Prevalence of helminth and coccidian parasites in Swedish outdoor cats and the first report of Aelurostrongylus abstrusus in Sweden: a coprological investigation

Table 3 Characterization of the study population: number, proportion, 95% exact binomial confidence intervals (CI) and results of univariate logistic analyses of the parasite-positive cats by the main variables (outcome variable = presence of parasites yes/no)

Variable	Trait	Number of positive samples	Number of samples	Proportion of positive samples	Exact binomial 95% CI	Wald test	p value
Gender	Female	21	96	0.22	[0.14–0.31]	1.20	0.28
Gender	Male	31	109	0.28	[0.20–0.38]	1.20	0.28
Neutering	No	31	127	0.24	[0.17–0.33]	0.16	0.69
Neutering	Yes	21	78	0.27	[0.18–0.38]	0.16	0.69
Age	<1 year	7	22	0.32	[0.14–0.55]	0.12	0.73
Age	≥1 year	45	180	0.25	[0.19–0.32]	0.12	0.73
Breed	Purebred	7	50	0.14	[0.06–0.27]	4.60	0.032
Breed	Crossbred	44	148	0.30	[0.23–0.38]	4.60	0.032
Testing period	Jan–Mar	12	49	0.24	[0.13–0.39]	1.30	0.73
	Apr–Jun	6	20	0.30	[0.12–0.54]
	Jul–Sep	6	33	0.18	[0.07–0.35]
	Oct–Dec	28	103	0.27	[0.19–0.37]
Observation of proglottids on fur	No	21	122	0.17	[0.11–0.25]	11.2	0.0008
Observation of proglottids on fur	Yes	30	77	0.39	[0.28–0.51]	11.2	0.0008
Last deworming treatment	Never	2	13	0.15	[0.02–0.45]	1.60	0.44
	<1 year before	29	95	0.31	[0.21–0.41]
	≥1 year before	16	65	0.25	[0.15–0.37]
Deworming frequency	Never	11	53	0.21	[0.11–0.34]	2.50	0.25
	Once/year	21	83	0.25	[0.16–0.36]
	Twice/year or more	19	56	0.34	[0.22–0.48]

ISSN: 1751-0147