From: Systematic measurement error in self-reported health: is anchoring vignettes the way out?
 | (1) | (2) | (3) | (4) |
---|---|---|---|---|
Variables | Vignette set A | Vignette set B | Vignette set C | Vignette set D |
Education categories | ||||
 Below primary | 0.02 | −0.03 | 0.04 | −0.11 |
 Primary | 0.00 | −0.05 | −0.05 | −0.10* |
 Secondary | −0.01 | −0.02 | 0.03 | −0.11* |
 High school | 0.00 | −0.01 | −0.01 | −0.03 |
 College and above | 0.01 | −0.02 | 0.11** | −0.05 |
Individual characteristics | ||||
 Male | −0.08*** | −0.01 | −0.07*** | 0.03 |
Age groups | ||||
 30–44.9 | 0.05 | 0.03 | 0.00 | 0.04 |
 45–60 | 0.02 | −0.01 | 0.04 | 0.10 |
 Above 60 | 0.11*** | −0.01 | 0.07* | 0.21*** |
Marital status | ||||
 Currently married | −0.01 | −0.06** | −0.02 | −0.05 |
BMI categories (measured) | ||||
 Underweight (BMI < 18.5) | −0.01 | 0.02 | 0.04* | 0.00 |
 Overweight (BMI 25–29.9) | −0.02 | −0.01 | −0.01 | −0.03 |
 Obese (BMI > 30) | 0.05 | −0.05 | 0.01 | −0.12 |
Household’s expenditure quintiles | ||||
 Q1 | −0.16*** | −0.07** | −0.01 | 0.02 |
 Q2 | −0.08** | 0.01 | 0.01 | 0.03 |
 Q4 | −0.11*** | 0.01 | −0.00 | 0.11* |
 Q5 | −0.05 | −0.01 | 0.02 | 0.11* |
 Religion (Hindu = 1) | −0.04 | −0.01 | −0.00 | −0.06 |
 Caste (SC/ST = 1) | 0.08*** | −0.01 | −0.05** | 0.17*** |
Regional characteristics | ||||
 Urban | −0.06** | −0.02 | −0.06** | −0.02 |
 Underdeveloped | −0.09*** | −0.12*** | −0.22*** | −0.47*** |
 Constant | −0.29*** | −0.16*** | −0.44*** | 2.45*** |
 Observations | 2673 | 2728 | 2770 | 2698 |
 R-square | 0.03 | 0.02 | 0.04 | 0.07 |