NSHD46 : Data-Field 8646

Data-Field 8646

Description:	Do you usually bring up any phlegm during the day or at night in winter?
Category:	Questionnaire data ⏵ Health and medical history ⏵ Respiratory problems

Participants

4,123

Categorical (single)

Both sexes

Jan 2026

9,937

Data

Defined (9)

N/A

Complete

Primary

dX oX sX

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Data

9,937 items of data are available, covering 4,123 participants, encoded using Data-Coding 1154.
Defined-instances run from 24 to 32, labelled using Instancing 1.

Data has not been summarised because combining instances would be misleading.

4 Instances

Instance 24 : 1989 - Survey carried out at age 43 years.
3,204 participants, 3,204 items
Graph illustrating main data

Instance 26 : 2006-2010 - Survey carried out at age 60 to 64 years.
2,416 participants, 2,416 items
Graph illustrating main data

Instance 27 : 2014 - Survey carried out at age 68 years.
2,409 participants, 2,409 items
Graph illustrating main data

Instance 32 : 2022 - Survey carried out at age 76 years.
1,908 participants, 1,908 items
Graph illustrating main data

Notes

phld89 - Do you usually bring up any phlegm during the day or at night in winter? - at age 43 years, phld09 - Do you usually bring up any phlegm during the day or at night in winter? - at age 60-64 years, phld14x - Do you usually bring up any phlegm during the day or at night in winter? - at age 68 years, phld22x - Do you usually bring up any phlegm during the day or at night in winter? - at age 76 years

0 Related Data-Fields

There are no related data-fields

0 Resources

There are no matching Resources

National Survey of Health and Development 1946 Cohort