Table 3

Change in anthropometric measurements in the three groups during the study period.

Control

Twice-weekly

Daily

P^b

(n = 110)

(n = 111)

(n = 110)

Weight for height Z score

Baseline

-0.48 ± 1.01^a

-0.63 ± 1.12

-0.53 ± 0.98

0.544

Week 24

-1.09 ± 1.08

-0.97 ± 1.06

-1.15 ± 1.04

0.414

Change

-0.61 ± 0.96 ^A

-0.33 ± 0.97 ^B

-0.62 ± 0.84 ^A

0.036

Height for age Z score

Baseline

-1.84 ± 1.62

-1.65 ± 1.70

-1.73 ± 1.53

0.677

Week 24

-0.89 ± 1.56

-1.00 ± 1.49

-0.77 ± 1.41

0.532

Change

0.95 ± 0.97 ^A

0.65 ± 0.93 ^B

0.95 ± 0.99 ^A

0.029

Weight for age Z score

Baseline

-1.38 ± 1.13

-1.38 ± 1.16

-1.36 ± 1.10

0.990

Week 24

-1.27 ± 1.08

-1.24 ± 1.10

-1.23 ± 0.93

0.969

Change

0.11 ± 0.50

0.14 ± 0.45

0.12 ± 0.48

0.901

ª Mean ± SD (all such value, except where indicated otherwise)

^b Analysis of variance;

^{A, B} Differences between groups are significant when letters are different (t test, P < 0.05).

Kounnavong et al. Nutrition Journal 2011 10:129   doi:10.1186/1475-2891-10-129