CLOSER Discovery

Variable Description

Representation

Type

Code List

Selection Style

SelectOne

Codes

A_BWTEL

• -9

  missing

• -8	inapplicable

• -2

  refusal

• -1	don't know

• 1

  early

• 2

  late

Aggregation Method

Unspecified

Temporal

False

Geographic

False

Source Questions

fertilityhistory w1(bwtel)

• Wave 1 Questionnaire

275 questions before...

fertilityhistory w1(bwtxp)

Was [NAME] born within one week of the expected due date?

1

Yes

2

No

fertilityhistory w1(bwtel)

Was [NAME] born early or late?

1

Early

2

Late

fertilityhistory w1(bwtwk)

How many weeks [early/late] was [NAME]?

ROUND UP HALF WEEKS

fertilityhistory_w1_bwtwk

413 questions after...

View the complete questionnaire

Wave 1 Questionnaire

Lineage

• Wave 1 Information about natural children Dataset - a_bwtel

  child born early or late
  • qi_fertilityhistory_w1_bwtel

    Was [NAME] born early or late?

Variable Groups