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Table 1 Influenza vaccination frequencies in relation to AB knowledge and socio-demographic data

From: Associations between the prevalence of influenza vaccination and patient’s knowledge about antibiotics

    Flu vaccination 2009/2010 Flu vaccination 2010/2011 Both years flu vaccination
Variable Sub-variable All Yes No/Don’t know Yes No/Don’t know Yes No/Don’t know
   Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD)
AB-knowledge-Score 1.35 (0.99) 1.49 (1.06) 1.32 (0.98) 1.51 (1.06) 1.34 (0.98) 1.54 (1.07) 1.33 (0.98)
p    0.001 0.002 <0.001
   % (n) % (n) % (n) % (n) % (n) % (n) % (n)
All   100.0 (3224) 18.6 (593) 81.4 (2598) 14.0 (435) 86.0 (2675) 12.1 (383) 87.9 (2780)
Question 1d Correct 28.0 (894) 22.6 (201)a 77.4 (689)a 16.8 (148)a 83.2 (731)a 14.8 (131)a 85.2 (754)a
Not correct 72.0 (2298) 17.0 (386)b 83.0 (1886)b 12.7 (281)b 87.3 (1923)b 10.9 (246)b 89.1 (2003)b
p    <0.001 0.003 0.003
Question 2e Correct 32.7 (1043) 21.8 (226)a 78.2 (812)a 16.4 (167)a 83.6 (850)a 15.1 (156)a 84.9 (875)a
Not correct 67.3 (2149) 17.0 (361)b 83.0 (1763)b 12.7 (262)b 87.3 (1804)b 10.5 (221)b 89.5 (1882)b
p    0.001 0.005 <0.001
Question 3f Correct 74.2 (2368) 18.9 (445)a 81.1 (1906)a 14.4 (333)a 85.6 (1978)a 12.6 (295)a 87.4 (2039)a
Not correct 25.8 (824) 17.5 (142)a 82.5 (669)a 12.4 (96)a 87.6 (676)a 10.3 (82)a 89.8 (718)a
p    0.370 0.170 0.073
Sex Female 56.6 (1801) 18.9 (337)a 81.1 (1448)a 13.5 (235)a 86.5 (1506)a 11.9 (211)a 88.1 (1560)a
Male 43.4 (1382) 18.1 (247)a 81.9 (1121)a 14.3 (190)a 85.7 (1141)a 12.1 (164)a 87.9 (1189)a
p    0.555 0.562 0.868
Age 16–24 9.0 (290) 8.4 (24)a 91.6 (263)a 4.6 (13)a 95.4 (272)a 2.8 (8)a 97.2 (279)a
25–44 30.6 (985) 10.7 (105)a 89.3 (874)a 6.6 (64)a 93.4 (905)a 5.4 (53)a 94.6 (920)a
45–64 36.8 (1185) 17.1 (201)b 82.9 (975)b 11.9 (135)b 88.1 (1004)b 10.3 (120)b 89.7 (1046)b
65+ 23.7 (764) 35.1 (263)c 64.9 (486)c 31.1 (223)c 68.9 (494)c 27.4 (202)c 72.6 (535)c
p    <0.001 <0.001 <0.001
Educational level Primary 48.6 (1539) 17.6 (267)a 82.4 (1254)a 13.4 (198)a 86.6 (1276)a 11.2 (169)a 88.8 (1337)a
Secondary 37.5 (1185) 18.4 (217)a 81.6 (961)a 13.6 (157)a 86.4 (995)a 12.1 (141)a 87.9 (1025)a
Tertiary 13.9 (440) 22.5 (98)a 77.5 (338)a 16.3 (70)a 83.7 (360)a 14.5 (63)a 85.5 (372)a
p    0.065 0.307 0.183
Country of origin Austria 85.9 (2729) 18.9 (511)a 81.1 (2191)a 14.6 (384)a 85.4 (2253)a 12.5 (336)a 87.5 (2346)a
EU 15+ 3.2 (102) 22.8 (23)a 77.2 (78)a 13.1 (13)a,b 86.9 (86)a,b 12.1 (12)a 87.9 (87)a
New EU 28 2.9 (93) 16.1 (15)a 83.9 (78)a 11.0 (10)a,b 89.0 (81)a,b 9.8 (9)a 90.2 (83)a
  Others 8.0 (253) 13.9 (35)a 86.1 (216)a 7.9 (19)b 92.1 (222)b 6.9 (17)a 93.1 (229)a
p    0.150 0.030 0.054
Location of residence Urban 44.7 (1440) 22.8 (324)a 77.2 (1098)a 18.2 (253)a 81.8 (1140)a 15.7 (220)a 84.3 (1185)a
Rural 55.3 (1784) 15.2 (269)b 84.8 (1500)b 10.6 (182)b 89.4 (1535)b 9.3 (163)b 90.7 (1595)b
p    <0.001 <0.001 <0.001
Job Health care 6.0 (194) 26.8 (52)b 73.2 (142)b 18.2 (35)a 81.8 (157)a 15.0 (29)a 85.0 (164)a
Livestock farming 2.9 (93) 9.7 (9)c 90.3 (84)c 6.7 (6)a 93.3 (83)a 6.5 (6)a 93.5 (87)a
Kindergarten teacher 1.9 (60) 10.0 (6)a,b,c 90.0 (54)a,b,c 3.5 (2)a 96.5 (55)a 3.4 (2)a 96.6 (56)a
Others 80.6 (2598) 17.9 (461)a,c 82.1 (2113)a,c 13.8 (347)a 86.2 (2175)a 11.9 (305)a 88.1 (2251)a
p Not known 8.7 (279) 24.1 (65)a,b 75.9 (205)a,b 18.0 (45)a 82.0 (205)a 15.6 (41)a 84.4 (222)a
   <0.001 0.002 0.017
  1. a, b, cThe minuscule letters behind the percentages (a, b, c) represent a subset of the variable category which is not significantly different at a significance level of p < 0.05 if it is the same miniscule for the same category (column)
  2. dDo antibiotics kill viruses?
  3. eAre antibiotics effective against colds and flu?
  4. fDoes unnecessary use of antibiotics make them ineffective?