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Table 2 Paired t-test table comparing the mean scores in the four domains and mean total scores on KCAHW questionnaire at first and second time of KCAHW questionnaire administration

From: Knowledge about childhood autism among health workers (KCAHW) questionnaire: description, reliability and internal consistency

Domains A&B Paired Mean Difference Stand. Dev. Stand. Error Mean 95% C.I Lower 95% C.I Upper t df Sig (2tailed)
Domain 1 A & B 0.00 0.64 0.09 - 0.18 0.18 0.00 49 1.00
Domain 2 A & B -0.20 0.40 0.06 -0.32 -0.09 -3.50 49 0.00
Domain 3 A & B 0.20 0.40 0.06 0.09 0.32 3.50 49 0.00
Domain 4 A & B -0.20 0.76 0.11 -0.42 0.02 -1.87 49 0.07
Total A & B -0.20 0.76 0.11 -0.42 0.02 -1.87 49 0.07
  1. A – First time administration of KCAHW questionnaire
  2. B – Second time administration of KCAHW questionnaire