Research Article

Maternal Tenofovir Disoproxil Fumarate Use in Pregnancy and Growth Outcomes among HIV-Exposed Uninfected Infants in Kenya

Table 2

Distribution of mean weight, length, and head circumference (HC) anthropometric measurements and age and sex-adjusted -scores among HEU infants attending 6-week and 9-month immunization visits, by maternal TDF use in pregnancy.

Anthropometric measureInfants attending 6-week visitInfants attending 9-month visit
⁢Mean (95% CI) or (%)⁢Mean (95% CI) or (%)
Total ()No maternal TDF use during pregnancy ()Any maternal TDF use during pregnancy1 () value2Total ()No maternal TDF use during pregnancy ()Any maternal TDF use during pregnancy1 () value2

Weight
Absolute weight-(kg)4.6 (4.4, 4.7)4.7 (4.5, 4.8)4.3 (4.1, 4.6)0.015 8.3 (8.1, 8.5)8.4 (8.1, 8.7)8.1 (7.7, 8.6)0.302
Absolute WAZ−0.5 (−0.7, −0.3)−0.4 (−0.6, −0.1)−0.8 (−1.2, −0.5)0.033 −0.4 (−0.6, −0.1)−0.3 (−0.6, 0.0)−0.6 (−1.2, 0.0)0.306
WAZ < −2 SD13 (8%)7 (7%)6 (12%)0.28817 (14%)10 (12%)7 (18%)0.336
Absolute WLZ0.5 (0.1, 0.9)0.6 (0.1, 1.1)0.3 (−0.3, 0.9)0.4620.3 (−0.1, 0.7)0.4 (−0.2, 0.9)0.1 (−0.5, 0.8)0.597
WLZ < −2 SD21 (14%)16 (16%)5 (10%)0.31712 (10%)7 (9%)5 (13%)0.432

Length
Absolute length (cm)52.9 (51.2, 53.7)53.0 (52.0, 54.0)52.8 (51.6, 53.9)0.76668.1 (66.9, 69.2)68.2 (66.7, 69.7)67.7 (66.3, 69.2)0.710
Absolute LAZ−1.2 (−1.5, −0.8)−1.2 (−1.6, −0.7)−1.2 (−1.7, −0.6)0.951−1.0 (−1.5, −0.5)−1.0 (−1.7, −0.3)−1.1 (−1.9, −0.3)0.797
LAZ < −2 SD58 (37%)39 (38%)19 (37%)0.97636 (30%)22 (26%)14 (37%)0.232

Head circumference (HC)
Absolute HC (cm)38.7 (38.3, 39.0)38.7 (38.3, 39.1)38.5 (37.9, 39.1)0.59644.0 (43.6, 44.4)44.0 (43.5, 44.5)44.0 (43.2, 44.8)0.995
Absolute HCZ0.7 (0.4, 1.0)0.7 (0.4, 1.1)0.7 (0.2, 1.2)0.892−0.3 (−0.7, 0.0)−0.3 (−0.7, 0.1)−0.4 (−1.1, 0.4)0.873
HCZ < −2 SD4 (3%)2 (2%)2 (4%)0.46122 (18%)14 (17%)8 (21%)0.560

SD = standard deviation.
.
1Maternal TDF use defined as any reported TDF-containing ART regimen used for any amount of time during pregnancy among mothers that used combination ART while pregnant.
2Chi-squared test for proportions or 2-sample -test for means.