Table 1 Operational definition
From: Happiness and air quality: microdata analysis in Indonesia
Variable type | Variable | Operational definition | Data type |
|---|---|---|---|
Dependent | Happiness | Subjective happiness level | Ordinal with four categories: 1 = Low 2 = Medium 3 = High 4 = Very high |
Independent | Air quality | IKU, which is a component of IKLH | Nominal with two categories: 0 = below the 2021 IKU target 1 = meets the 2021 KPI target |
Control | Gender | Gender | Nominal with two categories: 0 = female, 1 = male |
Age | Respondent's age at last birthday | Nominal | |
Housing area per capita | House area per capita (m2) Housing area occupied and used in daily life, divided by the number of household members | Nominal | |
Marital status | Marital status at the time of the survey | ||
Marry | The respondent's marital status is married | Nominal with two categories: 1 = married 0 = not married | |
Divorced | The respondent's marital status is divorced | Nominal with two categories: 1 = divorced 0 = not divorced | |
Widowed | The respondent's marital status is widowed | Nominal with two categories: 1 = widowed 0 = not widowed | |
Health status | How often do respondents experience health complaints such as gastritis, headaches, coughs, colds, asthma/shortness of breath, diarrhea/wasting water, or other complaints for the last 6 months | ||
Usually sick | Respondents usually get sick | Nominal with two categories: 1 = usually get sick 0 = not usually get sick | |
Often sick | Respondents often get sick | Nominal with two categories: 1 = often get sick 0 = not often get sick | |
Rarely sick | Respondents rarely get sick | Nominal with two categories: 1 = rarely get sick 0 = not rarely get sick | |
Never sick | Respondents have never been sick | Nominal with two categories: 1 = never get sick 0 = ever get sick |