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Background: Patient adherence status to the newly introduced family‐based Helicobacter pylori (H. pylori) infection control and management strategy remains unclear, so are its influencing factors. We aim to investigate family members' adherence and its influencing factors during the family‐based H. pylori infection management practice for related disease prevention. Materials and Methods: Based on our previously family‐based H. pylori survey in 2021, 282 families including 772 individuals were followed up 2 years after the initial survey to compare if the investigation and education might improve family member's adherence. The participant's adherence to H. pylori infection awareness, retest, treatment, publicity, gastroscopy, and hygiene habits were followed up, and their influencing factors were also analyzed. Results: The overall participant's adherence to recommendations on H. pylori awareness, retest, treatment, publicity, gastroscopy, and hygiene habits were 77% (187/243), 67.3% (138/205), 60.1% (211/351), 46.5% (107/230), 45.6% (159/349), and 39.1% (213/545), respectively; and all showed improvements compared with their prior survey stages. The top reasons for rejection to treatment, retest, and gastroscopy were forgetting or unaware of H. pylori infection (30.3%), busy (32.8%), and asymptomatic (67.9%), respectively. Independent risk factor for low adherence to treatment was occupation (e.g., staff: OR 4.49, 95% CI 1.34–15.10). Independent favorable factors for treatment adherence were individuals at the ages of 18–44 years (OR 0.19, 95% CI 0.04–0.89) and had a large family size (e.g., four family members: OR 0.15, 95% CI 0.06–0.41); for retest adherence, it was individuals at the ages of 60–69 years (OR 0.23, 95% CI 0.06–0.97); for gastroscopy adherence, it was individuals at the age of 60–69 years (OR 0.46, 95% CI 0.28–0.75), and with gastrointestinal symptoms (OR 0.57, 95% CI 0.36–0.90). Conclusions: Family‐based H. pylori management increases individual adherence to treatment, retest, and awareness, and there are also improved adherence to gastroscopy, publicity, and personal hygiene recommendations; further efforts are required to enhance the individual adherence rate for related disease prevention. [ABSTRACT FROM AUTHOR]

Background: The overall benefits of the newly introduced family‐based Helicobacter pylori (H. pylori) infection control and management (FBCM) and screen‐and‐treat strategies in preventing multiple upper gastrointestinal diseases at national level in China have not been explored. We investigate the cost‐effectiveness of these strategies in the whole Chinese population. Materials and Methods: Decision trees and Markov models of H. pylori infection‐related non‐ulcer dyspepsia (NUD), peptic ulcer disease (PUD), and gastric cancer (GC) were developed to simulate the cost‐effectiveness of these strategies in the whole 494 million households in China. The main outcomes include cost‐effectiveness, life years (LY), quality‐adjusted life year (QALY), and incremental cost‐effectiveness ratio (ICER). Results: When compared with no‐screen strategy, both FBCM and screen‐and‐treat strategies reduced the number of new cases of NUD, PUD, PUD‐related deaths, and the prevalence of GC, and cancer‐related deaths. The costs saved by these two strategies were $1467 million and $879 million, quality‐adjusted life years gained were 227 million and 267 million, and life years gained were 59 million and 69 million, respectively. Cost‐effectiveness analysis showed that FBCM strategy costs −$6.46/QALY and −$24.75/LY, and screen‐and‐treat strategy costs −$3.3/QALY and −$12.71/LY when compared with no‐screen strategy. Compared to the FBCM strategy, the screen‐and‐treat strategy reduced the incidence of H. pylori‐related diseases, added 40 million QALYs, and saved 10 million LYs, but at the increased cost of $588 million. Cost‐effectiveness analysis showed that screen‐and‐treat strategy costs $14.88/QALY and $59.5/LY when compared with FBCM strategy. The robustness of the results was also verified. Conclusions: Both FBCM and screen‐and‐treat strategies are highly cost‐effective in preventing NUD, PUD, and GC than the no‐screen strategy in Chinese families at national level. As FBCM strategy is more practical and efficient, it is expected to play a more important role in preventing familial H. pylori infection and also serves as an excellent reference for other highly infected societies. [ABSTRACT FROM AUTHOR]