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. 2011 Aug 5;11:628. doi: 10.1186/1471-2458-11-628

Table 3.

Prevalence per 100 (95% CI) of being a victim, perpetrator and witness of different forms of violence by age (12 to 60, both sexes).

Types of aggression Total Age groups P value

12 to 17 18 to 35 36 to 55 56 or more
During past year

Verbal aggression

Victim 28.3 42.3 31.9 21.5 9.8 ***
(26.3 - 30.2) (37.3 - 47.4) (28.6 - 35.2) (18.6 - 24.4) (5.7 - 15.4)
Perpetrator 24.3 39.2 29.3 15.8 6.1 ***
(22.5 - 26.2) (34.3 - 44.3) (26.1 - 32.5) (13.2 - 18.4) (3.0 - 10.9)
Witness 59.7 71.9 65.6 52.5 37.2 ***
(57.6 - 61.8) (67.2 - 76.4) (62.2 - 69.0) (48.9 - 56.0) (29.8 - 45.1)

Defraud or deceive

Victim 13.5 12.2 15.2 14.1 4.9 **
(12.0 - 14.9) (9.1 - 15.9) (12.7 - 17.8) (11.7 - 16.6) (2.1 - 9.4)
Perpetrator 3.0 6.0 4.1 0.8 0.6 ***
(2.2 - 3.7) (3.8 - 8.8) (2.7 - 5.5) (0.2 - 1.4) (0.0 - 3.4)
Witness 26.9 37.4 29.5 21.5 15.9 ***
(25.0 - 28.8) (32.6 - 42.4) (26.2 - 32.7) (18.6 - 24.4) (10.6 - 22.4)

Yelling and heavy pranks

Victim 23.8 36.1 25.8 17.5 14.6 ***
(21.9 - 25.6) (31.3 - 41.1) (22.8 - 28.9) (14.8 - 20.2) (9.6 - 21.0)
Perpetrator 17.1 37.4 20.2 6.9 3.7 ***
(15.5 - 18.7) (32.6 - 42.4) (17.3 - 23.0) (5.1 - 8.6) (1.4 - 7.8)
Witness 47.7 68.8 53.7 36.8 21.3 ***
(45.6 - 49.9) (63.9 - 73.4) (50.2 - 57.3) (33.4 - 40.3) (15.3 - 28.4)

Unarmed aggression

Victim 22.2 32.7 23.1 17.9 13.4 ***
(20.4 - 24.0) (28.1 - 37.7) (20.2 - 26.1) (15.2 - 20.6) (8.6 - 19.6)
Perpetrator 22.2 33.2 23.5 17.5 12.8 ***
(20.5 - 24.0) (28.6 - 38.2) (20.5 - 26.5) (14.8 - 20.2) (8.1 - 18.9)
Witness 29.5 43.4 29.8 24.5 19.5 ***
(27.6 - 31.5) (38.4 - 48.5) (26.6 - 33.1) (21.4 - 27.5) (13.7 - 26.4)

During life time

Armed threat

Victim 20.2 8.8 23.8 23.2 15.9 ***
(18.5 - 21.9) (6.2 - 12.1) (20.8 - 26.8) (20.2 - 26.2) (10.6 - 22.4)
Perpetrator 2.1 1.3 3.2 1.7 1.2
(1.5 - 2.8) (0.4 - 3.0) (2.0 - 4.5) (0.8 - 2.6) (0.1 - 4.3)
Witness 39.3 35.6 45.9 36.8 29.3 *
(37.2 - 41.4) (30.8 - 40.6) (42.3 - 49.5) (33.4 - 40.3) (22.4 - 36.9)

Severe threat

Victim 8.8 5.7 9.3 10.1 7.3
(7.6 - 10.0) (3.6 - 8.5) (7.3 - 11.3) (8.0 - 12.2) (3.8 - 12.4)
Perpetrator 0.7 0.8 0.8 0.6
(0.3 - 1.0) (0.2 - 2.3) (0.2 - 1.4) (0.1 - 1.2) ND
Witness 24.9 24.2 26.6 23.9 22.6
(23.0 - 26.7) (20.0 - 28.8) (23.5 - 29.8) (20.9 - 26.9) (16.4 - 29.7)

Unarmed robbery

Victim 21.5 19.0 21.3 24.1 15.9
(19.7 - 23.2) (15.2 - 23.2) (18.4 - 24.2) (21.1 - 27.1) (10.6 - 22.4)
Perpetrator 2.1 4.7 2.5 1.0 ***
(1.5 - 2.8) (2.8 - 7.3) (1.4 - 3.5) (0.3 - 1.8) ND
Witness 25.5 33.3 26.6 22.3 16.5 ***
(23.6 - 27.3) (28.6 - 38.3) (23.5 - 29.7) (19.3 - 25.2) (11.1 - 23.0)

Armed physical aggression

Victim 7.6 3.1 8.4 9.2 6.7 *
(6.5 - 8.7) (1.6 - 5.4) (6.4 - 10.4) (7.2 - 11.2) (3.4 - 11.7)
Perpetrator 1.9 0.8 2.5 1.9 1.2
(1.3 - 2.4) (0.2 - 2.3) (1.4 - 3.5) (1.0 - 2.9) (0.1 - 4.3)
Witness 33.3 27.8 37.1 34.1 24.4 ***
(31.3 - 35.3) (23.4 - 32.6) (33.7 - 40.6) (30.7 - 37.4) (18.0 - 31.7)

Sexual aggression

Victim 5.9 3.9 7.0 6.2 4.3
(4.9 - 6.9) (2.2 - 6.3) (5.2 - 8.8) (4.5 - 7.9) (1.7 - 8.6)
Perpetrator 1.1 1.6 1.8 0.5 ND *
(0.7 - 1.6) (0.6 - 3.4) (0.9 - 2.7) (0.0 - 1.0)
Witness 11.6 14.5 13.4 10.1 3.7 ***
(10.3 - 13.0) (11.2 - 18.5) (11.0 - 15.8) (8.0 - 12.2) (1.4 - 7.8)

n = 2095 n = 385 n = 774 n = 772 n = 164

Medellin, Colombia. 2007.

*P < 0.05 ** p < 0.01 *** p < 0.001

NA: Does not apply ND: No data