Characteristics and rotated factor loadings for antenatal care factors^a^a.

<p>^a Factor loadings ≤|0.5| are not shown; ANC: Antenatal care</p><p>Characteristics and rotated factor loadings for antenatal care factors^{<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0120404#t001fn001" target="_blank">a</a>}^a.</p

Characteristics and rotated factor loadings for Health Sub-Center factors^a^a.

<p>^a Factor loadings ≤|0.35| are not shown;</p><p>HSC: Health Sub-Center; PHC: Primary Health Center; VHSC: Village Health and Sanitation Committee</p><p>Characteristics and rotated factor loadings for Health Sub-Center factors^{<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0120404#t002fn001" target="_blank">a</a>}^a.</p

Individual-level factors of study population by prevalence of iron and folic acid receipt and consumption.

<p>^a It should be noted that all women in the study population received at least one ANC visit. Those who did not attend ANC were not asked about IFA receipt or consumption;</p><p>^b Early enrollment: 1^st trimester, Late enrollment: 2^nd-3^rd trimester; ANC: Antenatal care; IFA: Iron and Folic Acid</p><p>Individual-level factors of study population by prevalence of iron and folic acid receipt and consumption.</p

Flowchart of Health Sub-Center exclusions and final sample.

<p>Flowchart of exclusions and final sample of health sub-centers surveyed in Bihar through DLHS-3. HSC: Health Sub-Center; DLHS: District Level Household Survey; PSU: Primary Sampling Unit; IFA: iron and folic acid tablets or syrup.</p

Multilevel modeling of iron and folic acid consumption for ≥90 days during last pregnancy.

<p>^a Early enrollment:</p><p>1^st trimester, Late enrollment: 2^nd-3^rd trimester; AIC: Akaike Information Criterion; ANC: Antenatal care; HSC: Health Sub-Center; IFA: iron and folic acid; PHC: Primary Health Center</p><p>Multilevel modeling of iron and folic acid consumption for ≥90 days during last pregnancy.</p

Facility-level factors of study population by prevalence of iron and folic acid receipt and consumption^a.

<p>^a HSC counts are unweighted. Percentages and chi-square tests take into account weighting and clustering at the primary sample unit level.</p><p>^b HSCs which covered more than one village could be counted multiple times.</p><p>^c Received and utilized untied funds from previous financial year; HSC: Health Sub-Center; IFA: iron and folic acid; PHC: Primary Health Center; VHSC: Village Health and Sanitation Committee</p><p>Facility-level factors of study population by prevalence of iron and folic acid receipt and consumption<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0120404#t005fn001" target="_blank">^a</a>.</p

Variable definitions included in multilevel modeling of IFA receipt and consumption.

<p>^a Early enrollment:</p><p>1^st trimester, Late enrollment: 2^nd–3^rd trimester; ANC: Antenatal Care; HSC: Health Sub-Center; IFA: Iron and Folic Acid; PHC: Primary Health Center; PSU: Primary Sampling Unit; Ref.: Reference Value; WHO: World Health Organization</p><p>Variable definitions included in multilevel modeling of IFA receipt and consumption.</p

Flowchart of ever-married women exclusions and final sample.

<p>Flowchart of exclusions and final sample of ever-married women surveyed in Bihar through DLHS-3. DLHS: District Household Survey; ANC: Antenatal care; HSC: Health Sub-Center; IFA: iron and folic acid tablets or syrup.</p

Multilevel modeling of any iron and folic acid receipt during last pregnancy.

<p>^a Significant interactions included ANC Practice * ANC Counseling and ANC Practice * ANC Timing & Frequency;</p><p>^<i>b</i> Early enrollment: 1^st trimester, Late enrollment: 2^nd–3^rd trimester; AIC: Akaike Information Criterion; ANC: Antenatal Care; HSC: Health Sub-Center; PHC: Primary Health Center; SE: Standard Error</p><p>Multilevel modeling of any iron and folic acid receipt during last pregnancy.</p

Additional file 2: of Identifying bottlenecks in the iron and folic acid supply chain in Bihar, India: a mixed-methods study

IDI District official: In-depth interview guide for district officials. (DOCX 19 kb