Table 3 Univariate analysis of nutrition outcomes comparing infants in a Zanmi Lasante PMTCT program to matched community controls in rural Haiti

World Health Organization age categories (months)

Median Z Score (SD)

Proportion ≤ 2 SD

(95% CI)

Proportion ≤ 3 SD

(95% CI)

Median Z Score (SD)

Proportion ≤ 2 SD

(95% CI)

Proportion ≤ 3 SD

(95% CI)

Median Z Score (SD)

Proportion ≤ 2 SD

(95% CI)

Proportion ≤ 3 SD

(95% CI)

0-60 (All)

-1.01 (1.32)

25.6 (19.4, 31.8)

7.2 (3.5, 11.0)

-1.10 (1.23)

25.0 (19.1, 30.9)

4.0 (1.2, 6.8)

0.46

0.89

0.14

12-23

-0.08 (1.11)

0.0 (0.0, 4.2)

0.0 (0.0, 4.2)

-0.99 (1.15)

16.0 (0.0, 32.4)

0.0 (0.0, 2.0)

0.03

0.14

n/a

24-35

-1.03 (1.38)

24.2 (14.8, 33.5)

7.7 (1.7, 13.7)

-1.01 (1.33)

23.2 (14.1, 32.2)

5.3 (0.2, 10.3)

0.93

0.87

0.50

36-47

-1.17 (1.33)

33.8 (22.3, 45.2)

8.1 (1.2, 15.0)

-1.34(1.17)

35.2 (23.4, 47.0)

2.8 (0.0, 7.4)

0.41

0.86

0.16

48-60

-0.95 (1.04)

20.0 (4.0, 36.0)

6.7 (0.0, 17.3)

-0.94 (1.12)

15.2 (1.4, 28.9)

6.1 (0.0, 15.7)

0.98

0.61

0.92