Step 1: The variable plb0057_v1 is recoded (1 2 5=-2) (3=1) (4=2) for the years 1984 to 1996 and subsequently integrated into the harmonized variable plb0057_h2.
Step 2: The variable plb0057_v2 is recoded (1 =3) (2=4) (3 4=-2) for the year 1990 and subsequently integrated into the harmonized variable plb0057_h2 if plb0057_v1 is not included in that version of the questionnaire.
Step 3: The variable plb0057_v3 is recoded (1 2 6=-2) (3=1) (4=1) (5=2) for the years 1997 to 2013 and subsequently integrated into the harmonized variable plb0057_h2.
Step 4: The variable plb0057_v4 is recoded (1=1) (2=1) (3=2) for the years 2000 to 2013 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.
Step 5: The variable plb0057_v5 is recoded (1=1) (2=1) (3=2) for the years 2000 to 2013 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.
Step 6: The variable plb0057_v6 is recoded (1=1) (2=1) (3=2) for the years 2000 to 2013 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 to 5.
Step 7: The variable plb0057_v7 is recoded (1=-2) for the years 2000 to 2013 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.
Step 8: The variable plb0057_h2 is replaced with -2 for the years 2014 to 2023.
Step 9: The variable plb0057_v8 is recoded (1=1) (2=1) (3=2) for the years 2014 to 2021 and subsequently integrated into the harmonized variable plb0057_h2.
Step 10: The variable plb0057_h2 is replaced with 1 for the years 2021 to 2025 if the variable plb0057_v10 is within the range of 0 to 9.
Step 11: The variable plb0057_h2 is replaced with 2 for the years 2021 to 2025 if plb0057_v10 is greater than 9.
Step 12: The variable plb0057_h2 is replaced with -1 for the years 2024 to 2025 if plb0057_v10 is -1.
Step 13: The variable plb0057_h2 is replaced with -2 for the years 2024 to 2025 if plb0057_v10 does not apply to the person asked.
Step 1: The variable plb0057_v1 is recoded (1 2 5=-2) (3=1) (4=2) for the years 1984 to 1996 and subsequently integrated into the harmonized variable plb0057_h2.
Step 2: The variable plb0057_v2 is recoded (1 =3) (2=4) (3 4=-2) for the year 1990 and subsequently integrated into the harmonized variable plb0057_h2 if plb0057_v1 is not included in that version of the questionnaire.
Step 3: The variable plb0057_v3 is recoded (1 2 6=-2) (3=1) (4=1) (5=2) for the years 1997 to 2013 and subsequently integrated into the harmonized variable plb0057_h2.
Step 4: The variable plb0057_v4 is recoded (1=1) (2=1) (3=2) for the years 2000 to 2013 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.
Step 5: The variable plb0057_v5 is recoded (1=1) (2=1) (3=2) for the years 2000 to 2013 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.
Step 6: The variable plb0057_v6 is recoded (1=1) (2=1) (3=2) for the years 2000 to 2013 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 to 5.
Step 7: The variable plb0057_v7 is recoded (1=-2) for the years 2000 to 2013 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.
Step 8: The variable plb0057_h2 is replaced with -2 for the years 2014 to 2023.
Step 9: The variable plb0057_v8 is recoded (1=1) (2=1) (3=2) for the years 2014 to 2021 and subsequently integrated into the harmonized variable plb0057_h2.
Step 10: The variable plb0057_h2 is replaced with 1 for the years 2021 to 2025 if the variable plb0057_v10 is within the range of 0 to 9.
Step 11: The variable plb0057_h2 is replaced with 2 for the years 2021 to 2025 if plb0057_v10 is greater than 9.
Step 12: The variable plb0057_h2 is replaced with -1 for the years 2024 to 2025 if plb0057_v10 is -1.
Step 13: The variable plb0057_h2 is replaced with -2 for the years 2024 to 2025 if plb0057_v10 does not apply to the person asked.