1 = male
2 = female

difficulty in walking up the stairs
1 = no
2 = a little
3 = some
4 = a lot

bother: difficulty in walking up the stairs
1 = not at all
2 = a little
3 = quite a lot
4 = very much

difficulty getting to sleep
1 = never
2 = occassionally
3 = often
4 = (almost) always

you had a good night's sleep
1 = (almost) always
2 = often
3 = occassionally
4 = never

talk to others in confidence
1 = often
2 = occassionally
3 = seldom
4 = never

energetic
1 = no
2 = a little
3 = quite
4 = very