This study was a cross-sectional design that used the STROBE statement checklist. In this study, stratified random sampling was used based on hospital classification and regional distribution in the south-central region of China, which consists of 6 provinces, Henan, Hubei, Hunan, Guangdong, Guangxi, and Hainan. Stratified random sampling is to first divide the overall units into various types (or strata) according to certain criteria, and then to determine the number of sample units from each type according to the ratio of the number of units of each type to the number of units overall, and finally, to draw a sample from each type according to the random principle. Overall units are divided into various types (or strata) according to certain criteria, and then the number of sample units from each type is determined according to the ratio of the number of units of each type to the overall number of units. Finally, samples are drawn randomly from each type. First, the total number of oncology hospitals as of December 1, 2018, was extracted from all hospitals in Central South China; then, the number of tertiary, secondary, and other hospitals in each province was extracted. Second, the ratios of the total number of potentially tested oncology hospitals to the 3 levels of hospitals were calculated separately. Finally, hospitals of each level were randomly selected from each province using the respective ratios. Between January and July 2019, 55 hospitals (30 tertiary hospitals and 25 secondary and lower hospitals) were randomly selected as the sample based on the list of oncology hospitals. All data were obtained from the website of the National Health Commission of the People’s Republic of China (
http://www.nhc.gov.cn/wjw/index.shtml). Tertiary hospitals were defined as specialized medical and preventive technology centers with higher education and research capabilities (at least 500 beds). Secondary hospitals are referred to as regional medical and preventive technology centers (100-499 beds).
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After the pilot hospitals were identified, the project leaders contacted the management of each hospital through the communication platform of the Chinese Nursing Association. Each administration promoted and invited oncology nurses who met the inclusion criteria and agreed to participate. Each recruited subject was sent a link to a questionnaire assessing sociodemographic information, knowledge, attitudes, and practices regarding the provision of sexual healthcare, communication skills, professional values, and self-efficacy. It took 15-30 minutes to complete the questionnaire. In the end, 2530 nurses participated and completed the questionnaire (response rate of 90.4%).
Inclusion criteria were as follows: (1) registered nurses working in a certified oncology department or other department that receives and treats more than 50% of cancer patients throughout the year, (2) more than 6 months of experience caring for cancer patients, and (c) speaking Chinese. Exclusion criteria were as follows: nurses who (1) worked uninterruptedly during the survey period, (2) experienced a major stressful event, or (3) had a serious physical or mental illness.
The study was initiated after approval by the Institutional Review Board (IRB) of Third Xiangya Hospital of Central South University, and written and verbal informed consent was obtained from each participant. The information and answers of each potential participant were evaluated under conditions of complete anonymity and strict confidentiality.