previous pregnancy or birth
0 = no
1 = yes

0 = 0
1 = 1
2 = 2
3 = 3
4 = 4
5 = 5
6 = 6
7 = 7
8 = 8
9 = 9
10 = 10

frequency of worrying
0 = not at all
1 = to a slight degree
2 = to a moderate degree
3 = to a great degree
4 = all the time

consider periods regular
0 = no
1 = yes
2 = unsure

when pain starts in cycle
1 = mid cycle
2 = 2 days before
3 = 1 day before
4 = with the menstrual flow
5 = after beginning of menstrual flow

duration of pain
1 = 1 day
2 = 2 days
3 = 3 days
4 = the whole time period lasts

age
1 = 18-22 years
2 = 23-27 years
3 = 28-32 years
4 = 33-37 years
5 = 38-42 years
6 = 43-47 years

race/enthnicity
1 = chhetri
2 = brahmin
3 = newar
4 = other

religion
1 = hindu
2 = buddhist
3 = other

current level of study
1 = undergraduate
2 = postgraduate
3 = Mphil
4 = Mres
5 = doctorate