a decreasing trendP < .001
Among HBM-related constructs, there was a decreasing trend for the prevalence of barriers, from its highest peak in July 2015 (56.2%) to the lowest prevalence in October 2018 (28.4%; difference, 27.8%; P < .001).
Among HBM-related constructs, there was a decreasing trend for the prevalence of barriers, from its highest peak in July 2015 (56.2%) to the lowest prevalence in October 2018 (28.4%; difference, 27.8%; P < .001).
We also found an increasing trend for the prevalence of severity, with the lowest prevalence in March 2015 (8.8%) and the highest prevalence in October 2018 (31.3%; difference, 22.5%; P < .001).