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. 2018 Apr 17;13(4):e0196020. doi: 10.1371/journal.pone.0196020

Table 3. Rates of support by administration mode and country.

  UK  Italy 
Outcome variable CAWI CATI Differencea CAWI CATI Differencea
(1) (2) (1)-(2) (1) (2) (1)-(2)
ADVBANCHILD 0.71 0.83 -0.12 *** 0.57 0.82 -0.25 ***
ADVBANADULT 0.47 0.57 -0.10 ** 0.47 0.68 -0.21 ***
SOCIALMKTG 0.52 0.70 -0.18 *** 0.77 0.90 -0.13 ***
EDUSCHOOL 0.86 0.95 -0.10 *** 0.82 0.98 -0.16 ***
EDUWORK 0.30 0.52 -0.22 *** 0.56 0.65 -0.09 **
LABELING 0.72 0.90 -0.17 *** 0.84 0.96 -0.12 ***
MENUS 0.50 0.55 -0.04 0.58 0.64 -0.06
INDCOOPER 0.63 0.78 -0.15 *** 0.75 0.90 -0.15 ***
INDAWARDS 0.53 0.69 -0.15 *** 0.73 0.85 -0.12 ***
FATTAX 0.44 0.60 -0.16 *** 0.54 0.64 -0.11 **
THINSUBS 0.58 0.69 -0.11 *** 0.77 0.84 -0.08 **
VOUCHERS 0.50 0.68 -0.18 *** 0.75 0.82 -0.08 **
VENDBAN 0.54 0.69 -0.15 *** 0.42 0.60 -0.17 ***
SCHOOLMEAL 0.66 0.86 -0.20 *** 0.75 0.91 -0.16 ***
WORKMEAL 0.22 0.36 -0.14 *** 0.70 0.76 -0.06
VOLUNTSTD 0.66 0.81 -0.15 *** 0.74 0.88 -0.14 ***
COMPSTD 0.58 0.78 -0.20 *** 0.71 0.87 -0.15 ***
FREEADS 0.53 0.68 -0.15 *** 0.73 0.90 -0.17 ***
ACCESS 0.53 0.73 -0.20 *** 0.71 0.87 -0.16 ***
VAT 0.58 0.78 -0.20 *** 0.60 0.69 -0.09 **
Sample sizes 250 249     251 250    

Notes: Rates of support are computed as the ratio between the number of those who agreed/strongly agreed to the policy statement and the total number of respondents including those who chose the ‘don’t know’ option.

a Asterisks refer to significance levels from a mean comparison t-test assuming unequal variances

*** = 0.01 s.l.

** = 0.05 s.l.