Table 1 EN-INDEPTH survey questions for birthweight

‘When NAME was born, was this baby^b very large, larger than average, average, smaller than average, or very small?’

Acceptable responses ‘very large’, ‘larger than average’, ‘average’, ‘smaller than average’, ‘very small’ or ‘don’t know’.

No^c

‘Was NAME weighed at birth?’

Responses coded – Yes/ No/ Don’t Know.

Yes

‘How much did NAME weigh?’

Coded ‘from card’ or ‘from recall’.

Response – numeric integer.

Acceptable range 0.3 – 6.5kg. Red error message prompting interviewer to correct entry if value outside this range entered.

Yes