Table 3.

Full text publication vs unpublished papers (N = 621)

	Full text publication		Unpublished		p value
	N	%	N	%
Affiliation
University	120	28.4	302	71.6	<0.005
Non Universitary hospitals	3	3.2	90	96.8
Local Public Health Institution	5	15.2	28	84.8
Other	18	24.7	55	75.3
Topics
Food and nutrition	15	22.4	52	77.6	<0.005
Environment	13	27.7	34	72.3
Health education	21	21.6	76	78.4
Chronic disease	20	37.0	34	63.0
Infectious disease	16	18.4	71	81.6
Dental hygiene	5	71.4	2	28.6
Hospital hygiene	9	15.8	48	84.2
Miscellaneous	13	26.0	37	74.0
Organization	17	14.2	103	85.8
Vaccine	17	48.6	18	51.4
Year
2005	42	22.5	145	77.5	0.909
2006	41	23.6	133	76.4
2007	63	24.2	197	75.8
Abstract
Oral	54	36.2	95	63.8	<0.005
Poster	92	19.5	380	80.5
Geographic area
Northern Italy	53	25.1	158	74.9	0.568
Central Italy	60	21.5	219	78.5
Southern Italy	33	25.2	98	74.8
First author gender
Male	62	20.7	237	79.3	0.216
Female	84	26.4	234	73.6
Study design
Sperimental	21	33.3	42	66.7	0.051
Observational descriptive	47	18.5	207	81.5
Observational analytical	67	25.9	192	74.1
Revision	11	25	33	75
Results
Negative	4	9.8	37	90.2	<0.005
Positive	121	26.9	329	73.1
Not evaluable	21	16.3	108	83.7
Sample size
≤100	47	21.4	173	78.6	0.342
>100	99	24.7	301	75.3
Total score
Medium	30	16.1	156	83.9	<0.005
High	78	24.0	248	76.0
Very high	38	35.0	71	65.0