Table 3.

Factors associated with NIs’ prescription during influenza epidemics since 2009 among 32,458 ILI patients seen in GPs’ consultation (univariate and multivariate analysis)

			Univariate analysis			Multivariate analysis N=31,154
Variable	N	Treated with NIs n (%)	OR	OR (IC 95%)	p	OR	OR (IC 95 %)	P
Male	15,657	1,419 (9.1)	1.08	[1.01 ; 1.17]	0.047	-
Female	16,289	1,374 (8.4)
Age ≥ 65 yo with chronic underlying disease	327	105 (32.1)	6.46	[5.10 ; 8.18]	<0.001	7.54	[5.86 ; 9.70]	<0.001
Age ≥ 65 yo without chronic underlying disease	986	70 (7.1)	1.04	[0.81 ; 1.34]	0.737	1.35	[1.04 ; 1.74]	0.023
Age <65 yo with chronic underlying disease	1,134	607 (53.5)	15.72	[13.87 ; 17.82]	<0.001	14.85	[13.00 ; 16.97]	<0.001
Age <65 yo without chronic underlying disease	29,640	2,023 (6.8)
Seasonal influenza vaccinated	1,363	262 (19.2)	2.64	[2.29 ; 3.04]	<0.001	-
Not seasonal influenza vaccinated	30,620	2,533 (8.3)
Obesity	303	126 (41.6)	7.73	[6.13 ; 9.75]	<0.001	4.67	[3.50 ; 6.22]	<0.001
No obesity	31,793	2,681 (8.4)
Hospitalisation requested	131	17 (13.0)	1.55	[0.93 ; 2.58]	0.094	-
No hospitalisation requested	31,352	2,757 (8.8)
Pandemic A(N1N1)2009	8,918	1,440 (16.1)	3.03	[2.81 ; 3.28]	<0.001	3.19	[2.93 ; 3.48]	<0.001
Seasonal influenza epidemic	23,540	1,405 (6.0)