Folic Acid Module

Response Categories

2001
% (95% CI)

2002
% (95% CI)

2003
% (95% CI)

1+ per day

90.1 (88.2-91.9)

88.5 (86.7-90.3)

90.9 (89.3-92.6)

1-6 per week

9.4 (7.6-11.2)

11.1 (9.3-12.8) 

8.8 (7.2-10.4) 

1-3 per month

0.5 (0-1.0)

0.4 (0-0.8) 

 0.3 (0-0.6)

Percentage among respondents who take multivitamin or folate supplement excluding unknown and missing

Response Categories

2004
% (95% CI)

2005
% (95% CI)

2006
% (95% CI)

1+ per day

88.7 (86.7-90.7)

 NA

 NA

1-6 per week

11.0 (9.0-13.0)

1-3 per month

0.4 (0.1-0.7)

Percentage among respondents who take multivitamin or folate supplement excluding unknown and missing

Response Categories

2007
% (95% CI)

2008
% (95% CI)

2009
% (95% CI)

1+ per day

1-6 per week

1-3 per month

Percentage among respondents who take multivitamin or folate supplement excluding unknown and missing

Table Type

Question response frequency

Denominator:

Respondents who take multivitamin or folate supplement

Abbreviations:

n = number of respondents

% = weighted percent of respondents giving this response

95% CI = confidence intervals