Table 5 Factors associated with maternal moderate anaemia. Salavan Province, Laos, 2014
From: Prevalence of malaria in pregnancy in southern Laos: a cross-sectional survey
Univariate analysisa | P value | Multivariate analysisa | P value | |
|---|---|---|---|---|
Crude IRR (95 % CI) | Adjusted IRR (95 % CI) | |||
Age (years) (20–24 = Ref) | 0.69 | |||
<20 | 1.18 (0.78–1.79) | |||
25–27 | 1.07 (0.70–1.65) | |||
≥28 | 0.90 (0.61–1.33) | |||
Primigravidity | 0.76 (0.54–1.04) | 0.10 | ||
Tobacco use | 1.31 (0.87–1.96) | 0.19 | ||
Ethnicity Lao Theung (Ref = Lao Loum) | 2.07 (1.56–2.74) | <0.001 | 1.49 (0.99–2.25) | 0.05 |
Place of living (Ref = Salavan) | <0.001 | 0.02 | ||
Vapi | 0.41 (0.19–0.88) | 0.45 (0.21–0.98) | ||
Toumlane | 1.92 (1.44–2.58) | 1.42 (0.94–2.16) | ||
Others | 0.49 (0.17–1.39) | 0.46 (0.16–1.33) | ||
Went to the forest during the current pregnancy | 1.12 (0.83–1.51) | 0.47 | ||
No bed net use | 1.80 (1.24–2.63) | 0.002 | ||
Number of ANC visits (≥4 = Ref) | 0.007 | |||
1–3 | 1.33 (0.98–1.82) | |||
0 | 2.09 (1.29–3.39) | |||
Gestational hypertension | 0.79 (0.30–2.10) | 0.64 | ||
Iron supplementation (intake the day before admission = Ref) | 0.03 | 0.06 | ||
Intake, but not before admission | 1.02 (0.58–1.78) | 1.00 (0.56–1.79) | ||
No intake during pregnancy | 1.75 (1.16–2.62) | 1.58 (1.08–2.32) | ||
Folic acid supplementation (intake the day before admission = Ref) | 0.34 | |||
Intake, but not before admission | 1.25 (0.76–2.05) | |||
No intake during pregnancy | 0.80 (0.53–1.22) | |||
Duration of pregnancy (weeks gestation) (37–38 = Ref) | 0.55 | |||
≥39 | 0.83 (0.56–1.24) | |||
<37 | 1.11 (0.68–1.83) |