From: Survival analysis of African catfish and Nile tilapia briefly exposed to complex pesticide mixtures
Pesticide | Species | df | Parameter estimate | SE | Chi-square | Hazard ratio | |
---|---|---|---|---|---|---|---|
Atrazine-Mancozeb | African catfish* | 15 min | 1 | − .482b | .913 | .279 | .618b |
30 min | 1 | − 1.168b | 1.155 | 1.022 | .311b | ||
45 min | 1 | − 1.138b | 1.155 | .972 | .320b | ||
60 min | 3 | 1.596 | |||||
Tilapia* | 15 min | 1 | − .754b | .707 | 1.137 | .470b | |
30 min | 1 | − .843b | .708 | 1.418 | .431b | ||
45 min | 1 | − .054b | .577 | .009 | .947b | ||
60 min | 3 | 2.397 | |||||
Atrazine-Chlorpyrifos | African catfish* | 15 min | 1 | .423b | .646 | .429 | 1.526b |
30 min | 1 | .559b | .627 | .795 | 1.749b | ||
45 min | 1 | .610b | .627 | .947 | 1.840b | ||
60 min | 3 | 1.076 | |||||
Tilapia | 15 min | 1 | − 1.931a | .571 | 11.455 | .145a | |
30 min | 1 | − 1.612a | .493 | 10.675 | .199a | ||
45 min | 1 | − 1.242a | .448 | 7.679 | .289a | ||
60 min | 3 | 18.875 | |||||
Atrazine-Lambda cyhalothrin | African catfish* | 15 min | 1 | − .998b | .690 | 2.092 | .369b |
30 min | 1 | − .453b | .586 | .599 | .636b | ||
45 min | 1 | − .431b | .586 | .540 | .650b | ||
60 min | 3 | 2.194 | |||||
Tilapia | 15 min | 1 | − 2.279a | .758 | 9.054 | .102a | |
30 min | 1 | − 1.561a | .568 | 7.550 | .210a | ||
45 min | 1 | − .793b | .444 | 3.196 | .452b | ||
60 min | 3 | 14.563 | |||||
Mancozeb-Chlorpyrifos | African catfish* | 15 min | 1 | − .741b | .866 | .732 | .477b |
30 min | 1 | − .334b | .764 | .191 | .716b | ||
45 min | 1 | − .026b | .707 | .001 | .974b | ||
60 min | 3 | .921 | |||||
Tilapia | 15 min | 1 | − 1.303b | .678 | 3.694 | .272b | |
30 min | 1 | − .925b | .613 | 2.279 | .396b | ||
45 min | 1 | − .932b | .613 | 2.314 | .394b | ||
60 min | 3 | 5.206 | |||||
Mancozeb-Lambda cyhalothrin | African catfish* | 15 min | 1 | − .760b | .707 | 1.154 | .468b |
30 min | 1 | − .477b | .646 | .547 | .620b | ||
45 min | 1 | − .471b | .646 | .533 | .624b | ||
60 min | 3 | 1.361 | |||||
Tilapia | 15 min | 1 | − 2.315a | .767 | 9.116 | .099a | |
30 min | 1 | − 1.549a | .581 | 7.111 | .212a | ||
45 min | 1 | − 1.131a | .503 | 5.051 | .323a | ||
60 min | 3 | 14.770 | |||||
Chlorpyrifos-Lambda cyhalothrin | African catfish* | 15 min | 1 | − 1.144a | .534 | 4.591 | .319a |
30 min | 1 | − .834b | .502 | 2.768 | .434b | ||
45 min | 1 | − .557b | .457 | 1.487 | .573b | ||
60 min | 3 | 5.718 | |||||
Tilapia* | 15 min | 1 | − 2.146a | .765 | 7.868 | .117a | |
30 min | 1 | − .644b | .476 | 1.828 | .525b | ||
45 min | 1 | .084b | .401 | .044 | 1.087b | ||
60 min | 3 | 10.384 | |||||
Quaternary | African catfish* | 15 min | 1 | − 1.090a | .542 | 4.051 | .336a |
30 min | 1 | − .784b | .509 | 2.374 | .457b | ||
45 min | 1 | − .797b | .509 | 2.446 | .451b | ||
60 min | 3 | 5.407 | |||||
Tilapia* | 15 min | 1 | − 1.268b | .817 | 2.409 | .281b | |
30 min | 1 | − .855b | .707 | 1.460 | .425b | ||
45 min | 1 | − .326b | .606 | .290 | .722b | ||
60 min | 3 | 3.104 |