Table:
selected incident characteristic
women
men

percent
95% confidence interval
percent
95% confidence interval

from
to
from
to

number of perpetrators

one
64.4
61.6
67.2
48.5
45.4
51.5

more than one
15.2
13.3
17.2
20.3
17.9
22.9

don't know
19.7
17.6
22.0
30.8
28.1
33.7

sex of perpetrator

male
50.9
47.8
53.9
27.4
24.7
30.3

female
12.1
10.2
14.3
15.8
13.5
18.4

multiple perpetrators, both male and female
2.7
2.1
3.6
2.7
1.8
4.0

don't know
33.0
30.4
35.8
52.6
49.5
55.7

relationship of perpetrator to victim

family member
11.7
10.0
13.7
6.7
5.2
8.5

friend, neighbour, or acquaintance
22.3
19.8
25.0
15.6
13.4
18.1

teacher, professor, supervisor, manager, or boss
0.2
0.1
0.3
0.8
0.4
1.5

co-worker or classmate
4.4
3.1
6.3
3.3
2.3
4.7

stranger or known by sight only
31.1
28.2
34.2
24.7
22.1
27.7

other
1.5
1.1
2.1
1.9
1.2
3.2

don't know
27.9
25.5
30.3
45.8
42.9
48.8

spoke to anyone about the incident

did not talk to anyone
20.9
18.9
23.0
38.7
35.7
41.9

the police
6.1
5.1
7.4
5.7
4.3
7.5

friends
56.3
53.5
59.0
36.3
33.3
39.4

family members
44.0
40.9
47.2
30.9
28.1
33.8

neighbours
3.3
2.5
4.2
2.4
1.8
3.3

co-workers
16.4
14.3
18.8
12.8
10.9
14.9

online friends
7.9
6.5
9.5
7.9
6.4
9.7

a lawyer
3.4
2.6
4.4
2.0
1.4
3.0

a counsellor, psychologist, or social worker
9.1
7.7
10.8
3.3
2.4
4.6

internet service provider
1.6
1.1
2.3
1.7
1.1
2.5

the administrators of the service or website where the incident occurred
8.3
6.2
10.9
4.3
3.2
5.7

other
2.8
2.1
3.7
2.9
2.1
4.1

Statement: among women, 28% did not know the relationship of the perpetrator to them in the past 12 months of 2018.
Question: among women, what is the percentage of them who did not know the relationship of the perpetrator to them in the past 12 months of 2018?
Answer: [27.9]