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Table 2 Reliability tests of 8 items of awareness and action toward heart attack symptoms and risk factors

From: Development of questionnaire on awareness and action towards symptoms and risk factors of heart attack and stroke among a Malaysian population

Questions Corrected Item-Total Correlation Cronbach’s Alpha if Item Deleted
Q1-Have you ever heard about heart attack? 0.372 .785
Q2-Do you know anyone who had heart attack before? 0.274 .786
Q3- Have you ever received any information related to heart attack? (e.g. Heart attack-related public service announcements, promotional materials, educational leaflets or attended any seminar on heart attack)
A- Yes or NO
If yes, please specify: What the source of information you received?
0 .497 .779
 3b-have you ever received any information related to heart attack by TV? .275 .786
 3c-have you ever received any information related to heart attack by internet? .238 .788
 3d-have you ever received any information related to heart attack by Books? .145 .790
 3e-have you ever received any information related to heart attack by media? .302 .785
 3f-have you ever received any information related to heart attack by promotional leaflets? .138 .790
 3 g-have you ever received any information related to heart attack by Health care professionals? .188 .789
 3 h-have you ever received any information related to heart attack by seminars? .225 .788
 3i-have you ever received any information related to heart attack by others? .096 .791
Q4- How do you identify the symptoms of heart attack?
If you think the following symptoms are related to the symptoms of heart attack, please answer ‘Yes’; if you do not think so, answer ‘No’; if you are unsure, answer ‘I do not know’.
  
 4a- Do you think sudden pain or discomfort in jaw, neck, or back? .359 .782
 4b- Do you think weakness or dizziness? .438 .778
 4c-Do you think sudden pain or discomfort able in the chest? .345 .783
 4d-Do you think sudden disturbance of vision in one or both eyes? .251 .789
 4e- Do you think sudden pain or discomfort in arms or shoulders? .353 .783
 4f- Do you think sudden shortness of breath? .299 .785
Q5-sudden heart attack requires a prompt treatment? .318 .785
Q6-If someone shows signs and symptoms of heart attack, what do you think should do first?   
 6a-Take them to hospital. −.137 .801
 6b- Call his/her doctors −.217 .794
 6c- Call an ambulance. .050 .794
 6d- Call police. .047 .791
 6e- Contact their family. −.148 .793
 6f- Other actions? .119 .791
 6 g- Do not know −.378 .794
Q7 (If you want to call an ambulance do you know the phone number .274 .786
 7a-If yes (Please specify the phone number) .271 .786
Q8-Have you heard about the risk factors of heart attack? .363 .784
 8a- Do you think smoking are the major factor of heart attack? .242 .787
 8b- Do you think obesity are the major factors of heart attack? .335 .784
 8c- Do you think diabetes are the major factors of heart attack? .349 .784
 8d- Do you think exercise are the major factors of heart attack? .301 .785
 8e- Do you think unhealthy diet are the major factors of heart attack? .358 .783
 8f- Do you think stress are the major factors of heart attack? .455 .780
 8 g- Do you think high blood pressure are the major factors of heart attack? .504 .777
 8 h- Do you think alcohol is the major factors of heart attack? .366 .783
 8i- Do you think genetic is the major factors of heart attack? .249 .787
 8j- Do you think atrial fibrillation is the major fact of heart attack? .311 .785
 8 k- Do you think high cholesterol is the major factor of heart attack? .371 .783
 8 l- Do you think lack of exercise is the major factors of heart attack? .316 .785
 8 m- Do you think heart disease is the major factor of heart attack? .193 .789