|Study variables||IHDS response categories||Recoded response categories|
“What was place of delivery for your last pregnancy?”
This variable included three categories: Government hospital, private nursing home, home.|
‘Home’ used as reference category.
|0 = Home1 = Health facility|
Number of antenatal care contacts|
“How many antenatal care checkups have you had during your last pregnancy?”
‘Less than 4 contacts’ used as reference category.
|0 = Less than 4 contacts1 = 4–7 contacts2 = 8 or more contacts|
|Exposure to ASHA worker||Based on whether the respondent answered yes/ ASHA worker to any of these questions: “Where did you get a pregnancy card made?”; “Did you get help from anyone for making a pregnancy card/registration?”; “Who visited you when you were pregnant?”; “Who facilitated or motivated you to go to a health facility for delivery?”; “Who arranged the transportation to take you to the health facility for delivery?”.||0 = No1 = Yes|
This variable included five categories: no education, primary education (pre-primary to the completion of 5th grade of schooling), secondary education (6th grade to the completion of 10th grade); Higher secondary and above higher secondary (beyond 10th grade).|
‘No education’ was used as the reference category.
|0 = no education1 = primary education 2 = secondary education 3 = Higher secondary 4 = Above higher secondary (beyond 10th grade).|
|Spouse’s education||Same as above|
This variable included five categories: Forward caste (brahmins); Forward castes (excluding brahmins); Other Backward Classes; Scheduled Castes and Schedules Tribes.|
‘Forward caste (Brahmin)’ was used as the reference category.
This variable included seven categories: Hindu, Muslim, Christian, Sikh, Buddhist, Jain and Tribals.|
‘Hindu’ was used as the reference category.
|0 = Hindu1 = Muslim2 = Other religions|
|Place of residence||
This variable included two categories: Rural, Urban|
‘Rural’ was used as reference category.
|Age at marriage||
Continuous variable representing woman’s age at marriage.|
‘Below 18 years’ was used a reference category.
|0 = Below 18 years 1 = 18 years and above|
|Respondent’s age||Continuous variable representing respondent’s age.||No recoding|
|Spouse’s age||Continuous variable representing spouse’s age.||No recoding|
|Number of children||Continuous variable representing number of children born.||No recoding|
|Annual Household Wage||Continuous variable representing annual household wage based on the sum of wage and salary incomes across all jobs of all individuals in the household.||No recoding|