group name
1 = unsupervised
2 = supervised

1 = male
2 = female

1 = businessman
2 = executive
3 = housewife
4 = others

onset of pain
1 = 3 months before
2 = 6 months before
3 = 9 months before
4 = 12 months before
5 = more than a year

previous treatment
1 = no treatment
2 = orthopaedic
3 = self medication
4 = general practitioner

previous physiotherapy treatment
1 = yes
2 = no

symptoms status
1 = improving
2 = unchanging
3 = worsening

aggravating factors
1 = walk
2 = stair climbing
3 = low sitting
4 = ecsessive movement of joint

releiving factors
1 = rest
2 = painkillers
3 = rest+painkillers

pain duration
1 = constant
2 = intermittent

side involved
1 = right
2 = left
3 = both