|
Risk factors for low birth weight |
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| Variable |
At risk of LBW (n) |
Univariate analysis odds ratio (95% (CI) |
LR (p-value) |
Multivariate analysis odds ratio (95% (CI) |
LRT |
|
|
|||||
| Age |
404 |
0.89 (0.81 – 0.97) |
< 0.01 |
0.92 (0.83 – 1.02) |
|
|
|
|||||
| Patient's home: |
0.66 |
||||
| Ifakara & vicinity |
299 |
1 |
|||
| Beyond Ifakara |
105 |
1.15 (0.62 – 2.12) |
|||
|
|
|||||
| Parity: |
0.04 |
||||
| Secundigravid |
156 |
1 |
|||
| Primigravid |
248 |
1.89 (1.02 – 3.48) |
1.40 (0.69 – 2.82) |
||
|
|
|||||
| Age*Parity (interaction) |
404 |
0.82 (0.67 – 1.01) |
0.07 |
||
|
|
|||||
| Use of bednet: |
0.05 |
||||
| Never used |
37 |
1 |
|||
| Untreated |
273 |
0.36 (0.17 – 0.77) |
0.34 (0.16 – 0.74) |
||
| Treated bednet |
94 |
0.19 (0.07 – 0.53) |
0.22 (0.08 – 0.59) |
||
|
|
|||||
| Report of self-medication: |
0.65 |
||||
| Never used |
228 |
1 |
|||
| Antimalarial |
103 |
0.98 (0.52 – 1.86) |
|||
| Other forms |
73 |
0.66 (0.29 – 1.48) |
|||
|
|
|||||
| Reported fever episode: |
0.78 |
||||
| Never reported |
229 |
1 |
|||
| Reported |
175 |
1.08 (0.62 – 1.88) |
|||
|
|
|||||
| Placenta parasitaemia: |
0.31 |
||||
| Absent |
371 |
1 |
|||
| Present |
33 |
1.62 (0.67 – 3.91) |
|||
|
|
|||||
| Neonates sex |
0.24 |
||||
| Male |
213 |
1 |
|||
| Female |
203 |
1.15 (0.66 – 1.98) |
|||
|
¶-N = 60 cases of LBW (Birth weight < 2500 g) LR-likelihood ratio LRT-Likelihood ratio test for interaction | |||||
Kabanywanyi et al. Malaria Journal 2008 7:133 doi:10.1186/1475-2875-7-133 |
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