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] |