Table 4 Estimates of the multilevel linear regression model of the relationship between log transformed normalized rSP03B OD values and sampling time, location and dog seropositivity to L. infantum. “Dog” was included as a random effects variable

Intercept

2.79

0.06

<0.001

Sampling month

February 2016

Ref

–

–

August 2016

0.39

0.06

<0.001

October 2016

0.09

0.03

0.003

January 2017

-0.13

0.03

<0.001

April 2017

-0.06

0.03

0.016

Location

Aiguaviva

Ref

–

–

Ordis

0.06

0.10

0.563

Madremanya

-0.04

0.09

0.652

Vidreres

-0.03

0.10

0.783

Massanes

0.05

0.08

0.533

Hostalnou de Bianya

-0.16

0.09

0.074

Montagut

0.18

0.09

0.035

St. Esteve de Llémena

-0.10

0.10

0.287

Canet d'Adri

-0.05

0.10

0.641

St. Feliu de Guíxols

-0.19

0.14

0.173

Riells i Viabrea

-0.08

0.08

0.302

Vilobí d'Onyar

-0.06

0.08

0.399

L. infantum seropositivity

Seronegative

Ref

–

–

Seropositive

0.07

0.03

0.032