Codebook for: "Supporting information for National, regional, and worldwide estimates of low birthweight rates in 2015, with trends from 2000: a systematic analysis"

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Data produced by the World Health Organization, UNICEF, LSHTM and Johns Hopkins University to estimate national low birthweight (LBW) and numbers for 195 countries. LBW data was collated through a systematic review of national routine/registration systems, nationally representative surveys, and other data sources, and subsequently modelled using restricted maximum likelihood estimation with country-level random effects. Data includes a list of 1447 rate data points used as an input to the modelled estimates, yearly national-level covariates for each of the 195 countries studied from 2000 to 2015, and information on estimated low birthweight rates from 2000 to 2015 for 148 countries with data. Stata code used to generate these estimates is provided.

Data variables

Variable Name Variable Label Answer Label Answer Code Variable Type
iso3 iso3  Open ended String
year year  Open ended Integer
whoname    Open ended String
nlb Number of Livebirths  Open ended Numeric
bspline Estimate from bspine regression     Numeric
    Yes 1  
    NO 2  
lbw_final LBW rate point estimate  Open ended Numeric
hi_final LBW upper uncertainty range  Open ended Numeric
lo_final LBW lower uncertainty range  Open ended Numeric
country_data Country with data included in input dataset  Open ended Numeric