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Table 1 Characteristics of participants. Values are absolute frequencies (percentages) or medians (25th and 75th percentile)

From: How do medical students engaging in elective courses on acupuncture and homeopathy differ from unselected students? A survey

Variable (n missing) Acupuncture
(n = 220)
Homeopathy
(n = 113)
Control
(n = 315)
p-value global (pairwise)
Female (9) 161 (73%) 87 (77%) 202 (66%) .05 (−/*/-)
Age (12) 24 (23, 27) 24 (22, 28) 23 (22, 25) .005 (**/−/−)
Half-years at medical school (12) 7 (5, 9) 7 (3, 9) 7 (7, 8) .04 (−/*/*/)
Score secondary schoola (28) 1.7 (1.3, 2.3) 1.6 (1.3, 2.0) 1.4 (1.2, 1.6) <.001 (**/**/-)
Professional training before medical school (9) 69 (31%) 40 (35%) 53 (17%) <.001 (**/**/-)
Knows planned type of specialization (10)
Among those knowing specialization
115 (52%) 63 (56%) 130 (43%) .015 (*/*/-)
- family medicine 29 (25%) 30 (48%) 19 (15%) <.001 (−/**/*)
- surgery 13 (11%) 3 (5%) 33 (25%) .001 (*/*/-)
- internal medicine 13 (11%) 6 (10%) 23 (18%) .19 (−/−/-)
  1. p-values for three-group comparisons from Kruskal-Wallis-tests and Pearson-Chi2-tests; p-values for pairwise comparisons from Fisher’s exact tests and Mann–Whitney-U-tests: − p ≥ .05 ; * p = .002 to p = .049 ; ** p ≤ .001 (order: first position - acupuncture vs. control, second position - homeopathy vs. control; third position - acupuncture vs. homeopathy)
  2. ascores for final examinations at German secondary schools qualifying for university can vary between 0.7 (best score) and 6 (worst score)