| |
Overall (n = 455)
|
Intervention (n-417)
|
Comparative (n = 38)
| |
|---|
|
Certification status
|
n
|
Average No. of failed indicators (SD)
|
95 % Conf. Interval
|
n
|
Average No. of failed indicators (SD)
|
95 % Conf. Interval
|
n
|
Average No. of failed indicators (SD)
|
95 % Conf. Interval
|
p-value
|
|---|
|
Certification without comments
|
1
|
0
| | | | |
1
|
0
| | |
|
Certification with minor comment
|
126
|
4.19 (2.6)
|
3.74–4.64
|
115
|
4.08 (2.6)
|
3.60–4.56
|
11
|
5.36 (1.8)
|
4.23–6.50
|
0.116
|
|
Certification with major comment
|
134
|
9.01 (5.1)
|
8.14–9.87
|
123
|
8.62 (4.8)
|
7.75–9.48
|
11
|
13.36 (5.7)
|
9.85–16.88
|
0.026
|
|
Certifieda
|
261
|
6.65 (4.7)
|
6.07–7.22
|
238
|
6.42 (4.5)
|
5.84–7.00
|
23
|
8.96 (6.0)
|
6.35–11.56
|
0.062
|
|
Failed GPP certification
|
194
|
13.64 (6.0)
|
12.79–14.49
|
179
|
13.27 (5.8)
|
12.41–14.12
|
15
|
18.07 (6.8)
|
14.30–21.84
|
0.003
|
|
Totala
|
455
|
9.63 (6.3)
|
9.04–10.21
|
417
|
9.36 (6.1)
|
8.77–9.95
|
38
|
12.55 (7.7)
|
10.02–15.09
|
0.017
|
-
a
t-test with unequal variances; SD: standard deviation