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. 2021 Jun 29;76:e3007. doi: 10.6061/clinics/2021/e3007

Table 2. Analysis of self-reporting questionnaire with 20 items (SRQ-20) and Interpersonal Reactivity Index (IRI) of each year-class (n=373).

First Year-class (n=65) Second Year-class (n=58) Third Year-class (n=75) Fourth Year-class (n=54) Internship (n=121) p
Female 54 (83.1%) 39 (67.2%) 60 (80%) 36 (66.7%) 82 (67.8%) 0.064a
Age (years) 20.5±2.3b 20.9±1.5 21.8±1.7b 23.4±2.6b 24.8±2.0b <0.001c
SRQ-20 total score Male 5.3±4.4 7.3±5.0 5.2±4.5 8.5±4.3 6.2±4.2 0.181c
Female 9.9±4.3b 8.2±4.2 9.4±4.1 7.9±4.8 7.8±4.2b 0.027c
SRQ items:
Headaches Male 0 (0%) 7 (36.8%) 3 (20%) 6 (33.3%) 12 (30.8%) 0.203a
Female 22 (40.7%) 20 (51.3%) 27 (45%) 15 (41.7%) 35 (42.7%) 0.873a
Poor appetite Male 3 (27.3%) 2 (10.5%) 3 (20%) 3 (16.7%) 2 (5.1%) 0.271a
Female 18 (33.3%) 7 (17.9%) 17 (28.3%) 7 (19.4%) 13 (15.9%) 0.115a
Poor sleep Male 4 (36.4%) 8 (42.1%) 3 (20%) 11 (61.1%) 19 (48.7%) 0.179a
Female 38 (70.4%)b 23 (59%) 38 (63.3%) 15 (41.7%)b 42 (51.2%) 0.049 a
Easily frightened Male 2 (18.2%) 7 (36.8%) 2 (13.3%) 3 (16.7%) 6 (15.4%) 0.341a
Female 27 (50.0%) 15 (38.5%) 34 (56.7%) 11 (30.6%) 39 (47.6%) 0.112a
Hands shaking Male 3 (27.3%) 6 (31.6%) 0 (0%) 3 (16.7%) 7 (17.9%) 0.189a
Female 11 (20.4%) 10 (25.6%) 16 (26.7%) 5 (13.9%) 15 (18.3%) 0.535a
Nervousness Male 7 (63.6%) 15 (78.9%) 10 (66.7%) 15 (83.3%) 31 (79.5%) 0.637a
Female 54 (100%)b 39 (100%) 59 (98.3%) 30 (83.3%)b 68 (82.9%)b <0.001 a
Poor digestion Male 1 (9.1%) 4 (21.1%) 3 (20%) 7 (38.9%) 9 (23.1%) 0.443a
Female 20 (37%) 15 (38.5%) 23 (38.3%) 10 (27.8%) 42 (51.2%) 0.148a
Difficult thinking Male 3 (27.3%) 4 (21.1%) 4 (26.7%) 10 (55.6%) 13 (33.3%) 0.217a
Female 25 (46.3%) 14 (35.9%) 32 (53.3%) 13 (36.1%) 33 (40.2%) 0.331a
Unhappiness Male 4 (36.4%) 10 (52.6%) 3 (20%) 8 (44.4%) 20 (51.3%) 0.269a
Female 38 (70.4%) 19 (48.7%) 37 (61.7%) 18 (50%) 44 (53.7%) 0.156a
Crying Male 3 (27.3%) 5 (26.3%) 1 (6.7%) 3 (16.7%) 1 (2.6%) 0.047 a
Female 20 (37%) 9 (23.1%) 21 (35%) 13 (36.1%) 25 (30.5%) 0.623a
Lack of enjoyment Male 6 (54.5%) 10 (52.6%) 7 (46.7%) 13 (72.2%) 18 (46.2%) 0.455a
Female 36 (66.7%) 24 (61.5%) 39 (65%) 17 (47.2%) 43 (52.4%) 0.214a
