Table 1.
A. Language | ||||||
---|---|---|---|---|---|---|
English | French | Total | ||||
Initially interviewed | 112 | 110 | 222 | |||
Completed both NVS versions | 90 | 90 | 180 | |||
B. Participant assessments by I-NVS and C-NVS | ||||||
English (n 180) | French (n 180) | Overall (n 360) | ||||
NVS score* | n | % | n | % | n | %‡ |
Score=0 | 17 | 9·4 | 22 | 12·2 | 39 | 10·8 |
Score=1 | 28 | 15·5 | 27 | 15·0 | 55 | 26·1 |
Score=2 | 14 | 7·8 | 26 | 14·4 | 40 | 37·2 |
Score=3 | 8 | 4·4 | 18 | 10·0 | 26 | 49·4 |
Score=4 | 25 | 13·9 | 20 | 11·1 | 45 | 56·9 |
Score=5 | 22 | 12·2 | 33 | 18·3 | 55 | 72·2 |
Score=6 | 66 | 36·6 | 34 | 18·9 | 100 | 100·0 |
C. Mean NVS score by language | ||||||
NVS version | Mean | sd | n | |||
English | Computer | 3·86a | 2·24 | 90 | ||
Paper | 3·77 | 2·17 | 90 | |||
Overall | 3·81a | 2·02 | 180 | |||
French | Computer | 3·41b | 1·96 | 90 | ||
Paper | 3·06b | 2·20 | 90 | |||
Overall | 3·23b | 2·09 | 180 | |||
English+French | Computer | 3·63 | 2·11 | 180 | ||
Paper | 3·41 | 2·21 | 180 | |||
Overall | 3·52 | 2·16 | 360 | |||
D. NVS score by language and treatment order† | ||||||
Treatment order | NVS version | Mean | sd | n | ||
English (n 90) | ||||||
Paper–computer | Computer | 3·79 | 2·21 | 72 | ||
Paper | 3·64 | 2·10 | 72 | |||
Computer–paper | Computer | 4·11 | 2·37 | 18 | ||
Paper | 4·28 | 2·49 | 18 | |||
French (n 90) | ||||||
Paper–computer | Computer | 3·53 | 2·15 | 70 | ||
Paper | 3·19 | 2·22 | 70 | |||
Computer–paper | Computer | 3·00 | 1·59 | 20 | ||
Paper | 2·60 | 2·14 | 20 |
I-NVS, interviewer-administered version of NVS; C-NVS, computerized version of NVS.
a,bMean values were significantly different from the rest at P<0·05.
Number of correct answers.
There was no significant effect of format (C-NVS, I-NVS) and order of testing on participants’ NVS numerical scores (McNemar’s test; P=0·8375).
‡Cumulative percentage.