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Table 1 Median values and interquartile range for cohort characteristics

From: The BDNFp.Val66Met polymorphism, childhood trauma, and brain volumes in adolescents with alcohol abuse

Variable

HC

AUD

Total cohort

Females ( n  = 47)

Males ( n  = 33)

Total ( n  = 80)

Females ( n  = 47)

Males ( n  = 33)

Total ( n  = 80)

Imaging cohort b

Females (n = 33)

Males (n = 25)

Total (n = 58)

Females (n = 33)

Males (n = 25)

Total (n = 58)

Age (years)

14.89 (15.32-14.4)

14.94 (15.45-14.23)

14.92 (15.33-14.36)

14.89 (15.59-14.31)

14.98 (15.51-14.52)

14.94 (15.53-14.47)

14.71 (15.14-14.35)

15.07 (15.54-14.32)

14.77 (15.33-14.35)

14.89 (15.64-14.06)

15.17 (15.57-14.52)

14.98 (15.60-14.41)

Education (years)

8.0 (8.0-7.0)

8.0 (8.0-7.0)

8.0 (8.0-7.0)

8.0 (8.0-7.0)

8.0 (8.0-7.0)

8.0 (8.0-7.0)

8.0 (8.0-7.0)

8.0 (8.0-7.0)

8.0 (8.0-7.0)

8.0 (9.0-7.0)

8.0 (8.0-7.0)

8.0 (8.0-7.0)

% Afrikaans-speaking

63.8

78.8

70.0

63.8

75.8

68.8

69.7

84

75.9

60.6

72.0

65.5

Alcohol life dose unitsa

1.0 (9.00-0)

1.0 (4.0-0)

1.0 (5.75-0.0)

1152.0 (2008.0-480.0)

1012.0 (2076.0-396.0)

1125.50 (2032.0-441.0)

1.0 (9.00-0)

1.0 (3.5-0)

1.0 (4.25-0.0)

892.0 (1980.0-442.0)

1012.0 (2076.0-396.0)

962.0 (1987.0-429.0)

CTQ-Physical Abuse

5.0 (7.0-5.0)

5.0 (6.0-5.0)

5.0 (7.0-5.0)

5.0 (7.0-5.0)

7.0 (10.0-5.0)

5.0 (7.0-5.0)

5.0 (6.5-5.0)

5.0 (6.0-5.0)

5.0 (6.0-5.0)

5.0 (7.0-5.0)

7.0 (12.0-5.0)

6.0 (7.5-5.0)

CTQ-Sexual abuse

5.0 (5.0-5.0)

5.0 (5.0-5.0)

5.0 (5.0-5.0)

5.0 (6.0-5.0)

6.0 (9.0-5.0)

5.0 (7.0-5.0)

5.0 (5.0-5.0)

5.0 (5.0-5.0)

5.0 (5.0-5.0)

5.0 (5.0-5.0)

6.0 (12.0-5.0)

5.0 (7.0-5.0)

CTQ-Emotional Abuse

6.0 (9.0-5.0)

6.0 (8.0-5.0)

6.0 (8.75-5.0)

8.0 (11.0-6.0)

9.0 (11.5-5.0)

8.0 (11.0-6.0)

5.0 (8.5-5.0)

6.0 (8.5-5.0)

6.0 (8.25-5.0)

8.0 (11.0-6.0)

9.0 (11.5-5.0)

8.0 (11.0-6.0)

CTQ-Physical Neglect

6.0 (9.0-5.0)

8.0 (10.5-5.0)

7.0 (9.0-5.0)

9.0 (11.0-7.0)

8.0 (13.0-5.5)

8.50 (12.0-6.0)

5.0 (9.0-5.0)

7.0 (12.0-5.5)

7.0 (9.25-5.0)

8.0 (11.0-6.5)

9.0 (12.5-5.5)

8.0 (12.0-6.0)

CTQ-Emotional Neglect

10.0 (13.0-6.0)

11.0 (18.5-8.0)

11.0 (15.0-7.0)

12.0 (17.0-7.0)

12.0 (19.0-8.0)

12.0 (18.0-8.0)

10.0 (13.0-6.0)

13.0 (21.0-9.0)

11.0 (17.0-7.75)

12.0 (17.5-7.5)

12.0 (17.0-8.0)

12.0 (17.25-8.0)

CTQ-total score

35.0 (46.0-29.0)

39.0 (47.0-30.5)

36.50 (46.0-29.25)

42.0 (51.0-34.0)

42.0 (60.0-30.0)

42.00 (53.5-33.25)

35.0 (46.0-29.0)

39.0 (52.0-30.5)

36.0 (49.0-29.75)

42.0 (48.0-34.5)

42.0 (65.5-33.0)

42.0 (52.0-34.75)

  1. aAlcohol life dose was measured in units. One unit was defined as one beer or wine cooler, one glass of wine, or one 43 g shot of liquor (alone or in a mixed drink). bImaging cohort values are italicized.