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This table contains information on variables related to respiratory questions.  You can find out more about these variables in Skylark.


^MRC respiratory questions ^1966 ^1971 ^1977 ^1982 ^1989 ^1999 ^2006-10 ^2014 ^
|Do you usually cough first thing in the morning in winter? |WIC66 |WIC71 |WIC77 |WIC82 |WIC89 |WIC |WIC09 |WIC14x |
|Do you usually cough during the day or night in winter? |WID66 |WID71 |WID77 |WID82 |WID89 |WID |WID09 |WID14x |
|Do you cough like this on most days for as much as 3 months each year? |WIM66 |WIM71 |WIM77 |WIM82 |WIM89 |WIM |WIM09 |WIM14x |
|Do you usually bring up phlegm first thing in th morning in the winter? |PHL66 |PHL71 | |PHL82 |PHL89 |PHL |PHL09 |PHL14x |
|Do you usually bring up phlegm during the day or night in winter? |PHLD66 |PHLD71 | |PHLD82 |PHLD89 |PHLD |PHLD09 |PHLD14x |
|Do you bring up phlegm on most days for as much as 3 months each year? |PHLM66 |PHLM71 | |PHLM82 |PHLM89 |PHLM |PHLM09 |PHLM14x |
|In the past 3 years, have you had a period of cough and phlegm lasting for 3 weeks or more? |COPH66 |COPH71 | |COPH82 |COPH89 |COPH |COPH09 |COPH14x |
|Does your chest ever sound wheezy or whistling? |WZY66 |WZY71 | |WZY82 |WZY89 |WZY |WZY09 |WZY14x |
|Do you get this most days (or nights)? |WZYD66 |WZYD71 | |WZYD82 |WZYD89 |WZYD |WZYD09 |WZYD14x |
|During the past 3 years, have you had any chest illnesses eg bronchitis, pneumonia, which has kept you off work or indoors for a week or more? |BRONC66 |BRONC71 |BRONC77 |BRONC82 |BRONC89 |BRONC |BRONC09 |BRONC14x |
|How many illnesses like this have you had in the last 3 years? |NUM66 |NUM71 | |NUM82 |NUM89 |NUM |BRONN09 |BRONN14x |
|Did you consult a doctor about this during the last 3 years? | | | | | |BROND |BROND09 |BROND14x |