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. 2015 Jun 15;9(6):e0003838. doi: 10.1371/journal.pntd.0003838

Table 2. Acceptance and WTP for EVV.

Questions Ilaje (Lagos) n = 293 Ugba (Abia) n = 289 Χ 2 p-value
Is there EVV?
    Yes 8 (2.7) 119 (41.0)
    No 273(93.1) 59 (20.5) 126.06 0.0001
    Don’t know 12 (4.2) 111 (38.5)
Will you vaccinate EVV if available (pre-information)?
    Yes 234 (80.0) 230 (79.5)
    No 25 (8.5) 52 (18.1) 0.01 0.93
    Don’t Know 34 (11.5) 7 (2.4)
Post information acceptability of EVV? (n 1 = 293, n 2 = 289)
    Yes 253 (86.3) 237 (82.1) 2.06 0.1511
    No 40 (13.7) 52 (17.9)
When will you prefer to vaccinate? (n 1 = 253, n 2 = 237)
    i) Immediately 202 (79.8) 113 (47.7)
    ii) Later, after observing outcome on others 31 (12.2) 122 (51.5) 53.7 0.0001 β
    iii) Don’t know 20 (8.0) 2 (0.8)
Level of acceptance of EVV? (n 1 = 233, n 2 = 237)
        Mean willingness (Max. is 5). 4.3 3.7
    Unwilling 16 (6.9) 90 (37.8) 65.09 0.0001
    Willing 217 (93.1) 147 (62.2)
WTP for EVV? (n 1 = 233, n 2 = 237)
    Yes 212 (91.2) 207 (87.5)
    No 21 (8.8) 30 (12.5) 1.61 0.2
Amount WTP (n 1 = 212, n 2 = 207)
    Average Amount USD (naira) 10.8(1833.9) 15.3(2602.0)
≤USD5.9 (≤1000naira) 0.0 91 (43.9)
>USD5.9 - ≤ 29.4 (>1000 - ≤ 5000naira) 203 (95.7) 94 (45.2)
>USD29.4 (>5000naira) 9 (4.3) 22 (10.9) N/A N/A

n1 & n2 = analyzed sample size in Ajah & Umuahia respectively

β = Yates corrected.