The effectiveness bundling of zinc with Oral Rehydration Salts (ORS) for improving adherence to acute watery diarrhea treatment in Ethiopia: cluster randomised controlled trial

Table 3 Pairwise comparison of the intervention arms using mixed effects multivariate linear regression model based on zinc, ORS and joint adherence, Jan-Mar 2015

Pairwise combination	P value	β coefficient ^a
Zinc adherence (%)
Central bundling vs HC level bundling	0.894	−0.4
Central bundling vs Bundling without message	0.001^*	13.5
Central bundling vs Status quo	<0.001^*	17.6
HC level bundling vs Bundling without message	0.002^*	14.1
HC level bundling vs Status quo	<0.001^*	19.4
Bundling without message vs Status quo	0.319	4.2
ORS adherence (%)
Central bundling vs HC level bundling	0.969	0.2
Central bundling vs Bundling without message	0.007^*	11.5
Central bundling vs Status quo	<0.001^*	12.0
HC level bundling vs Bundling without message	0.022^*	10.2
HC level bundling vs Status quo	0.003^*	12.1
Bundling without message vs Status quo	0.966	−0.3
Joint zinc and ORS adherence (%)
Central bundling vs HC level bundling	0.965	−0.1
Central bundling vs Bundling without message	0.002^*	12.6
Central bundling vs Status quo	<0.001^*	14.8
HC level bundling vs Bundling without message	<0.001^*	12.0
HC level bundling vs Status quo	<0.001^*	15.7
Bundling without message vs Status quo	0.673	1.8

* Statistically significant association at p value of 0.05
^a Unstandardized multiple linear regression coefficient adjusted for number of episodes of diarrhea and level of severity of dehydration

ISSN: 1471-2458