ARCHIVED - Duration of exclusive breastfeeding: Derived variable specifications

Variable: MEXnDEBF_NEW

Survey: Canadian Community Health Survey (CCHS)

Concept: Duration of exclusive breastfeeding (D)

Variable name component structure in CCHS:

Position 4: C Cycle 2.1 (2003) Based on:
  E Cycle 3.1 (2005) MEXn_03,
  Null1  Cycle 2007-2008 MEXn_06, MEXn_07

Description: This variable provides the length of time that the respondent exclusively breastfed her last baby. It is a modification of the derived variable MEXnDEBF.

Note: Respondents who had not given birth in the past 5 years or who were less than 15 years old or more than 55 years old are excluded from the population. Since the variable is used to measure only the final duration of exclusive breastfeeding, mothers who were still breastfeeding and who had not yet added any other liquid or solid foods to the baby's feeds are also excluded.

Value Conditions Description
96 DHHn_SEX = 1 or
DHHn_AGE < 15 or
DHHn_AGE > 55 or
MEXn_01 = 2 or
(MEXn_05 = 1 and
MEXn_07 = 13)
Population exclusion
99 ADMn_PRX = 1 Module not asked - proxy interview
99 (MEXn_03 = DK, R, NS) or
(MEXn_06 = DK, R, NS) or
(MEXn_07 = DK, R, NS)
At least one required question was not answered (don't know, refusal, not stated)
0 MEXn_03 = 2 Had not breastfed her last baby
1 ( MEXn_07 in (1,2,3) and MEXn_06 in (1,2,3,4,5,6,7,8,9,10,11,12) ) or
( MEXn_06 in (1,2,3) and (13 >MEXn_07> MEXn_06) )or
(MEXn_06 = NA and MEXn_07 in (1,2,3)) or
(MEXn_07 = 13 and MEXn_06 in (1,2,3)
<1-4 weeks
2 (MEXn_07 in (4,5,6) and MEXn_06 in (4,5,6,7,8,9,10,11,12)) or
( MEXn_06 in (4,5,6) and (13 >MEXn_07> MEXn_06)) or
(MEXn_06 = NA and MEXn_07 in (4,5,6)) or
(MEXn_07 = 13 and MEXn_06 in (4,5,6))
5 weeks to < 16 weeks
3 (MEXn_07 = 7 and MEXn_06 in (7,8,9,10,11,12)) or
( MEXn_06 = 7) and (13 > MEXn_07 > MEXn_06) ) or
(MEXn_06 = NA and MEXn_07 = 7)or
(MEXn_07 = 13 and MEXn_06 =7)
16 weeks to <20 weeks
(4 months)
4 (MEXn_07 =8 and MEXn_06 in (8,9,10,11,12)) or
( MEXn_06 =8 and (13 > MEXn_07 > MEXn_06) ) or
(MEXn_06 = NA and MEXn_07 = 8) or
(MEXn_07 = 13 and MEXn_06 = 8)
20 weeks to <24 weeks
(5 months)
5  (MEXn_07 =9 and MEXn_06 in (9,10,11,12 ) ) or
( MEXn_06 =9 and (13 > MEXn_07 > MEXn_06) ) or
(MEXn_06 = NA and MEXn_07 = 9) or
(MEXn_07 = 13 and MEXn_06 = 9)
24 weeks to 28 weeks
(6 months)
6 (MEXn_07 in (10,11,12) and MEXn_06 in (10,11,12) ) or
( MEXn_06 in (10,11,12) and (13 >MEXn_07> MEXn_06))or
(MEXn_06 = NA and MEXn_07 in (10,11,12)) or
(MEXn_07 = 13 and MEXn_06 in (10,11,12))
7 months or more

1 The CCHS variable naming convention was changed slightly in 2007 to reflect the fact that the same variable was being collected across the cycles of CCHS. The letter designating the cycle, which was in position 4, was dropped from the variable name beginning in CCHS 2007.

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