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Table 5 Variables associated with adherence, assessed by MEMS device

From: Adherence to home fortification with micronutrient powders in Kenyan pre-school children: self-reporting and sachet counts compared to an electronic monitoring device

Variable Adherence Logit ratio (95% CI) p-value
Intervention group
 Placebo 77.7% Reference  
 NaFeEDTA 79.6% 1.12 (0.84-1.49) 0.45
 Ferrous fumarate 79.0% 1.08 (0.81-1.44) 0.61
Child’s sex
 Male 77.8% Reference  
 Female 79.9% 1.13 (0.89-1.43) 0.32
Child’s age, yearsa 0.99 (0.80-1.23) 0.92
P. falciparum, baseline
 Not infected 79.9% Reference  
 Infected 77.2% 0.86 (0.67-1.09) 0.21
Anthropometric indices, baseline
 Wasting (weight-for-height z-score change, 1 SD)a 1.07 (0.95-1.20) 0.27
 Stunting (height-for-age z-score change, 1 SD)a 1.06 (0.97-1.15) 0.18
 Underweight (weight-for-age z-score change, 1 SD)a 1.08 (0.98-1.20) 0.12
Child was sick during intervention period
 No 78.8% Reference  
 Yes 78.9% 1.01 (0.77-1.33) 0.95
Parental education
 None 85.4% Reference  
 Primary 77.2% 0.58 (0.30-1.13) 0.11
 Secondary 81.8% 0.77 (0.38-1.58) 0.47
 Tertiary 82.7% 0.82 (0.24-2.83) 0.76
Parent’s sex
 Male 64.1% Reference  
 Female 79.0% 2.11 (0.61-7.29) 0.24
  1. Logit ratios indicate the change in logit relative to the reference class, or the relative change in logit associated with 1 unit increment in thea continuous variables