Step 1: The variable plb0057_v3 is recoded (1 2 6=-2) (3=1) (4=1) (5=2) for the years 1998, 1999, 2003 to 2006 and 2009 to 2011 and subsequently integrated into the harmonized variable plb0057_h2.
Step 2: The variable plb0057_v4 is recoded (1=1) (2=1) (3=2) for the years 2000 to 2020 and subsequently integrated into the harmonized variable plb0057_h2, if plb0057_v3 does not apply to the person asked or plb0057_v3 is not included in that version of the questionnaire or plb0057_v3 is 1 or plb0057_v3 was not included in the survey program that year.
Step 3: The variable plb0057_v5 is recoded (1=1) (2=1) (3=2) for the years 2000 to 2020 and subsequently integrated into the harmonized variable plb0057_h2, if plb0057_v3 does not apply to the person asked or plb0057_v3 is not included in that version of the questionnaire or plb0057_v3 is 2 or plb0057_v3 was not included in the survey program that year.
Step 4: The variable plb0057_v6 is recoded (1=1) (2=1) (3=2) for the years 2000 to 2020 and subsequently integrated into the harmonized variable plb0057_h2, if plb0057_v3 does not apply to the person asked or plb0057_v3 is not included in that version of the questionnaire or the variable plb0057_v3 is within the range of 3 - 5 or plb0057_v3 was not included in the survey program that year.
Step 5: The variable plb0057_v7 is recoded (1=-2) for the years 2000 to 2020 and subsequently integrated into the harmonized variable plb0057_h2, if plb0057_v3 does not apply to the person asked or plb0057_v3 is not included in that version of the questionnaire or plb0057_v3 is 6 or plb0057_v3 was not included in the survey program that year.
Step 6: The variable plb0057_h2 is replaced with -2 for the years 2014 to 2020.
Step 7: The variable plb0057_h2 is replaced with 1 for the year 2022, if the variable plb0057_v10 is within the range of 0 - 9.
Step 8: The variable plb0057_h2 is replaced with 2 for the year 2022, if plb0057_v10 is greater than 9.
Step 9: The variable plb0057_h2 is replaced by the variable plb0057_v10 for the year 2022, if plb0057_v10 is less than 0.
Step 1: The variable plb0057_v3 is recoded (1 2 6=-2) (3=1) (4=1) (5=2) for the years 1998, 1999, 2003 to 2006 and 2009 to 2011 and subsequently integrated into the harmonized variable plb0057_h2.
Step 2: The variable plb0057_v4 is recoded (1=1) (2=1) (3=2) for the years 2000 to 2020 and subsequently integrated into the harmonized variable plb0057_h2, if plb0057_v3 does not apply to the person asked or plb0057_v3 is not included in that version of the questionnaire or plb0057_v3 is 1 or plb0057_v3 was not included in the survey program that year.
Step 3: The variable plb0057_v5 is recoded (1=1) (2=1) (3=2) for the years 2000 to 2020 and subsequently integrated into the harmonized variable plb0057_h2, if plb0057_v3 does not apply to the person asked or plb0057_v3 is not included in that version of the questionnaire or plb0057_v3 is 2 or plb0057_v3 was not included in the survey program that year.
Step 4: The variable plb0057_v6 is recoded (1=1) (2=1) (3=2) for the years 2000 to 2020 and subsequently integrated into the harmonized variable plb0057_h2, if plb0057_v3 does not apply to the person asked or plb0057_v3 is not included in that version of the questionnaire or the variable plb0057_v3 is within the range of 3 - 5 or plb0057_v3 was not included in the survey program that year.
Step 5: The variable plb0057_v7 is recoded (1=-2) for the years 2000 to 2020 and subsequently integrated into the harmonized variable plb0057_h2, if plb0057_v3 does not apply to the person asked or plb0057_v3 is not included in that version of the questionnaire or plb0057_v3 is 6 or plb0057_v3 was not included in the survey program that year.
Step 6: The variable plb0057_h2 is replaced with -2 for the years 2014 to 2020.
Step 7: The variable plb0057_h2 is replaced with 1 for the year 2022, if the variable plb0057_v10 is within the range of 0 - 9.
Step 8: The variable plb0057_h2 is replaced with 2 for the year 2022, if plb0057_v10 is greater than 9.
Step 9: The variable plb0057_h2 is replaced by the variable plb0057_v10 for the year 2022, if plb0057_v10 is less than 0.