Twins
1 = SINGLE
2 = MULTIPLE
9 = NO RESPONSE

Sex of child
1 = BOY
2 = GIRL
9 = NO RESPONSE

Day of birth
99 = NO RESPONSE

Month of birth
1 = JANUARY
2 = FEBRUARY
3 = MARCH
4 = APRIL
5 = MAY
6 = JUNE
7 = JULY
8 = AUGUST
9 = SEPTEMBER
10 = OCTOBER
11 = NOVEMBER
12 = DECEMBER
96 = NO RESPONSE

Year of birth
9999 = NO RESPONSE

Still alive
1 = YES
2 = NO

Line number of child in HH
0 = NOT LISTED

Age at death (units)
1 = DAYS
2 = MONTHS
3 = YEARS
9 = DK / NO RESPONSE

Any other between births
1 = YES
2 = NO
9 = DK

Date flag for BH4C
1 = Month and year
2 = Month and age -y imp
3 = Year and age - m imp
4 = Y & age - y ignored
5 = Year - a, m imp
6 = Age - y, m imp
7 = Month - a, y imp
8 = None - all imp

Date flag for BH9C
0 = No flag
1 = > interview
2 = < breastfeeding
3 = < age supplemented
4 = < first breastfed
5 = < last vaccination
6 = Outside range
7 = Imputed, units given
8 = Imputed, no units

Area
1 = URBAN
2 = RURAL

Region
1 = Batken
2 = Jalal-Abad
3 = Issyk-kul
4 = Naryn
5 = Osh
6 = Talas
7 = Chui
8 = Bishkek c
9 = Osh c

Ethnicity of household head
1 = Kyrgyz
2 = Russian
3 = Uzbek
6 = Other ethnicity
9 = Missing/DK

Education
1 = Pre-school or none/Primary
2 = Basic secondary
3 = Complete secondary
4 = Professional primary/middle
5 = Higher
9 = DK/Missing

Functional difficulties (age 18-49 years)
1 = Has functional difficulty
2 = Has no functional difficulty

Birth order
1 = 1
2 = 2-3
3 = 4-6
4 = 7+

Mother's age at birth
1 = <20
2 = 20-34
3 = 35+

Previous birth interval
0 = First birth
1 = <2 years
2 = 2 years
3 = 3 years
4 = 4+ years

Wealth index quintile
1 = Poorest
2 = Second
3 = Middle
4 = Fourth
5 = Richest

Wealth index decile
1 = 1st decile
2 = 2nd decile
3 = 3rd decile
4 = 4th decile
5 = 5th decile
6 = 6th decile
7 = 7th decile
8 = 8th decile
9 = 9th decile
10 = 10th decile

1 = Batken - urban
2 = Batken - rural
3 = Jala-Abad - urban
4 = Jala-Abad - rural
5 = Issyk-kul - urban
6 = Issyk-kul - rural
7 = Naryn - urban
8 = Naryn - rural
9 = Osh - urban
10 = Osh - rural
11 = Talas - urban
12 = Talas - rural
13 = Chui - urban
14 = Chui - rural
15 = Bishkek city - urban
16 = Osh city - urban