Full journal publication of abstracts presented at the Nordic Congress of General Practice in 2009 and 2011

Figures & data

Table 1. Characteristics and unadjusted logistic regression of accepted abstracts for the Nordic conferences 2009 and 2011 stratified by publication status.

Characteristics		Not published papers	Published papers	Total	p value	Odds ratio (95% CI)	p value	Relative importance (%)
Congress year	2009	58 (50.4)	29 (34.1)	87 (43.5)		1
	2011	57 (49.6)	56 (65.9)	113 (56.5)	.0214	1.97 (1.10; 3.50)	.0221	6.95
Presentation form	Poster	53 (46.1)	26 (30.6)	79 (39.5)		1
	Oral	62 (53.9)	59 (69.4)	121 (60.5)	.0267	1.94 (1.08; 3.50)	.0276	4.44
Affiliation of first author	Others	55 (47.8)	17 (20.0)	72 (36.0)		1
	University	60 (52.2)	68 (80.0)	128 (64.0)	<.0001	3.67 (1.92; 6.99)	<.0001
Affiliation of last author	Others	58 (50.4)	15 (17.7)	73 (36.5)		1
	University	57 (49.6)	70 (82.4)	127 (63.5)	<.0001	4.75 (2.44; 9.25)	<.0001	25.35
Country of first author	Rest of the world	12 (10.4)	2 (2.3)	17 (7.0)		1
	Scandinavian	103 (89.6)	83 (97.7)	186 (93.0)	.0278^a	4.83 (1.05; 22.20)	.0428	–
Country of last author	Rest of the world	6 (6.2)	2 (2.4)	8 (4.5)		1
	Scandinavian	91 (93.6)	80 (97.6)	171 (95.5)	.2965^a	2.64 (0.52; 14.44)	.2431	–
Research area	Health care	88 (76.5)	45 (52.9)	133 (66.5)		1
	Clinical	27 (23.48)	40 (47.1)	67 (33.5)	.0005	2.90 (1.58; 5.31)	.0006	9.83
Number of authors	(1–2)	47 (40.9)	14 (16.5)	61 (30.5)		1
	(3–4)	41 (35.65)	43 (50.6)	84 (42.0)		3.52 (1.69; 7.34)	.0008
	4<	27 (23.48)	28 (32.9)	55 (27.5)	.001	3.48 (1.57; 7.73)	.0022	16.29
Research stage	Planning phase	19 (16.5)	2 (2.4)	21 (10.5)		1
	Data gathering phase	14 (21.2)	16 (18.8)	30 (15.0)		10.86 (2.14; 55.08)	.0040
	Concluded project	82 (71.3)	67 (78.8)	149 (74.5)	.0031^a	7.76 (1.75; 34.52)	.0071	18.93
Research method	Quantitative	72 (62.6)	65 (76.5)	137 (68.5)		1
	Qualitative	19 (16.5)	18 (21.2)	37 (18.5)		1.05 (0.51; 2.17)	.8965
	Mixed	9 (7.9)	1 (1.2)	10 (5.0)		0.123 (0.02; 0.10)	.0498
	Other	15 (13.0)	1 (1.2)	16 (8.0)	.0005^a	0.07 (0.01; 0.58)	.0128	18.22

^a Monte Carlo simulated p value.

Country of first and last author was removed from the multivariate analysis (low cell count).

Figure 1. Flow of the study.

Figure 2. Full publication of abstracts accepted for the two Congresses.

Table 2. Multivariate logistic analysis on accepted abstracts from Nordic conferences 2009 and 2011 stratified by publication status.

	Odds ratio	95% CI	p value
Affiliation to a university
None^a	1
Mixed^a	2.52	(0.86; 7.37)	.0930
Both^a	4.23	(1.71; 10.42)	.0018
Research area
Health care	1
Clinical	1.64	(0.80; 7.37)	.1754
Number of authors
(1–2)	1
(3–4)	2.43	(1.07; 5.54)	.0340
4<	2.17	(0.87; 5.42)	.0990
Research method
Quantitative	1
Qualitative	1.36	(0.57; 3.24)	.4836
Mixed	0.54	(0.06; 5.00)	.5842
Other	0.17	(0.02; 1.51)	.1118
Research stage
Planning phase	1
Data gathering phase	10.13	(1.74; 59.05)	.0100
Concluded project	8.39	(1.69; 41.62)	.0092

^a Affiliation of first author and last author.