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Table 3 Demographic characteristics, frequencies, crude and adjusted odds ratio for undernourished children infected by RVA

From: Rotavirus A infection in children under five years old with a double health problem: undernutrition and diarrhoea – a cross-sectional study in four provinces of Mozambique

Demographic characteristics N = 842 Positive RVA (n = 229) % (Pos) P-value Crude OR (95% CI) P-value Adjusted OR (95% CI)
Age in months     < 0.001   < 0.001  
 0–11 433 137 31.6 < 0.001 4.12 (2.14–7.94) < 0.001 4.39 (2.08–9.25)
 12–23 300 81 27.0 0.001 3.30 (1.68–6.46) 0.005 2.93 (1.38–6.23)
 24–59 109 11 10.1   Ref   Ref
Sex
 Male 473 137 29.0 0.192 1.23 (0.90–1.67) 0.376 1.18 (0.82–1.70)
 Female 369 92 24.9   Ref   Ref
Year of admission     < 0.001   < 0.001  
 2015 415 177 42.7 < 0.001 7.44 (3.77–14.66) < 0.001 16.60 (6.54–42.14)
 2016 317 42 13.2 0.253 1.53 (0.74–3.16) 0.040 2.23 (1.04–4.77)
 2017 110 10 9.1   Ref   Ref
Province     0.003   0.115  
 Maputo 428 137 32.0 0.010 3.48 (1.34–9.06) 0.019 3.38 (1.22–9.37)
 Nampula 324 80 24.7 0.073 2.43 (0.92–6.38) 0.071 2.65 (0.92–7.63)
 Zambézia 48 7 14.6 0.710 1.26 (0.37–4.33) 0.288 2.10 (0.53–8.27)
 Sofala 42 5 11.9   Ref   Ref
Family members in household
  <5 306 62 20.3   Ref   Ref
  ≥5 493 160 32.5 < 0.001 1.89 (1.35–2.65) 0.029 1.55 (1.05–2.29)
 Unknown/ missing 43 7     
Number of children under five
 < 5 723 194 26.8   Ref
 ≥ 5 77 30 39.0 0.024 1.74 (1.07–2.83)
 Unknown/ missing 42 5     
Type of house     0.001   0.497  
 Brick 481 161 33.5   1.73 (1.24–2.42)   1.20 (0.71–2.03)
 Mud and Reed 289 65 22.5   Ref   Ref
 Unknown/ missing 72 3     
Care giver age     0.841    
 ≥ 20 139 39 28.1 0.980 0.99 (0.62–1.59)
 21–30 449 118 26.3 0.602 0.91 (0.63–1.30)
 > 30 220 62 28.2   Ref   
 Unknown/ missing 34 10     
Type of food     < 0.001   0.173  
 Breast milk 218 76 34.9   Ref   Ref
 Breast milk and formula 292 104 35.6 0.860 0.97 (2.27–5.24) 0.411 1.21 (0.77–1.91)
 Formula 41 9 22.0 0.088 0.51 (0.78–3.96) 0.732 0.85 (0.34–2.15)
 Other 275 38 13.8 < 0.001 0.29 (0.19–0.44) 0.042 2.22 (1.03–4.80)
 Unknown/ missing 16 2     
  1. Ref Reference category
  2. -: Not applicable
  3. Hosmer and Lemeshow test, p-value = 0.318