6–11.9 mo | 12–17.9 mo | 18–23.9 mo | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Poorest | Middle | Richest | Poorest | Middle | Richest | Poorest | Middle | Richest | ||||
n = 170 | n = 71 | n = 105 | P† | n = 183 | n = 68 | n = 101 | P† | n = 175 | n = 74 | n = 114 | P† | |
All milk | 96 | 100 | 98 | 0.162 | 91 | 93 | 97 | 0.204 | 70 | 81 | 95 | < 0.001 |
Breast milk | 69 | 63 | 42 | < 0.001 | 54 | 44 | 24 | < 0.001 | 35 | 27 | 19 | 0.061 |
Powdered milks | 17 | 24 | 18 | 0.449 | 34 | 19 | 15 | 0.001 | 34 | 42 | 29 | 0.242 |
Formula | 25 | 31 | 62 | < 0.001 | 13 | 40 | 61 | < 0.001 | 7 | 23 | 48 | < 0.001 |
Infant | 22 | 31 | 56 | < 0.001 | 3 | 9 | 15 | 0.001 | 0 | 1 | 5 | 0.076 |
Toddler/preschooler | 4 | 0 | 7 | 0.088 | 10 | 31 | 47 | < 0.001 | 7 | 22 | 43 | < 0.001 |