Difficulty making decisions Male 3 (27.3%) 12 (63.2%) 11 (73.3%) 9 (50%) 17 (43.6%) 0.549a
Female 37 (68.5%) 23 (59%) 36 (60%) 18 (50%) 54 (65.9%) 0.405a
Work suffering Male 3 (27.3%) 4 (21.1%) 3 (20%) 8 (44.4%) 12 (30.8%) 0.509a
Female 20 (37%)b 12 (30.8%) 23 (38.3%) 15 (41.7%) 12 (14.6%)b 0.005 a
Unable to be useful Male 1 (9.1%) 3 (15.8%) 3 (20%) 8 (44.4%) 5 (12.8%) 0.058a
Female 12 (22.2%) 8 (20.5%) 11 (18.3%) 4 (11.1%) 11 (13.4%) 0.542a
Loss of interest Male 2 (18.2%) 7 (36.8%) 2 (13.3%) 8 (44.4%) 9 (23.1%) 0.214a
Female 27 (50%) 11 (28.2%) 25 (41.7%) 13 (36.1%) 26 (31.7%) 0.154a
Worthlessness Male 1 (9.1%) 7 (36.8%) 3 (20%) 7 (38.9%) 7 (17.9%) 0.195a
Female 19 (35.2%) 13 (33.3%) 20 (33.3%) 10 (27.8%) 19 (23.2%) 0.537a
Suicidal thoughts Male 0 (0%)b 4 (21.1%)b 0 (0%) 0 (0%) 1 (2.6%) 0.010a
Female 6 (11.1%) 3 (7.7%) 2 (3.3%) 2 (5.6%) 3 (3.7%) 0.364a
Tiredness the all time Male 4 (36.4%) 9 (47.4%) 7 (46.7%) 13 (72.2%) 20 (51.3%) 0.358a
Female 40 (74.1%)b 23 (59%) 36 (60%) 27 (75%) 37 (45.1%)b 0.004a
Stomach ache Male 2 (18.2%) 5 (26.3%) 3 (20%) 6 (33.3%) 12 (30.8%) 0.838a
Female 28 (51.9%) 13 (33.3%) 25 (41.7%) 12 (33.3%) 37 (45.1%) 0.313a
Tires easily Male 6 (54.5%) 11 (57.9%) 7 (46.7%) 12 (66.7%) 22 (56.4%) 0.848a
Female 36 (66.7%) 19 (48.7%) 42 (70%) 28 (77.8%) 44 (53.7%) 0.023a
IRI:
Empathic Concern Male 2.1±0.5 2.4±0.5 2.5±0.4 2.5±0.5 2.3±0.5 0.448c
Female 2.6±0.5 2.7±0.5 2.7±0.4 2.7±0.5 2.6±0.6 0.776c
Perspective Taking Male 2.3±0.6 2.8±0.7 3.0±0.5 2.8±0.7 2.6±0.9 0.121c
Female 2.7±0.6 2.9±0.6 2.9±0.6 2.8±0.6 2.6±0.6 0.131c
Fantasy Male 1.6±0.7b 2.2±0.7 2.4±1.1b 2.3±0.9 1.8±0.7 0.040c
Female 2.6±0.9 2.9±1.0 2.9±0.9 2.5±1.0 2.4±0.9 0.004c
Personal Distress Male 1.2±0.9 1.6±0.7 1.2±0.6 1.7±0.7 1.4±0.6 0.156c
Female 2.0±0.6 1.9±0.5 2.0±0.8 1.7±0.8 1.8±0.7 0.191c

Note: SRQ-20: self-reporting questionnaire with 20 items; IRI: Interpersonal Reactivity Index; Internship: clerkship, completed in the same institution. (a) Qui-squared test - values are given as the number of cases and percentage of cases; (b) p≤0.05 in One-Way ANOVA post-hoc test using the first year as the reference category; (c) Kruskall-Wallis test - values are given as means±standard deviation. Bold values indicate significant differences.