Table 6.
Incidence† of guardian-reported disease episodes among rural Malawian infants and young children, iLiNS-DOSE study, November 2009–May 2012
| Results by study group | Comparison between the groups‡ | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Control (follow-up years: 220·0) | 10 g LNS/d (follow-up years: 209·7) | 20 g LNS/d (follow-up years: 433·6) | 40 g LNS/d (follow-up years: 443·1) | 10 g LNS/d v. control | 20 g LNS/d v. control | 40 g LNS/d v. control | ||||||||
| Variable | Total episodes | Incidence | Total episodes | Incidence | Total episodes | Incidence | Total episodes | Incidence | IRR | 95 % CI | IRR | 95 % CI | IRR | 95 % CI |
| All diseases | 3215 | 14·7 | 3187 | 15·1 | 6572 | 15·2 | 6716 | 15·1 | 1·04 | 0·96, 1·11 | 1·03 | 0·97, 1·10 | 1·04 | 0·97, 1·10 |
| Gastroenteritis | 408 | 1·8 | 405 | 1·9 | 837 | 1·9 | 761 | 1·7 | 1·07 | 0·89, 1·30 | 1·05 | 0·89, 1·24 | 0·94 | 0·80, 1·12 |
| ARI | 1866 | 8·5 | 1829 | 8·7 | 3794 | 8·8 | 3876 | 8·7 | 1·02 | 0·92, 1·12 | 1·02 | 0·94, 1·11 | 1·02 | 0·94, 1·11 |
| Undefined fever | 345 | 1·6 | 322 | 1·5 | 657 | 1·5 | 687 | 1·6 | 0·97 | 0·81, 1·16 | 0·96 | 0·83, 1·12 | 0·99 | 0·85, 1·16 |
| Other diseases | 596 | 2·7 | 631 | 3·0 | 1284 | 3·0 | 1392 | 3·1 | 1·13 | 0·97, 1·31 | 1·09 | 0·96, 1·24 | 1·16 | 1·02, 1·32 |
LNS, lipid-based nutrient supplement; IRR, incidence rate ratio; ARI, acute respiratory infection.
†
Incidence=number of episodes/child per year of follow up.
‡
Groups were compared using negative binomial regression.