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Table 3 Recreational activities

From: Risk factors for human Leptospira seropositivity in South Germany

Comparison of exposure groups “frequent” or “occasional” vs. “rare” or “never”

Proportion of Leptospira IgG positive subjects

Corrected

Exposed

Non-exposed

RR [95 % CI]

Exposed

Non-exposed

RR [95 % CI]

Surfing/kiting

33.3 % (1/3)

4.1 % (41/989)

8.0 [0.5; 1.2]

38.2 % (1.1/3)

3.8 % (37.9/989)

10.0 [0.6; 29.6]

Sailing

14.3 % (1/7)

4.2 % (41/985)

3.4 [0.2; 3.1]

15.8 % (1.1/7)

3.8 %(37.9/985)

4.1 [0.2; 19.4]

Diving

11.1 % (1/9)

4.2 % (41/983)

2.7 [0.2; 1.0]

12.0 % (1.1/9)

3.9 % (37.9/983)

3.1 [0.2; 15.9]

Any watersport

8.9 % (5/56)

3.9 % (37/944)

2.3 [0.9; 5.3]

9.5 % (5.3/56)

3.6 % (33.6/944)

2.7 [1.0; 6.7]

Canoeing, kayaking, rowing

6.3 % (1/16)

4.2 % (41/976)

1.5 [0.1; 7.0]

6.3 % (1.0/16)

3.9 % (38.0/976)

1.6 [0.1; 10.1]

Bathing in inland waters

5.6 % (9/160)

3.9 % (33/842)

1.4 [0.7; 2.9]

5.6 % (8.9/160)

3.6 % (30.0/842)

1.6 [0.7; 3.3]

Traveling to tropics

5.3 % (9/171)

4.0 % (33/830)

1.3 [0.6; 2.7]

5.1 % (8.8/171)

3.6 % (30.1/830)

1.4 [0.6; 3.0]

Other watersports not mentioned in this table

3.6 % (1/28)

4.4 % (39/886)

0.8 [0.1; 4.1]

3.2 % (0.9/28)

4.1 % (36.6/886)

0.8 [0.0; 4.7]

Traveling to Mediterranean

3.8 % (27/713)

5.2 % (15/288)

0.7 [0.4; 1.4]

3.4 % (24.3/713)

5.1 % (14.6/288)

0.7 [0.3; 1.4]

Rod fishing

0.0 % (0/10)

4.3 % (42/984)

0.0 [0.0; 6.9]

0.0 % (0/10)

4.0 % (39.1/984)

0.0 [0.0; 7.4]