Variable Description

Name
j131a
Label
Date of LMP Preg #1 - Month
Dataset
access
Valid Invalid Min Max Mean
2840 6661 1 12 6.72

Representation

Type
Numeric
Variable is a Weight
False
Aggregation Method
Unspecified
Temporal
False
Geographic
False

Source Questions

A9 b(i)

26 questions before...
If 0 go to A10 on page 12
A9 b(i)

For these pregnancies please give: date of your last menstrual period before the pregnancy (if you remember it)

Generic date
A9 b(ii)

For these pregnancies please give: what happened:

1
miscarriage
2
abortion/termination for unwanted pregnancy
3
termination for problem (please describe)
4
still pregnant
5
baby born
6
other (please describe)
Generic text
314 questions after...
View the complete questionnaire
Mothers New Questionnaire

Lineage

  • ALSPAC Mothers New Questionnaire Dataset - j131a
    Date of LMP Preg #1 - Month
    • qi_A9_b_i
      For these pregnancies please give: date of your last menstrual period before the pregnancy (if you remember it)

Variable Groups