Prevalence of oral conditions and feasibility of self-reported oral conditions (SROC) questionnaire for screening voluntary blood donors

Sex: Male = 1; Female = 2
Codes for Self reported oral conditions [“do you have decayed teeth?”, “do you have gum disease?”, “do you have any infection in your mouth?” and “do you have pain in your gums or teeth?”], decayed teeth, decayed teeth with pulpal involvement, periodontitis (pockets, recession, or mobility), pericoronitis, abscess, or purulent discharge)
0 = No; 1 = Yes

性别：男性记为1；女性记为2。
自我报告式口腔健康状况编码体系（对应调研问题包括："您是否患有龋齿？""您是否患有牙龈疾病？""您是否存在口腔感染？"以及"您是否有牙龈或牙齿疼痛？"），涉及病症包括龋齿、累及牙髓的龋齿、牙周炎（含牙周袋形成、牙龈退缩或牙齿松动）、冠周炎、脓肿或脓性分泌物；编码规则为：0代表"否"，1代表"是"