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. 2016 Feb 22;13(1):e12252. doi: 10.1111/mcn.12252

Table 2.

Adherence comparisons by supplementation group and pregnancy or post‐partum stage

Adherence definition LNS‐PL IFA P *
Pregnancy Early lactation Late lactation Pregnancy Early lactation
N 73 72 72 71 72
Self‐reported adherence [mean ± SD; median (IQR)] 4.8 ± 3.0 4.9 ± 3.1 5.2 ± 2.6 5.9 ± 1.8 3.0 ± 1.8 0.12¶¶
6 (3–7) 6 (3–7) 7 (5–7) 7 (5–7) 3 (2–4)
Percent of supplements consumed (Mean) 68.7 70.2 74.4 84.9 85.9
Adherence as recommended§ (%) 45 42 53 56 58 0.30
Non‐adherence, ** (%) 22 21 17 6 19 0.19
Low‐adherence†† (%) 11 11 3 7 10 0.39
High‐adherence‡‡, §§ (%) 67A 68A 81A 87A 71A 0.044

LNS‐PL, lipid‐based nutrient supplement for pregnant and lactating women; IFA, iron/folic acid tablet; IQR, interquartile range; SD, standard deviation.

*

P value calculated using mixed binary logistic regression or mixed multinomial logistic regression models, accounting for design effect and adjusted for multiple comparisons.

Reported number of times supplement was consumed in the past week.

Percent out of 7 or 3.5 (IFA in lactation) reportedly consumed in the previous week.

§

Prevalence of reported consumption of 7 or 3‐4 (IFA in lactation) supplements in the previous week.

Prevalence of women who reported consuming zero supplements in the previous week.

**

In individual comparisons, there were significant differences between IFA pregnancy vs. early lactation (P = 0.026) and LNS‐PL vs. IFA in pregnancy (P = 0.039).

††

Prevalence of reported consumption <70% and >0% of recommended supplements/week.

‡‡

Prevalence of reported consumption ≥70% of recommended supplements/week.

§§

In pairwise comparisons, there were significant differences between IFA pregnancy vs. early lactation (P = 0.023) and LNS‐PL vs. IFA in pregnancy (P = 0.015).

¶¶

Adherence is treated as a multinomial variable.