TABLE 1.

Unadjusted and Adjusted Prevalence Risk Ratios (PRR) for Red Blood Cell (RBC) Folate Insufficiency (< 748 nmol/L) by Region and Sociodemographic Characteristics: ENMICRON, 2009–2010

	N (unweighted)	Prevalence (95% CI)	Unadjusted PRR (95% CI)	Adjusteda PRR (95% CI)a
		RBC folate insufficiency (< 748 nmol/L)
National	1448	47.2 (43.3, 51.1)
Region
Metropolitana	141	18.8 (11.7, 28.9)	Referent	Referent
Norte	107	80.9 (62.7, 91.4)	4.3 (2.6, 7.0)***	2.8 (1.9, 4.1)***
Nor-Oriente	216	52.1 (41.7, 62.3)	2.8 (1.7, 4.5)***	1.8 (1.2, 2.7)*
Sur-Oriente	161	51.6 (41.0, 62.1)	2.7 (1.7, 4.5)***	1.8 (1.2, 2.7)**
Central	219	56.8 (47.4, 65.7)	3.0 (1.9, 4.9)***	2.2 (1.5, 3.2)***
Sur-Occidente	431	51.3 (43.7, 58.9)	2.7 (1.7, 4.4)***	1.9 (1.3, 2.8)***
Nor-Occidente	101	46.8 (33.3, 60.8)	2.5 (1.4, 4.3)***	1.4 (0.9, 2.4)
Petén	72	47.6 (35.0, 60.6)	2.5 (1.5, 4.3)***	1.6 (1.0, 2.5)*
Area
Rural	773	59.8 (53.9, 65.4)	1.8 (1.5, 2.1)***	1.3 (1.1, 1.5)*
Urban	675	33.8 (28.9, 39.0)	Referent	Referent
Ethnicity
Indigenous	559	56.0 (49.3, 62.6)	1.3 (1.1, 1.6)***	1.0 (0.9, 1.2)
Non-Indigenous	889	41.7 (37.3, 46.3)	Referent	Referent
Age (yr)
15 – 19	233	48.4 (40.8, 56.0)	1.0 (0.9, 1.3)	1.2 (1.0, 1.4)
20 –34	525	48.0 (42.3, 53.9)	1.0 (0.9, 1.2)	1.1 (0.9, 1.3)
35 – 49	690	46.0 (40.8, 51.3)	Referent	Referent
Education (yr)
None	314	59.7 (50.8, 67.9)	1.8 (1.4, 2.3)***	1.2 (0.9, 1.5)
Primary	715	52.0 (47.0, 56.9)	1.6 (1.3, 1.9)***	1.1 (1.0, 1.4)
Secondary or higher	419	32.4 (27.3, 38.8)	Referent	Referent
Wealth index (terciles)
Low	478	68.4 (61.6, 74.4)	2.6 (2.0, 3.2)***	1.9 (1.4, 2.5)***
Middle	538	49.1 (43.8, 54.4)	1.8 (1.4, 2.3)***	1.5 (1.1, 1.9)**
High	432	26.8 (21.3, 33.2)	Referent	Referent

ENMICRON, Guatemala Encuesta Nacional de Micronutrientes.

^aAdjusted model had RBC folate insufficiency as the outcome variable and area type, ethnicity, age, education, wealth index, and region as predictor variables.

^*p-Value < 0.05.

^**p–Value < 0.01.

^***p-Value < 0.001.