Table 1 The modification of the original version of the Knee Self-Efficacy Scale

Present

Present

A - Daily activities

A - Daily activities

How certain are you about:

How certain are you about:

 1 taking a walk in the forest

 1 walking in the forest

 2 climbing up and down stairs

 2 walking down stairs/down hill

 3 going out dancing

moved to section B

 3 running to catch the bus

 4 jumping ashore

deleted

 4 working in the garden

 5 running after children

deleted

 5 cleaning at home

 6 running for the tram/bus

rephrased

 7 working in the garden

B - Sport and leisure activities

B - Sport and leisure activities

How certain are you about:

How certain are you about:

 1 bicycling long distance

 1 cycling longer distance

 2 cross-country skiing

 2 cross-country skiing

 3 horseback riding

deleted

 3 swimming

 4 swimming

 4 dancing

 5 hiking in the mountains

 5 hiking in the mountains

C - Physical activities

C - Physical activities

How certain are you about:

How certain are you about:

 1 squatting

 1 squatting

 2 jumping sideways from one leg to the other

 2 jumping sideways from one leg to the other

 3 working out hard a short time after an injury

deleted

 3 hopping on the injured leg

 4 performing a one-leg hop on the injured leg

 4 quickly changing direction

 5 moving around in a small boat

deleted

 6 doing fast twisting

Future

Future

D - Your knee function in the future

D - Your knee function in the future

How certain are you that:

How certain are you that:

 1 you can participate on the same activity levels before the injury

rephrased

 1 your knee will get well

 2 you will not have new knee injuries

 2 you can return to the same physical activity level as before your injury

 3 you that your knee will not “break down”

rephrased

 3 you will not have new knee injuries

 4 your knee will not get worse than before surgery (only if you have had surgery)

rephrased

 4 your knee will get better than before surgery (only if you have undergone surgery)