Likert type questions ranging 1–6; Objective numeracy is expressed as sum of correct answers on a scale from 0 to 20
  2. †Kruskal Wallis test
  3. ‡Bayesian one-way ANOVA; BF – Bayes Factor
  4. §Statistically significant from others, post-hoc Conover Iman test
  5. ¶Statistically different from Sociology students only
  6. Statistically different from Sociology and Medicine 4th, 5th and 6th year groups
  7. #Statistically different from Medicine 3rd, 4th, 5th, 6th year groups
  8. **Statistically different from Medicine 4th, 5th, 6th year groups