Table 2.
Main exposure and outcomes: per cent of ENSO exposure and food consumption patterns by age group across 50 months from October 2010 to November 2014
| Child age (months) | 9–15 m | 16–24 m | 25–30 m | 31–36 m | Total | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | n | % | n | % | |
| Months of ENSO exposure | n 19 | n 12 | n 9 | n 10 | n 50 | |||||
| ONI index % (# of months) | ||||||||||
| Neutral | 31·6 | 6 | 75·0 | 9 | 100·0 | 9 | 90·0 | 9 | 66·0 | 33 |
| Weak La Niña | 36·8 | 7 | 25·0 | 3 | 0·0 | 0 | 10·0 | 1 | 22·0 | 11 |
| Moderate La Niña | 31·6 | 6 | 0·0 | 0 | 0·0 | 0 | 0·0 | 0 | 12·0 | 6 |
| SOI index % (# of months) | ||||||||||
| Neutral | 10·5 | 2 | 83·3 | 10 | 66·7 | 6 | 30·0 | 3 | 42·0 | 21 |
| Weak El Niño | 0·0 | 0 | 0·0 | 0 | 11·1 | 1 | 20·0 | 2 | 6·0 | 3 |
| Weak La Niña | 31·6 | 6 | 8·3 | 1 | 22·2 | 2 | 50·0 | 5 | 28·0 | 14 |
| Moderate La Niña | 5·3 | 1 | 8·3 | 1 | 0·0 | 0 | 0·0 | 0 | 4·0 | 2 |
| Strong La Niña | 26·3 | 5 | 0·0 | 0 | 0·0 | 0 | 0·0 | 0 | 10·0 | 5 |
| Very strong La Niña | 26·3 | 5 | 0·0 | 0 | 0·0 | 0 | 0·0 | 0 | 10·0 | 5 |
| MEI index % (# of months) | ||||||||||
| Neutral | 31·6 | 6 | 50·0 | 6 | 77·8 | 7 | 70·0 | 7 | 52·0 | 26 |
| Weak El Niño | 0·0 | 0 | 25·0 | 3 | 22·2 | 2 | 30·0 | 3 | 16·0 | 8 |
| Moderate El Niño | 5·3 | 1 | 0·0 | 0 | 0·0 | 0 | 0·0 | 0 | 2·0 | 1 |
| Weak La Niña | 21·1 | 4 | 25·0 | 3 | 0·0 | 0 | 0·0 | 0 | 14·0 | 7 |
| Moderate La Niña | 5·3 | 1 | 0·0 | 0 | 0·0 | 0 | 0·0 | 0 | 2·0 | 1 |
| Strong La Niña | 36·8 | 7 | 0·0 | 0 | 0·0 | 0 | 0·0 | 0 | 14·0 | 7 |
| River level in metres* | ||||||||||
| Median | 112 | 111 | 112 | 114 | 113 | |||||
| Interquartile ranges (quartile 1, quartile 3) | 110, 116 | 110, 116 | 111, 116 | 112, 116 | 110, 116 | |||||
ENSO, El Niño Southern Oscillation; ONI, Oceanic Niño Index; SOI, Southern Oscillation Index; MEI, Multivariate ENSO Index.
*
To convert energy values from kilocalories to kilojoules, multiply by 4·184.