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Table 1 Descriptive statistics of variables of interest in datasets 1 and 2

From: Parasitic sea louse infestations on wild sea trout: separating the roles of fish farms and temperature

Variable Acronyma Dataset 1 Dataset 2
n Mean ± SD Range n Mean ± SD Range
Attached lice count NliceA 424 24.73 ± 50.46 0–770 1051 17.3 ± 38.4 0–770
Log (attached lice count) - standardized NliceA_std 424 0.01 ± 1.00 -1.44–2.59 1051 0.0 ± 1.0 -1.3–2.98
Mobile (adult) lice count NliceM 424 11.79 ± 16.8 0–105 1051 15.3 ± 23.2 0–249
Log (mobile lice count) - standardized NliceM_std 424 0.00 ± 1.00 -1.42–2.06 1051 0.0 ± 1.0 -1.43–2.36
Temperature °C   424 9.83 ± 1.99 5.96–13.84 na na na
Temperature - standardized T 424 0.00 ± 1.00 -1.933–2.004 na na na
Estimate lice exposure   424 4,884,096 ± 6,660,133 10,060–3.77×107 na na na
Log (estimate lice exposure) - standardized IP 424 14.03 ± 2.10 9.22–17.44 na na na
Day   na na na 1051 158.0 ± 19.2 95–214
  1. aAcronym used throughout the manuscript and in all tables
  2. Abbreviations: n number of observations, log log-transformed variable using the natural logarithm, SD standard deviation, na not available, NliceA number of attached stages of lice, NliceM number of adult or mobile stages of lice, T, standardized water temperatures described in the text, IP estimated infestation pressure described in the text