Table 6 Result of weighted kappa for ordinal scale

Items in knowledge scale

 Exercise is necessary to maintain good health

 < 0.001

 Exercise can be aerobic or anaerobic

 < 0.001

 Aerobic exercise include jogging, swimming, biking, running, brisk walking

 < 0.001

 Exercise should be done continually throughout life for good health

 < 0.001

 Regular exercise maintaining a normal blood pressure range

 < 0.001

 Regular exercise increasing and maintaining muscular strength and endurance

 < 0.001

 Regular exercise increasing and maintaining flexibility

 < 0.001

 Doing regular exercise is good for my fitness and health

 < 0.001

 I should exercise regularly for my health

 < 0.001

Items in the attitude scale

 I feel that I have no time of my own and daily exercises Take away my valuable time

 < 0.001

 I feel that exercise takes away most of my energy

 < 0.001

 I use little soreness from previous exercises or being tired as an excuse to keep away yourself from further exercises exercising more

 < 0.001

 I give up on exercising owing to a difficulty of sticking to a schedule

 < 0.001

 Household chores such as dishwashing is an exercises good enough to maintain health

 < 0.001

 I need someone to keep reminding me to exercise

 < 0.001

 Exercise does more harm than good

 < 0.001