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. 2011 Jul 19;11:575. doi: 10.1186/1471-2458-11-575

Table 2.

Trends over time in government trust, fear/worry, perceived vulnerability, an intention to adopt protective measures and to accept vaccination

Period 1 Period 2 Period 3
1. Trust in government
Mean (SD) 9.29 (2.66)a 8.61 (2.62)b 8.52 (2.64)b

MD with previous period - - 0.68 - 0.09

95% C.I. for MD with previous period - (0.84) - (0.52) (0.26) - 0.07

Scale 0 - 15


2. Fear/worry about influenza A (H1N1)

Mean (SD) 2.11 (1.41) 2.10 (1.35) 2.01 (1.33)

MD with previous period - - 0.01 - 0.01

95% C.I. for MD with previous period - (0.09) - 0.07 (0.1) - 0.07

Scale 0 - 7


3. Perceived vulnerability

Mean (SD) 1.59 (0.97)a 2.31 (1.06)c 2.42 (1.09)d

Mean difference with previous period - 0.72 0.11

95% C.I. for MD with previous period - 0.66 - 0.78 0.04 - 0.18

Scale 0 - 5


4. Intention to adopt protective measures

Yes (%) 27.6a 45.0c 54.2d

MD with previous period - 0.1 0.09

95% C.I. for MD with previous period 0.15 - 0.20 0.06 - 0.12

Scale 0 - 1


5. Intention to accept vaccination

Yes (%) - 39.9 43.1

MD with previous period - - 0.03

95% C.I. for MD with previous period 0.00 - 0.06

Scale 0 - 1

a: significant difference with period 2 - 3 (p < 0.001)

b: significant difference with period 1 (p < 0.001)

c: significant difference with period 1 - 3 (p < 0.001)

d: significant difference with period 1 - 2 (p < 0.001)

SD = standard deviation; MD = Mean difference; C.I. = Confidence Interval