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Table 2 Baseline information for each group at individual (student) and cluster (tutor) levels.

From: The effect of a brief social intervention on the examination results of UK medical students: a cluster randomised controlled trial

 

Intervention group n = (%)

Control group n = (%)

Total n = (%)

Group differences

p value

Total n = (%)Tutor factors at baseline

Total

6

6

12

n/a

n/a

male

1 (16.7)

2 (33.3)

3 (25.0)

n/a

n/a

white

6 (100.0)

5 (83.3)

11 (91.7)

n/a

n/a

Student factors at baseline

Total

177/348 (50.9)

171/348 (49.1)

348 (100.0)

  

Mean age

22 yrs 4 months

22 yrs 4 months

22 yrs 4 months

t(346) = 0.8

0.94

white*

80/175 (45.7)

87/166 (52.5)

167/341 (49.0)

χ2 = 1.9; df = 3

0.60

Asian Indian, Pakistani, Bangladeshi

47/175 (26.9)

37/166 (22.3)

84/341 (34.0)

χ2 = 1.9; df = 3

0.60

Chinese

16/175 (9.1)

12/166 (7.2)

28/341 (8.2)

χ2 = 1.9; df = 3

0.60

All Other

32/175 (18.3)

30/166 (18.1)

62/341 (18.2)

χ2 = 1.9; df = 3

0.60

Male**

69/176 (39.2)

59/171 (34.5)

128/347 (36.9)

χ2 = 0.8; df = 1

0.36

Graduate entry***

23/176 (13.1)

20/166 (12.1)

43/342 (12.6)

χ2 = 0.1; df = 1

0.75

With iBSC***

107/176 (60.8)

101/166 (60.8)

208/342 (60.8)

χ2 = 0.2; df = 1

0.89

Oxford or Cambridge transfer

21/177 (11.9)

30/171 (17.5)

51/348 (14.7)

χ2 = 2.2; df = 1

0.13

Mean pre-intervention

written z score

0.05 (SD = 1.0)

-0.05 (SD = 1.0)

0.00 (SD = 1.0)

t(343) = -0.9

0.36

Mean Neuroticism score

8.1 (SD = 2.3)

7.8 (SD = 2.3)

8.0 (SD = 2.3)

t(270) = -0.8

0.45

Mean Conscientiousness score

11.3 (SD = 2.6)

11.3 (SD = 2.0)

11.3 (SD = 2.3)

t(272) = 0.2

0.86

Mean Openness score

11.1 (SD = 2.2)

10.9 (SD = 2.4)

11.0 (SD = 2.3)

t(272) = -0.9

0.39

Mean Agreeableness score

13.3 (SD = 1.6)

13.0 (SD = 1.6)

13.2 (SD = 1.6)

t(268) = -1.8

0.07

Mean Extraversion score

11.6 (SD = 2.1)

11.6 (SD = 1.8)

11.6 (SD = 1.9)

t(271) = -0.13

0.90

Mean Surface study score

14.9 (SD = 3.9)

14.7 (SD = 3.4)

14.8 (SD = 3.6)

t(265) = -0.5

0.61

Mean Strategic study score

18.5 (SD = 5.4)

17.7 (SD = 4.7)

18.1 (SD = 5.1)

t(266) = -0.8

0.45

Mean Deep study score

19.4 (SD = 4.1)

19.3 (SD = 3.9)

19.3 (SD = 4.0)

t(267) = -0.3

0.79

Mean GHQ (stress) score

11.4 (SD = 5.3)

10.2 (SD = 4.4)

10.8 (SD = 4.9)

t(262) = -1.9

0.06

  1. * missing n = 7
  2. ** missing n = 1
  3. *** missing n = 6 for graduate and iBSc combined (graduates do not take an iBSc)