From: Systematic measurement error in self-reported health: is anchoring vignettes the way out?
Variables | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) |
---|---|---|---|---|---|---|---|---|---|---|---|
Education categories (ref category: no formal education) | |||||||||||
 Below primary | −0.05 | −0.04 | −0.06 | −0.09** | −0.08** | −0.12** | −0.06 | 0.01 | −0.07 | −0.05 | −0.09** |
 Primary | −0.09*** | −0.16*** | −0.16*** | −0.12*** | −0.09** | −0.12*** | −0.19*** | −0.17*** | −0.18*** | −0.14*** | −0.19*** |
 Secondary | −0.27*** | −0.22*** | −0.16** | −0.31*** | −0.23*** | −0.21*** | −0.09* | −0.22*** | −0.23*** | −0.31*** | −0.40*** |
 High school | −0.29*** | −0.28*** | −0.33*** | −0.25*** | −0.26*** | −0.22*** | −0.18*** | −0.33*** | −0.30*** | −0.43*** | −0.45*** |
 College and above | −0.58*** | −0.50*** | −0.54*** | −0.57*** | −0.44*** | −0.49*** | −0.39*** | −0.61*** | −0.61*** | −0.59*** | −0.69*** |
Individual characteristics | |||||||||||
 Male | −0.39*** | −0.07* | −0.03 | −0.29*** | −0.20*** | −0.18*** | −0.16*** | −0.25*** | −0.19*** | −0.30*** | −0.16*** |
Age groups (ref category: age 18–29.9 years) | |||||||||||
 30–44.9 | 0.31*** | 0.22*** | 0.38*** | 0.32*** | 0.39*** | 0.35*** | 0.34*** | 0.50*** | 0.43*** | 0.31*** | 0.29*** |
 45–60 | 0.70*** | 0.58*** | 0.68*** | 0.73*** | 0.82*** | 0.73*** | 0.66*** | 0.89*** | 0.76*** | 0.65*** | 0.70*** |
 Above 60 | 1.15*** | 0.95*** | 1.00*** | 1.06*** | 1.23*** | 1.11*** | 1.04*** | 1.24*** | 1.14*** | 1.09*** | 1.16*** |
Marital status | |||||||||||
 Currently married | 0.03 | −0.06 | −0.07* | −0.03 | −0.06** | −0.02 | −0.07** | −0.03 | −0.01 | −0.05* | −0.05 |
Household’s expenditure quintiles (ref category: Q3) | |||||||||||
 Q1 | 0.03 | 0.00 | 0.03 | 0.01 | −0.04 | −0.00 | −0.01 | 0.03 | 0.06 | −0.04 | −0.09*** |
 Q2 | 0.02 | 0.01 | −0.04 | −0.01 | −0.02 | 0.03 | −0.02 | 0.06 | 0.00 | 0.03 | −0.02 |
 Q4 | 0.02 | −0.02 | −0.02 | −0.02 | 0.06* | −0.01 | −0.01 | −0.00 | −0.03 | 0.00 | −0.02 |
 Q5 | 0.02 | −0.03 | −0.05 | −0.08** | 0.02 | 0.02 | −0.05 | −0.04 | −0.12*** | −0.05 | −0.06* |
 Religion (Hindu = 1) | −0.18*** | −0.14*** | −0.15*** | −0.17*** | −0.16*** | −0.10*** | −0.01 | −0.07** | −0.01 | −0.09*** | −0.11*** |
 Caste (SC/ST = 1) | 0.06*** | 0.02 | −0.04 | 0.06** | 0.03 | −0.01 | 0.03 | 0.07*** | 0.07** | 0.08*** | −0.01 |
Regional characteristics | |||||||||||
 Urban | −0.07*** | 0.00 | 0.00 | −0.06** | −0.20*** | −0.06* | 0.03 | −0.09*** | −0.10*** | −0.11*** | −0.01 |
 Underdeveloped | −0.27*** | −0.17*** | −0.21*** | −0.28*** | −0.16*** | −0.23*** | 0.25*** | −0.30*** | 0.02 | 0.15*** | 0.19*** |
BMI categories (measured) (ref category: normal BMI 18.5–24.9) | |||||||||||
 Underweight (BMI < 18.5) | 0.11*** | 0.15*** | 0.10*** | 0.08*** | 0.13*** | 0.11*** | 0.10*** | 0.07*** | 0.07** | 0.10*** | 0.12*** |
 Overweight (BMI 25–29.9) | 0.14*** | 0.08 | 0.05 | 0.02 | 0.08** | 0.10** | −0.03 | 0.15*** | 0.11** | 0.10** | 0.13*** |
 Obese (BMI > 30) | 0.36*** | 0.20** | 0.22** | 0.21*** | 0.26*** | 0.24*** | 0.06 | 0.33*** | 0.27*** | 0.23*** | 0.28*** |
Walk difficulty | |||||||||||
 Timed walk | 0.08 | −0.48 | −1.00*** | 0.13 | 0.39 | −0.55* | −0.31 | −−0.22 | −0.55* | −0.26 | −0.22 |
 Rapid walk | −0.71*** | −0.14 | 0.35 | −0.65** | −0.92*** | −0.17 | −0.04 | −0.13 | −0.04 | −0.46* | −0.44* |
 Interviewer assessment | −0.55*** | −0.51*** | −0.63*** | −0.50*** | −0.39*** | −0.56*** | −0.36*** | −0.64*** | −0.59*** | −0.43*** | −0.55*** |
 Observations | 10,873 | 10,873 | 10,873 | 10,873 | 10,873 | 10,873 | 10,873 | 10,873 | 10,873 | 10,873 | 10,873 |