| Comparative cross-sectional | Current serving head-of-household men residing at the Lungi military barracks | Females in an intimate relationship with service member (one per household) | N = 130 (Control N = 108) 100% Female | Range not reported Mean 30.4 (10.8) | Women with male intimate partner civilians selected at random from within Wuse Zone 2b. Mean age: 38.0 (10.6). Age range unknown | N/A. Non-response rate: Military 0/130 (0%), Civilian 108/130 (16.9%). |
| Comparative cross-sectional | Serving male military personnel in the city of Ibadan, Oyo, Nigeria | Military member | N = 631 (Control N = 609) 0% Female | Range not reported Mean 35.13 (9.1) | Male civil servants from the Oyo State Secretariat located in Ibadan. Mean age: 38.85 (9.95). Age range unknown | N/A. |