Systematic measurement error in self-reported health: is anchoring vignettes the way out?

Table 1 Descriptive statistics

Variables	Mean	Std. Dev.
Education categories
No formal education	0.45	0.50
Below primary	0.10	0.31
Primary	0.16	0.36
Secondary	0.12	0.33
High school	0.11	0.31
College and above	0.06	0.24
Individual characteristics
Male	0.39	0.49
Age groups
18–29.9	0.14	0.34
30–44.9	0.22	0.41
45–60	0.32	0.47
Above 60	0.32	0.47
Marital status
Currently married	0.78	0.42
BMI categories (measured)
Underweight (BMI < 18.5)	0.35	0.48
Normal (BMI 18.5–24.9)	0.51	0.50
Overweight (BMI 25–29.9)	0.11	0.31
Obese (BMI > 30)	0.03	0.17
Household characteristics
Household’s expenditure quintiles
Q1	0.21	0.41
Q2	0.16	0.37
Q3	0.22	0.42
Q4	0.22	0.41
Q5	0.17	0.38
Religion (Hindu = 1)	0.84	0.37
Caste (SC/ST = 1)	0.41	0.49
Regional characteristics
Urban	0.25	0.43
Underdeveloped dummy (=1 for states: Rajasthan, UP)	0.38	0.49
N = 10873