Table 3 The Cronbach’s α coefficients of internal consistency of the questionnaire.

From: Reliability and validity of a questionnaire measuring knowledge, attitude and practice regarding “oil, salt and sugar” among canteen staff

Items

Cronbach’s α

No. of items

Overall

0.822

63

Knowledge

0.830

21

Attitude

0.752

20

Practice

0.700

22

Back to article page