Marriage has been reported as a beneficial factor associated with improved survival among cancer patients, but conflicting results have been observed in cervical adenocarcinoma (AC). Thus, this study is aimed to examine the relationship between the prognosis of cervical AC and marital status. Eligible patients were selected from 2004 to 2015 using the surveillance, epidemiology and end results (SEER) database. Cancer-specific survival (CSS) and overall survival (OS) were compared between married and unmarried groups. A total of 3096 patients had been identified, with married ones accounting for 51.29% (n = 1588). Compared to unmarried groups, more patients in the married group were relatively younger (aged ≤ 45) and belonged to white race, with grade I/II, Federation of International of Gynecologists and Obstetricians (FIGO) stage I/II and tumor size ≤4 cm. Apart from that, more patients received surgery, whereas fewer patients received chemotherapy and radiotherapy (all P < 0.05). The 5-year CSS and OS rates were 80.16% and 78.26% in married patients, 68.58% and 64.62% in the unmarried group (P < .0001). Multivariate analysis showed that marital status was an independent prognostic factor, and the married group performed better CSS (hazard ratio [HR]: 0.770; 95% confidence interval [CI]: 0.663-0.895; P = .001) as well as OS (HR: 0.751; 95%CI: 0.653-0.863; P < .001). As demonstrated by the results of subgroup analysis, married patients had better CSS and OS survival than unmarried ones in nearly all the subgroups. Marital status was identified as an independent prognostic factor for improved survival in patients with cervical AC.
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