Investigating households’ out-of-pocket healthcare expenditures based on number of chronic conditions in Riyadh, Saudi Arabia: a cross-sectional study using quantile regression approach
Ziyad S Almalki, Abdullah K Alahmari, Ahmed M Alshehri, Abdulaziz Altowaijri, Mohammed Alluhidan, Nehad Ahmed, Abdulhakim S AlAbdulsalam, Khalid H Alsaiari, Meshari A Alrashidi, Abdulrahman G Alghusn, Ali S Alqahtani, Abdulaziz I Alzarea, Mona A Alanazi, Abdulhadi M Alqahtani
BMJ Open Sep 2022, 12 (9) e066145; DOI: 10.1136/bmjopen-2022-066145