Gender
|
Male
|
71
|
67.6 (n = 48)
|
32.4 (n = 23)
|
0.080
|
1.00
|
Reference
|
Female
|
3
|
66.6 (n = 2)
|
33.4 (n = 1)
|
1.04
|
0.96–3.49
|
Age (years)
|
< 25
|
12
|
41.7 (n = 5)
|
58.3 (n = 7)
|
0.037
|
1.00
|
Reference
|
26–35
|
36
|
83.3 (n = 30)
|
16.7 (n = 6)
|
4.83
|
3.49–6.20
|
36–45
|
20
|
60.0 (n = 12)
|
40.0 (n = 8)
|
1.75
|
1.27–3.16
|
> 46
|
5
|
60.3 (n = 3)
|
39.7 (n = 2)
|
2.33
|
1.61–4.35
|
Province
|
Central
|
10
|
69.9 (n = 7)
|
30.1 (n = 3)
|
0.442
|
1.00
|
Reference
|
Eastern
|
5
|
79.4 (n = 4)
|
20.6 (n = 1)
|
1.71
|
1.26–4.29
|
North-Central
|
16
|
68.7 (n = 11)
|
31.3 (n = 5)
|
0.94
|
0.79–2.66
|
Northern
|
2
|
50.0 (n = 1)
|
50.0 (n = 1)
|
0.43
|
0.15–3.51
|
North-Western
|
9
|
77.9 (n = 7)
|
22.1 (n = 2)
|
1.50
|
1.15–3.57
|
Sabaragamuwa
|
5
|
60.3 (n = 3)
|
39.7 (n = 2)
|
0.64
|
0.42–0.89
|
Southern
|
6
|
100.0 (n = 6)
|
0 (n = 0)
|
2.14
|
1.49–4.68
|
Uva
|
10
|
69.9 (n = 7)
|
30.1 (n = 3)
|
1.00
|
0.87–2.91
|
Western
|
12
|
33.3 (n = 4)
|
66.7 (n = 8)
|
0.21
|
0.08–0.53
|
Education level
|
Grade 6–11
|
30
|
70.0 (n = 21)
|
30.0 (n = 9)
|
0.360
|
1.00
|
Reference
|
GCE O/L
|
31
|
58.0 (n = 18)
|
42.0 (n = 13)
|
0.64
|
0.44–1.71
|
GCE A/L
|
12
|
83.3 (n = 10)
|
16.7 (n = 2)
|
2.14
|
1.49–3.85
|
Graduate
|
1
|
100.0 (n = 1)
|
0 (n = 0)
|
0.43
|
0.21–1.18
|
Rank
|
Private
|
24
|
58.3 (n = 14)
|
41.7 (n = 10)
|
0.625
|
1.00
|
Reference
|
Lance Corporal/Corporal
|
37
|
75.6 (n = 28)
|
24.4 (n = 9)
|
2.22
|
1.54–3.33
|
Sergeant/staff Sergeant/Warrant Officers
|
9
|
66.4 (n = 6)
|
33.6 (n = 3)
|
1.43
|
1.12–3.03
|
2nd Lieutenant/Lieutenant/Captain
|
2
|
50.0 (n = 1)
|
50.0 (n = 1)
|
0.71
|
0.58–1.60
|
Major and above
|
2
|
50.0 (n = 1)
|
50.0 (n = 1)
|
0.71
|
0.58–1.60
|
Unit
|
Infantry
|
35
|
77.2 (n = 27)
|
22.8 (n = 8)
|
0.235
|
1.00
|
Reference
|
Support
|
23
|
52.1 (n = 12)
|
47.9 (n = 11)
|
0.32
|
0.21–1.26
|
Service
|
14
|
71.4 (n = 10)
|
28.6 (n = 4)
|
0.74
|
0.49–1.54
|
Sri Lanka Army Women’s Corps
|
2
|
50.0 (n = 1)
|
50.0 (n = 1)
|
0.30
|
0.23–1.08
|
History of working/travel in to the jungles
|
Yes
|
25
|
68.0 (n = 17)
|
32.0 (n = 8)
|
0.950
|
1.00
|
Reference
|
No
|
49
|
67.4 (n = 33)
|
32.6 (n = 16)
|
1.03
|
1.00–2.06
|
History of overseas travel
|
Yes
|
4
|
75.0 (n = 3)
|
25.0 (n = 1)
|
0.540
|
1.00
|
Reference
|
No
|
70
|
67.1 (n = 47)
|
32.9 (n = 23)
|
0.91
|
0.75–2.59
|
Continent of travel
|
Asia
|
2
|
50.0 (n = 1)
|
50.0 (n = 1)
|
0.710
|
1.00
|
Reference
|
Out of Asia
|
2
|
50.0 (n = 1)
|
50.0 (n = 1)
|
1.00
|
0.91–3.92
|
Not travelled
|
70
|
67.1 (n = 47)
|
32.9 (n = 23)
|
2.04
|
1.44–4.86
|
Use of insect repellant
|
Yes
|
10
|
40.0 (n = 4)
|
60.0 (n = 6)
|
0.045
|
1.00
|
Reference
|
No
|
64
|
71.9 (n = 46)
|
28.1 (n = 18)
|
3.83
|
2.69–5.21
|
Use of mosquito nets
|
Yes
|
65
|
69.2 (n = 45)
|
30.8 (n = 20)
|
0.411
|
1.00
|
Reference
|
No
|
9
|
55.7 (n = 5)
|
44.3 (n = 4)
|
1.80
|
0.99–3.22
|
Type of sleeves in the upper part of the uniform
|
Short sleeves
|
62
|
72.6 (n = 45)
|
27.4 (n = 17)
|
0.036
|
1.00
|
Reference
|
Long sleeves
|
12
|
41.7 (n = 5)
|
58.3 (n = 7)
|
3.71
|
2.59–4.98
|
Length of trousers of uniform
|
Short trouser
|
14
|
85.7 (n = 12)
|
14.3 (n = 2)
|
0.107
|
1.00
|
Reference
|
Long trousers
|
60
|
63.4 (n = 38)
|
36.6 (n = 22)
|
3.47
|
2.41–5.06
|
Footwear
|
Boots
|
25
|
63.9 (n = 16)
|
36.1 (n = 9)
|
0.27
|
1.00
|
Reference
|
Slippers
|
27
|
85.2 (n = 23)
|
14.8 (n = 4)
|
3.23
|
2.24–4.57
|
Does not wear foot wear regularly
|
4
|
74.5 (n = 3)
|
25.5 (n = 1)
|
1.69
|
1.04–4.09
|
Shoes
|
28
|
64.3 (n = 18)
|
35.7 (n = 10)
|
1.01
|
0.97–2.14
|