Portal use increased directly after training (use score of 2.00 vs 0.36 baseline, p<.001), and remained elevated 3 months later (1.36 vs 0.36 baseline, p=.01) Navaneethan et al. 2017 88 Assess the effect of an enhanced portal and navigator program on portal use in CKD patients * Pragmatic RCT (experimental) Enhanced portal for CKD (B5).